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    80 vulnerabilities by lxc

    CVE-2026-63343 (GCVE-0-2026-63343)

    Vulnerability from nvd – Published: 2026-08-21 14:53 – Updated: 2026-08-21 21:44
    VLAI
    Title
    Arbitrary File Read/Write: metadata.yaml symlink in image allows host filesystem access as root
    Summary
    Incus is a system container and virtual machine manager. Prior to version 7.3.0, a malicious image containing a `metadata.yaml` symlink pointing to an arbitrary host path allows an authenticated Incus user to read or overwrite any file on the host as root via the instance metadata API. The `exec-output` and `templates/` paths were patched in a prior release using `Lstat` rejection and `os.OpenRoot` confinement; `metadata.yaml` was not included in either patch and remains exploitable. Version 7.3.0 patches the issue.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-21 21:00 UTC
    CWE
    • CWE-73 - External Control of File Name or Path
    References
    Impacted products
    Vendor Product Version
    lxc incus Affected: < 7.3.0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-63125 (GCVE-0-2026-63125)

    Vulnerability from nvd – Published: 2026-08-21 14:49 – Updated: 2026-08-21 15:02
    VLAI
    Title
    Incus vulnerable to root RCE via image backup.yaml symlink
    Summary
    Incus is a system container and virtual machine manager. Prior to version 7.3.0, an unprivileged, project-confined Incus user (a non-admin TLS/RBAC identity with `can_create_images` and `can_create_instances`) can execute arbitrary code as root on the host. A crafted image ships `backup.yaml` as a symlink to a host file. When the root daemon writes the instance's backup file, it follows the symlink. Version 7.3.0 patches the issue.
    SSVC
    Exploitation: poc Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-21 15:02 UTC
    CWE
    • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
    • CWE-61 - UNIX Symbolic Link (Symlink) Following
    References
    Impacted products
    Vendor Product Version
    lxc incus Affected: < 7.3.0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-62941 (GCVE-0-2026-62941)

    Vulnerability from nvd – Published: 2026-08-21 14:47 – Updated: 2026-08-21 16:44
    VLAI
    Title
    Incus: Cross-project instance copy bypasses target project restrictions via TOCTOU in config merge
    Summary
    Incus is a system container and virtual machine manager. Prior to version 7.3.0, when copying an instance across projects, the project restriction check (`AllowInstanceCreation`) runs BEFORE the source instance's configuration is merged into the request. Dangerous configuration keys (including `security.privileged`, `raw.lxc`, `raw.apparmor`) from the source instance are merged AFTER the check passes, bypassing all project restrictions on the target project. Version 7.3.0 patches the issue.
    SSVC
    Exploitation: poc Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-21 16:42 UTC
    CWE
    • CWE-863 - Incorrect Authorization
    References
    Impacted products
    Vendor Product Version
    lxc incus Affected: < 7.3.0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-62940 (GCVE-0-2026-62940)

    Vulnerability from nvd – Published: 2026-08-21 14:47 – Updated: 2026-08-21 15:13
    VLAI
    Title
    Incus has a project restriction bypass via instance migration config override
    Summary
    Incus is a system container and virtual machine manager. Prior to version 7.3.0, when migrating an instance to another cluster member, user-supplied configuration overrides (including security-critical keys like `security.privileged` and `raw.lxc`) are applied without any project restriction enforcement, allowing a restricted project user to escalate to a privileged container and escape to the host. Version 7.3.0 patches the issue.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-21 15:13 UTC
    CWE
    References
    Impacted products
    Vendor Product Version
    lxc incus Affected: < 7.3.0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-62867 (GCVE-0-2026-62867)

    Vulnerability from nvd – Published: 2026-08-21 14:45 – Updated: 2026-08-21 21:44
    VLAI
    Title
    Incus has an argument injection in storage volume block.create_options that leads to arbitrary command execution
    Summary
    Incus is a system container and virtual machine manager. Prior to version 7.3.0, improper validation of user-provided `block.create_options` in storage volume configuration leads to argument injection in the constructed filesystem creation command line. This allows a project-scoped user to inject arbitrary arguments into the binary executed as root. Version 7.3.0 patches the issue.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-21 21:00 UTC
    CWE
    • CWE-88 - Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
    References
    Impacted products
    Vendor Product Version
    lxc incus Affected: < 7.3.0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-62313 (GCVE-0-2026-62313)

    Vulnerability from nvd – Published: 2026-08-21 14:44 – Updated: 2026-08-26 17:27
    VLAI
    Title
    Incus: Project restriction `restricted.containers.privilege=isolated` bypassable by omitting `security.idmap.isolated`
    Summary
    Incus is a system container and virtual machine manager. Prior to version 7.3.0, project-level enforcement of `restricted.containers.privilege=isolated` can be trivially bypassed, allowing a user to create a non-isolated (shared host idmap) container in a project that is configured to forbid them. The restriction only rejects an explicitly set `security.idmap.isolated=false` (or empty) and fails to enforce anything when the key is omitted entirely. Because an unset `security.idmap.isolated` defaults to `false` (non-isolation), a user simply leaves the key out and obtains exactly the container state the restriction is meant to forbid. This defeats the tenant-isolation guarantee the restriction exists to provide. Containers in the project share the host uid/gid map instead of receiving unique, non-overlapping ranges, weakening the isolation boundary between co-tenant containers and the host. Version 7.3.0 patches the issue.
    SSVC
    Exploitation: poc Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-26 17:26 UTC
    CWE
    • CWE-863 - Incorrect Authorization
    References
    Impacted products
    Vendor Product Version
    lxc incus Affected: < 7.3.0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-55622 (GCVE-0-2026-55622)

    Vulnerability from nvd – Published: 2026-08-21 14:40 – Updated: 2026-08-21 15:35
    VLAI
    Title
    Incus has a project restriction bypass in instance copy across projects
    Summary
    Incus is a system container and virtual machine manager. Prior to version 7.2.0, missing authorization checks exist for instance copying where an attacker knowing the name of a project that they don't have access to and the name of an instance in that project can copy the instance to a new project. This issue could allow an attacker to access secrets in instances they are not authorized to access. Version 7.2.0 patches the issue.
    SSVC
    Exploitation: poc Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-21 15:35 UTC
    CWE
    • CWE-284 - Improper Access Control
    References
    Impacted products
    Vendor Product Version
    lxc incus Affected: < 7.2.0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-55621 (GCVE-0-2026-55621)

    Vulnerability from nvd – Published: 2026-08-21 14:39 – Updated: 2026-08-21 16:41
    VLAI
    Title
    Incus has a project restriction bypass for custom volume copy across projects
    Summary
    Incus is a system container and virtual machine manager. Prior to version 7.2.0, missing authorization checks exist for custom volume copying where an attacker knowing the name of a project that they don't have access to and the name of a custom volume in that project can copy the custom volume to a new project. This issue could allow an attacker to access secrets in custom volumes they are not authorized to access. Version 7.2.0 patches the issue.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-21 16:41 UTC
    CWE
    • CWE-284 - Improper Access Control
    References
    Impacted products
    Vendor Product Version
    lxc incus Affected: < 7.2.0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-48769 (GCVE-0-2026-48769)

    Vulnerability from nvd – Published: 2026-08-21 14:38 – Updated: 2026-08-21 15:16
    VLAI
    Title
    Incus has an arbitrary file write on its client due to trusted image hash
    Summary
    Incus is a system container and virtual machine manager. Prior to version 7.2.0, an arbitrary file write exists in the Incus client when a malicious image server returns a crafted `Incus-Image-Hash` header. This can lead to arbitrary command execution as root on the server. Version 7.2.0 patches the issue.
    SSVC
    Exploitation: poc Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-21 15:16 UTC
    CWE
    • CWE-20 - Improper Input Validation
    References
    Impacted products
    Vendor Product Version
    lxc incus Affected: < 7.2.0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-48756 (GCVE-0-2026-48756)

    Vulnerability from nvd – Published: 2026-08-21 14:10 – Updated: 2026-08-21 21:44
    VLAI
    Title
    Incus: CreateCustomVolumeFromBackup nil-pointer dereference on volume_snapshots[*].expires_at (sibling-field variant of GHSA-r7w7)
    Summary
    Incus is a system container and virtual machine manager. Prior to version 7.1.0, `(*backend).CreateCustomVolumeFromBackup` in `internal/server/storage/backend.go` contains an unguarded `*time.Time` dereference on the `ExpiresAt` field of every volume-snapshot entry in an imported custom-volume backup. An authenticated user with `can_create_storage_volumes` permission on any project can crash the `incusd` daemon by uploading a backup tarball whose `volume_snapshots[*].expires_at` field is absent. This is a sibling-field variant of GHSA-r7w7-mmxr-47r9 (CVE-2026-40197). Commit `985a1dedf9f3e7ba729c93b654905ed510de25c2` added `if s == nil` at the top of the loop body, but did not guard the adjacent `*snapshot.ExpiresAt` deref 19 lines later. Every other consumer of `Config.VolumeSnapshots[i].ExpiresAt` in this same file already gates the deref with a nil-check — the asymmetric guard is the bug. Version 7.1.0 contains an updated patch.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-21 20:58 UTC
    CWE
    • CWE-476 - NULL Pointer Dereference
    References
    Impacted products
    Vendor Product Version
    lxc incus Affected: < 7.1.0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-48755 (GCVE-0-2026-48755)

    Vulnerability from nvd – Published: 2026-08-21 14:37 – Updated: 2026-08-21 21:44
    VLAI
    Title
    Incus has an argument injection in backup compression algorithm leading to AFW and ACE
    Summary
    Incus is a system container and virtual machine manager. Prior to version 7.1.0, improper validation of user-provided backup compression algorithm leads to argument injection in the constructed command line. This leads to an arbitrary file write on the host, possibly leading to arbitrary command execution. Version 7.1.0 patches the issue.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-21 21:00 UTC
    CWE
    • CWE-20 - Improper Input Validation
    References
    Impacted products
    Vendor Product Version
    lxc incus Affected: < 7.2.0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-48754 (GCVE-0-2026-48754)

    Vulnerability from nvd – Published: 2026-08-21 14:36 – Updated: 2026-08-26 17:26
    VLAI
    Title
    Incus: Nil-pointer dereference in createDependentVolumesFromBackup on disk.{Volume,VolumeSnapshots,Pool}
    Summary
    Incus is a system container and virtual machine manager. Prior to version 7.1.0, `(*backend).createDependentVolumesFromBackup` in `internal/server/storage/backend.go` contains a cluster of unguarded pointer derefs on every dependent-volume entry's `VolumeSnapshots[i]`, `Volume`, and `Pool` sub-fields. An authenticated user with `can_create_instances` permission on any project can crash the `incusd` daemon by uploading an instance backup tarball whose `dependent_volumes[*]` block contains a nil snapshot pointer (or omits `volume:` / `pool:`). This is a sibling-field variant of the 2026-05-04 batch fix `d768f81c0a1d985f35ae56219519822b080bf5e3` ("Properly check dependent volumes on import"). That commit added `if disk == nil` at the top of the outer loop, but did not guard the four sub-pointer fields the loop body dereferences naked. Version 7.1.0 contains an updated patch.
    SSVC
    Exploitation: poc Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-26 17:25 UTC
    CWE
    • CWE-476 - NULL Pointer Dereference
    References
    Impacted products
    Vendor Product Version
    lxc incus Affected: < 7.1.0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-48753 (GCVE-0-2026-48753)

    Vulnerability from nvd – Published: 2026-08-21 14:34 – Updated: 2026-08-21 15:36
    VLAI
    Title
    Incus has an arbitrary file write via path traversal in S3 multipart upload
    Summary
    Incus is a system container and virtual machine manager. Prior to version 7.1.0, the S3 protocol upload endpoint is vulnerable to path traversal and allows creation of arbitrary files on the host. This behavior could lead to arbitrary command execution. Version 7.1.0 fixes the issue.
    SSVC
    Exploitation: poc Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-21 15:36 UTC
    CWE
    • CWE-73 - External Control of File Name or Path
    References
    Impacted products
    Vendor Product Version
    lxc incus Affected: < 7.1.0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-48752 (GCVE-0-2026-48752)

    Vulnerability from nvd – Published: 2026-08-21 14:31 – Updated: 2026-08-21 16:40
    VLAI
    Title
    Incus has arbitrary file read+write on host via templates/ symlink in malicious image
    Summary
    Incus is a system container and virtual machine manager. Prior to version 7.2.0, a specially crafted image or instance backup can be used to read or create/write arbitrary files on the host; possibly leading to arbitrary command execution. Version 7.2.0 patches the issue.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-21 16:37 UTC
    CWE
    • CWE-73 - External Control of File Name or Path
    References
    Impacted products
    Vendor Product Version
    lxc incus Affected: < 7.2.0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-48751 (GCVE-0-2026-48751)

    Vulnerability from nvd – Published: 2026-08-21 14:21 – Updated: 2026-08-21 15:15
    VLAI
    Title
    Incus has a restricted project bypass leading to arbitrary command execution
    Summary
    Incus is a system container and virtual machine manager. Prior to version 7.2.0, instance snapshots ignore the `restricted.containers.lowlevel=block` setting; allowing for arbitrary command execution on the Incus server by abusing lowlevel hooks such as `raw.lxc` and `raw.qemu`. Version 7.2.0 patches the issue.
    SSVC
    Exploitation: poc Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-21 15:15 UTC
    CWE
    References
    Impacted products
    Vendor Product Version
    lxc incus Affected: < 7.2.0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-48750 (GCVE-0-2026-48750)

    Vulnerability from nvd – Published: 2026-08-21 14:19 – Updated: 2026-08-26 17:24
    VLAI
    Title
    Incus has an arbitrary file write on host via `exec-output` symlink in crafted image
    Summary
    Incus is a system container and virtual machine manager. Prior to version 7.2.0, the `record-output` parameter of the `/instances/$name/exec` endpoint stores the output of the command in the `exec-output` directory of the instance. If `exec-output` is a symlink, file named `exec_UUID.stdout` and `exec_UUID.stderr` can be written to an arbitrary location where the `.stdout` file will contain arbitrary content. This behavior can be abused for arbitrary command execution. Version 7.2.0 contains a patch.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-26 17:24 UTC
    CWE
    • CWE-73 - External Control of File Name or Path
    References
    Impacted products
    Vendor Product Version
    lxc incus Affected: < 7.2.0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-48749 (GCVE-0-2026-48749)

    Vulnerability from nvd – Published: 2026-08-21 14:17 – Updated: 2026-08-21 15:37
    VLAI
    Title
    Incus has an arbitrary file read+write on host via rootfs/ symlink in malicious image
    Summary
    Incus is a system container and virtual machine manager. Prior to version 7.2.0, a specially crafted image can be used to read or create/write arbitrary files on the host; possibly leading to arbitrary command execution. Version 7.2.0 fixes the issue.
    SSVC
    Exploitation: poc Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-21 15:37 UTC
    CWE
    • CWE-73 - External Control of File Name or Path
    References
    Impacted products
    Vendor Product Version
    lxc incus Affected: < 7.2.0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-47753 (GCVE-0-2026-47753)

    Vulnerability from nvd – Published: 2026-08-21 14:14 – Updated: 2026-08-21 14:39
    VLAI
    Title
    Incus has a Nil-Pointer Dereference Panic via Instance Backup Import (volume omitted)
    Summary
    Incus is a system container and virtual machine manager. Prior to version 7.1.0, `(*backend).CreateInstanceFromBackup` in `internal/server/storage/backend.go` contains a nil-pointer dereference that an authenticated user with permission to create instances in any project can trigger remotely by uploading a crafted backup tarball. The Incus daemon panics and the process crashes, causing denial of service to every project on that cluster member. This is a sibling of `GHSA-fwj8-62r8-8p8m`, `GHSA-r7w7-mmxr-47r9`, and `GHSA-x5r6-jr56-89pv` (all assigned 2026-05-04). Those patches added guards on adjacent fields of the same `backup/config.Config` struct; the `Volume` field on the instance-import path was missed. Version 7.1.0 contains an updated patch.
    SSVC
    Exploitation: poc Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-21 14:37 UTC
    CWE
    • CWE-476 - NULL Pointer Dereference
    References
    Impacted products
    Vendor Product Version
    lxc incus Affected: < 7.1.0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-63343 (GCVE-0-2026-63343)

    Vulnerability from cvelistv5 – Published: 2026-08-21 14:53 – Updated: 2026-08-21 21:44
    VLAI
    Title
    Arbitrary File Read/Write: metadata.yaml symlink in image allows host filesystem access as root
    Summary
    Incus is a system container and virtual machine manager. Prior to version 7.3.0, a malicious image containing a `metadata.yaml` symlink pointing to an arbitrary host path allows an authenticated Incus user to read or overwrite any file on the host as root via the instance metadata API. The `exec-output` and `templates/` paths were patched in a prior release using `Lstat` rejection and `os.OpenRoot` confinement; `metadata.yaml` was not included in either patch and remains exploitable. Version 7.3.0 patches the issue.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-21 21:00 UTC
    CWE
    • CWE-73 - External Control of File Name or Path
    References
    Impacted products
    Vendor Product Version
    lxc incus Affected: < 7.3.0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-63125 (GCVE-0-2026-63125)

    Vulnerability from cvelistv5 – Published: 2026-08-21 14:49 – Updated: 2026-08-21 15:02
    VLAI
    Title
    Incus vulnerable to root RCE via image backup.yaml symlink
    Summary
    Incus is a system container and virtual machine manager. Prior to version 7.3.0, an unprivileged, project-confined Incus user (a non-admin TLS/RBAC identity with `can_create_images` and `can_create_instances`) can execute arbitrary code as root on the host. A crafted image ships `backup.yaml` as a symlink to a host file. When the root daemon writes the instance's backup file, it follows the symlink. Version 7.3.0 patches the issue.
    SSVC
    Exploitation: poc Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-21 15:02 UTC
    CWE
    • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
    • CWE-61 - UNIX Symbolic Link (Symlink) Following
    References
    Impacted products
    Vendor Product Version
    lxc incus Affected: < 7.3.0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-62941 (GCVE-0-2026-62941)

    Vulnerability from cvelistv5 – Published: 2026-08-21 14:47 – Updated: 2026-08-21 16:44
    VLAI
    Title
    Incus: Cross-project instance copy bypasses target project restrictions via TOCTOU in config merge
    Summary
    Incus is a system container and virtual machine manager. Prior to version 7.3.0, when copying an instance across projects, the project restriction check (`AllowInstanceCreation`) runs BEFORE the source instance's configuration is merged into the request. Dangerous configuration keys (including `security.privileged`, `raw.lxc`, `raw.apparmor`) from the source instance are merged AFTER the check passes, bypassing all project restrictions on the target project. Version 7.3.0 patches the issue.
    SSVC
    Exploitation: poc Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-21 16:42 UTC
    CWE
    • CWE-863 - Incorrect Authorization
    References
    Impacted products
    Vendor Product Version
    lxc incus Affected: < 7.3.0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-62940 (GCVE-0-2026-62940)

    Vulnerability from cvelistv5 – Published: 2026-08-21 14:47 – Updated: 2026-08-21 15:13
    VLAI
    Title
    Incus has a project restriction bypass via instance migration config override
    Summary
    Incus is a system container and virtual machine manager. Prior to version 7.3.0, when migrating an instance to another cluster member, user-supplied configuration overrides (including security-critical keys like `security.privileged` and `raw.lxc`) are applied without any project restriction enforcement, allowing a restricted project user to escalate to a privileged container and escape to the host. Version 7.3.0 patches the issue.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-21 15:13 UTC
    CWE
    References
    Impacted products
    Vendor Product Version
    lxc incus Affected: < 7.3.0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-62867 (GCVE-0-2026-62867)

    Vulnerability from cvelistv5 – Published: 2026-08-21 14:45 – Updated: 2026-08-21 21:44
    VLAI
    Title
    Incus has an argument injection in storage volume block.create_options that leads to arbitrary command execution
    Summary
    Incus is a system container and virtual machine manager. Prior to version 7.3.0, improper validation of user-provided `block.create_options` in storage volume configuration leads to argument injection in the constructed filesystem creation command line. This allows a project-scoped user to inject arbitrary arguments into the binary executed as root. Version 7.3.0 patches the issue.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-21 21:00 UTC
    CWE
    • CWE-88 - Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
    References
    Impacted products
    Vendor Product Version
    lxc incus Affected: < 7.3.0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-62313 (GCVE-0-2026-62313)

    Vulnerability from cvelistv5 – Published: 2026-08-21 14:44 – Updated: 2026-08-26 17:27
    VLAI
    Title
    Incus: Project restriction `restricted.containers.privilege=isolated` bypassable by omitting `security.idmap.isolated`
    Summary
    Incus is a system container and virtual machine manager. Prior to version 7.3.0, project-level enforcement of `restricted.containers.privilege=isolated` can be trivially bypassed, allowing a user to create a non-isolated (shared host idmap) container in a project that is configured to forbid them. The restriction only rejects an explicitly set `security.idmap.isolated=false` (or empty) and fails to enforce anything when the key is omitted entirely. Because an unset `security.idmap.isolated` defaults to `false` (non-isolation), a user simply leaves the key out and obtains exactly the container state the restriction is meant to forbid. This defeats the tenant-isolation guarantee the restriction exists to provide. Containers in the project share the host uid/gid map instead of receiving unique, non-overlapping ranges, weakening the isolation boundary between co-tenant containers and the host. Version 7.3.0 patches the issue.
    SSVC
    Exploitation: poc Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-26 17:26 UTC
    CWE
    • CWE-863 - Incorrect Authorization
    References
    Impacted products
    Vendor Product Version
    lxc incus Affected: < 7.3.0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-55622 (GCVE-0-2026-55622)

    Vulnerability from cvelistv5 – Published: 2026-08-21 14:40 – Updated: 2026-08-21 15:35
    VLAI
    Title
    Incus has a project restriction bypass in instance copy across projects
    Summary
    Incus is a system container and virtual machine manager. Prior to version 7.2.0, missing authorization checks exist for instance copying where an attacker knowing the name of a project that they don't have access to and the name of an instance in that project can copy the instance to a new project. This issue could allow an attacker to access secrets in instances they are not authorized to access. Version 7.2.0 patches the issue.
    SSVC
    Exploitation: poc Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-21 15:35 UTC
    CWE
    • CWE-284 - Improper Access Control
    References
    Impacted products
    Vendor Product Version
    lxc incus Affected: < 7.2.0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-55621 (GCVE-0-2026-55621)

    Vulnerability from cvelistv5 – Published: 2026-08-21 14:39 – Updated: 2026-08-21 16:41
    VLAI
    Title
    Incus has a project restriction bypass for custom volume copy across projects
    Summary
    Incus is a system container and virtual machine manager. Prior to version 7.2.0, missing authorization checks exist for custom volume copying where an attacker knowing the name of a project that they don't have access to and the name of a custom volume in that project can copy the custom volume to a new project. This issue could allow an attacker to access secrets in custom volumes they are not authorized to access. Version 7.2.0 patches the issue.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-21 16:41 UTC
    CWE
    • CWE-284 - Improper Access Control
    References
    Impacted products
    Vendor Product Version
    lxc incus Affected: < 7.2.0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-48769 (GCVE-0-2026-48769)

    Vulnerability from cvelistv5 – Published: 2026-08-21 14:38 – Updated: 2026-08-21 15:16
    VLAI
    Title
    Incus has an arbitrary file write on its client due to trusted image hash
    Summary
    Incus is a system container and virtual machine manager. Prior to version 7.2.0, an arbitrary file write exists in the Incus client when a malicious image server returns a crafted `Incus-Image-Hash` header. This can lead to arbitrary command execution as root on the server. Version 7.2.0 patches the issue.
    SSVC
    Exploitation: poc Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-21 15:16 UTC
    CWE
    • CWE-20 - Improper Input Validation
    References
    Impacted products
    Vendor Product Version
    lxc incus Affected: < 7.2.0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-48755 (GCVE-0-2026-48755)

    Vulnerability from cvelistv5 – Published: 2026-08-21 14:37 – Updated: 2026-08-21 21:44
    VLAI
    Title
    Incus has an argument injection in backup compression algorithm leading to AFW and ACE
    Summary
    Incus is a system container and virtual machine manager. Prior to version 7.1.0, improper validation of user-provided backup compression algorithm leads to argument injection in the constructed command line. This leads to an arbitrary file write on the host, possibly leading to arbitrary command execution. Version 7.1.0 patches the issue.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-21 21:00 UTC
    CWE
    • CWE-20 - Improper Input Validation
    References
    Impacted products
    Vendor Product Version
    lxc incus Affected: < 7.2.0
    Create a notification for this product.
    Show details on NVD website

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          "source": {
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    CVE-2026-48754 (GCVE-0-2026-48754)

    Vulnerability from cvelistv5 – Published: 2026-08-21 14:36 – Updated: 2026-08-26 17:26
    VLAI
    Title
    Incus: Nil-pointer dereference in createDependentVolumesFromBackup on disk.{Volume,VolumeSnapshots,Pool}
    Summary
    Incus is a system container and virtual machine manager. Prior to version 7.1.0, `(*backend).createDependentVolumesFromBackup` in `internal/server/storage/backend.go` contains a cluster of unguarded pointer derefs on every dependent-volume entry's `VolumeSnapshots[i]`, `Volume`, and `Pool` sub-fields. An authenticated user with `can_create_instances` permission on any project can crash the `incusd` daemon by uploading an instance backup tarball whose `dependent_volumes[*]` block contains a nil snapshot pointer (or omits `volume:` / `pool:`). This is a sibling-field variant of the 2026-05-04 batch fix `d768f81c0a1d985f35ae56219519822b080bf5e3` ("Properly check dependent volumes on import"). That commit added `if disk == nil` at the top of the outer loop, but did not guard the four sub-pointer fields the loop body dereferences naked. Version 7.1.0 contains an updated patch.
    SSVC
    Exploitation: poc Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-26 17:25 UTC
    CWE
    • CWE-476 - NULL Pointer Dereference
    References
    Impacted products
    Vendor Product Version
    lxc incus Affected: < 7.1.0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-48753 (GCVE-0-2026-48753)

    Vulnerability from cvelistv5 – Published: 2026-08-21 14:34 – Updated: 2026-08-21 15:36
    VLAI
    Title
    Incus has an arbitrary file write via path traversal in S3 multipart upload
    Summary
    Incus is a system container and virtual machine manager. Prior to version 7.1.0, the S3 protocol upload endpoint is vulnerable to path traversal and allows creation of arbitrary files on the host. This behavior could lead to arbitrary command execution. Version 7.1.0 fixes the issue.
    SSVC
    Exploitation: poc Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-21 15:36 UTC
    CWE
    • CWE-73 - External Control of File Name or Path
    References
    Impacted products
    Vendor Product Version
    lxc incus Affected: < 7.1.0
    Create a notification for this product.
    Show details on NVD website

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