RHSA-2026:72498
Vulnerability from csaf_redhat - Published: 2026-09-28 13:21 - Updated: 2026-11-13 13:40Summary
Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
Severity
Important
Notes
Topic: An update for Red Hat Hardened Images RPMs is now available.
Details: This update includes the following RPMs:
grafana13.1:
* grafana13.1-13.1.6-0.4.hum1 (aarch64, x86_64)
* grafana13.1-13.1.6-0.4.hum1.src (src)
Security Fix(es):
grafana13.1:
* CVE-2026-93450
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
A flaw was found in OpenFGA, an authorization and permission engine. The ListUsers application programming interface (API) could incorrectly return users who should have been excluded from authorization decisions. This vulnerability arises when complex authorization rules, involving both exclusions and type-bound wildcards, are processed. Consequently, applications relying on ListUsers for access control might inadvertently grant unauthorized access to resources or sensitive information.
5.3 (Medium)
Affected products
Fixed
3 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Hardened Images:grafana13.1-0:13.1.6-0.4.hum1@aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:grafana13.1-0:13.1.6-0.4.hum1@src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:grafana13.1-0:13.1.6-0.4.hum1@x86_64 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Moderate
A flaw was found in the klauspost/compress package. A remote attacker can exploit this vulnerability by supplying a specially crafted compression dictionary with an excessively large repeat value, triggering an integer overflow. When the dictionary is subsequently processed, this overflow leads to out-of-bounds memory access, crashing the application and resulting in a Denial of Service (DoS).
7.5 (High)
Affected products
Fixed
3 products, the same list as for
CVE-2026-61709
Threats
Impact
Important
A flaw was found in the `go-openapi/swag` library's `jsonutils` component. This vulnerability, caused by uncontrolled recursion during ordered JSON (JavaScript Object Notation) parsing and serialization, allows remote unauthenticated attackers to submit deeply nested JSON documents. This can lead to a stack overflow, terminating the process and causing a Denial of Service (DoS) for services that accept OpenAPI specifications.
7.5 (High)
Affected products
Fixed
3 products, the same list as for
CVE-2026-61709
Threats
Impact
Important
A flaw was found in shell-quote. This vulnerability allows an attacker to achieve arbitrary command execution by supplying crafted input containing line break characters after a comment marker. When input is quoted, the comment marker comments out subsequent quotes until a newline is encountered, causing any following text on new lines to be executed as shell commands by the underlying system.
8.1 (High)
Affected products
Fixed
3 products, the same list as for
CVE-2026-61709
Threats
Impact
Important
References
40 references
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"text": "A flaw was found in OpenFGA, an authorization and permission engine. The ListUsers application programming interface (API) could incorrectly return users who should have been excluded from authorization decisions. This vulnerability arises when complex authorization rules, involving both exclusions and type-bound wildcards, are processed. Consequently, applications relying on ListUsers for access control might inadvertently grant unauthorized access to resources or sensitive information.",
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"text": "This flaw is in OpenFGA\u0027s ListUsers API, which could return a user who should have been excluded by a but-not clause when an intersection used a type-bound public wildcard. Red Hat does not ship OpenFGA as a standalone product. The code is bundled in Grafana\u0027s experimental Zanzana authorization engine and Grafana is embedded in Red Hat Ceph Storage dashboards, Red Hat Advanced Cluster Management, Multicluster Global Hub, and the RHEL grafana package. Zanzana is disabled by default in upstream Grafana. Grafana\u0027s own authorization path uses Check and ListObjects, not ListUsers, so the vulnerable API is not the enforcement path in these products.",
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"baseScore": 5.3,
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"title": "github.com/openfga/openfga: OpenFGA: Unauthorized access due to ListUsers API returning deliberately excluded users."
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{
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"ids": [
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"text": "A flaw was found in the klauspost/compress package. A remote attacker can exploit this vulnerability by supplying a specially crafted compression dictionary with an excessively large repeat value, triggering an integer overflow. When the dictionary is subsequently processed, this overflow leads to out-of-bounds memory access, crashing the application and resulting in a Denial of Service (DoS).",
"title": "Vulnerability description"
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"text": "Red Hat has rated this vulnerability as having an impact of Important because an unauthenticated remote attacker could trigger a denial of service by causing a process crash without requiring elevated permissions. In Red Hat environments where this Go library is embedded, exploitation requires that an application accepts untrusted dictionary structures for S2 compression and subsequently attempts encoding. Although the resulting memory access fault terminates the vulnerable process, the flaw is confined to process crashes and does not compromise data confidentiality or integrity.",
"title": "Statement"
},
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"confidentialityImpact": "NONE",
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"privilegesRequired": "NONE",
"scope": "UNCHANGED",
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"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "github.com/klauspost/compress: klauspost/compress: Denial of Service via integer overflow in dictionary processing"
},
{
"cve": "CVE-2026-93450",
"cwe": {
"id": "CWE-770",
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},
"discovery_date": "2026-09-22T21:53:35.587728+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2538979"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in the `go-openapi/swag` library\u0027s `jsonutils` component. This vulnerability, caused by uncontrolled recursion during ordered JSON (JavaScript Object Notation) parsing and serialization, allows remote unauthenticated attackers to submit deeply nested JSON documents. This can lead to a stack overflow, terminating the process and causing a Denial of Service (DoS) for services that accept OpenAPI specifications.",
"title": "Vulnerability description"
},
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"category": "summary",
"text": "github.com/go-openapi/swag: go-openapi/swag: Denial of Service via uncontrolled JSON recursion",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This vulnerability is rated as having Important impact because an unauthenticated remote attacker can trigger an immediate denial of service against vulnerable endpoints without requiring elevated privileges or user interaction. In Red Hat environments, Go-based network services that ingest untrusted structured specifications or API definitions are exposed to abnormal process termination and dropping of concurrent requests. Standalone command-line utilities and offline scanners using the library present minimal operational exposure, as exploitation requires an operator to directly process malicious input files.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"Red Hat Hardened Images:grafana13.1-0:13.1.6-0.4.hum1@aarch64",
"Red Hat Hardened Images:grafana13.1-0:13.1.6-0.4.hum1@src",
"Red Hat Hardened Images:grafana13.1-0:13.1.6-0.4.hum1@x86_64"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-93450"
},
{
"category": "external",
"summary": "RHBZ#2538979",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2538979"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-93450",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-93450"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-93450",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-93450"
},
{
"category": "external",
"summary": "https://github.com/go-openapi/swag",
"url": "https://github.com/go-openapi/swag"
},
{
"category": "external",
"summary": "https://github.com/go-openapi/swag/blob/v0.27.0/jsonutils/adapters/stdlib/json/adapter.go#L68",
"url": "https://github.com/go-openapi/swag/blob/v0.27.0/jsonutils/adapters/stdlib/json/adapter.go#L68"
},
{
"category": "external",
"summary": "https://github.com/go-openapi/swag/blob/v0.27.0/jsonutils/adapters/stdlib/json/ordered_map.go#L214",
"url": "https://github.com/go-openapi/swag/blob/v0.27.0/jsonutils/adapters/stdlib/json/ordered_map.go#L214"
},
{
"category": "external",
"summary": "https://github.com/go-openapi/swag/commit/0c24346ced59a25811e8694a915e7131d25ccb0e",
"url": "https://github.com/go-openapi/swag/commit/0c24346ced59a25811e8694a915e7131d25ccb0e"
},
{
"category": "external",
"summary": "https://github.com/go-openapi/swag/security/advisories/GHSA-xh24-9qpg-8w28",
"url": "https://github.com/go-openapi/swag/security/advisories/GHSA-xh24-9qpg-8w28"
},
{
"category": "external",
"summary": "https://www.vulncheck.com/advisories/go-openapi-swag-jsonutils-before-0.27.1-uncontrolled-recursion-in-ordered-json-marshal-and-unmarshal",
"url": "https://www.vulncheck.com/advisories/go-openapi-swag-jsonutils-before-0.27.1-uncontrolled-recursion-in-ordered-json-marshal-and-unmarshal"
}
],
"release_date": "2026-09-17T23:25:10.883000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-09-28T13:21:44+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
"product_ids": [
"Red Hat Hardened Images:grafana13.1-0:13.1.6-0.4.hum1@aarch64",
"Red Hat Hardened Images:grafana13.1-0:13.1.6-0.4.hum1@src",
"Red Hat Hardened Images:grafana13.1-0:13.1.6-0.4.hum1@x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:72498"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"products": [
"Red Hat Hardened Images:grafana13.1-0:13.1.6-0.4.hum1@aarch64",
"Red Hat Hardened Images:grafana13.1-0:13.1.6-0.4.hum1@src",
"Red Hat Hardened Images:grafana13.1-0:13.1.6-0.4.hum1@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "github.com/go-openapi/swag: go-openapi/swag: Denial of Service via uncontrolled JSON recursion"
},
{
"cve": "CVE-2026-102422",
"cwe": {
"id": "CWE-78",
"name": "Improper Neutralization of Special Elements used in an OS Command"
},
"discovery_date": "2026-09-29T04:01:43.300404+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2542933"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in shell-quote. This vulnerability allows an attacker to achieve arbitrary command execution by supplying crafted input containing line break characters after a comment marker. When input is quoted, the comment marker comments out subsequent quotes until a newline is encountered, causing any following text on new lines to be executed as shell commands by the underlying system.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "shell-quote: shell-quote: Arbitrary command execution via improper line terminator handling",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue is rated Important. Exploitation leads to arbitrary command execution with the privileges of the calling application, but only when that application passes the output of shell-quote\u0027s parse(), combined with another attacker-controlled string, to quote() and then runs the result through a shell. Red Hat products ship shell-quote as a bundled npm dependency across several offerings, including RHEL (grafana, grafana-pcp, pcs), Red Hat Ansible Automation Platform, Red Hat OpenShift AI and middleware distributions. Whether a given product is exposed depends on whether its own code reaches quote() with attacker-influenced input.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"Red Hat Hardened Images:grafana13.1-0:13.1.6-0.4.hum1@aarch64",
"Red Hat Hardened Images:grafana13.1-0:13.1.6-0.4.hum1@src",
"Red Hat Hardened Images:grafana13.1-0:13.1.6-0.4.hum1@x86_64"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-102422"
},
{
"category": "external",
"summary": "RHBZ#2542933",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2542933"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-102422",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-102422"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-102422",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-102422"
},
{
"category": "external",
"summary": "https://github.com/ljharb/shell-quote",
"url": "https://github.com/ljharb/shell-quote"
},
{
"category": "external",
"summary": "https://github.com/ljharb/shell-quote/commit/6002b2ed90c6b83095eb272b6b0adaf3a172b0bc",
"url": "https://github.com/ljharb/shell-quote/commit/6002b2ed90c6b83095eb272b6b0adaf3a172b0bc"
},
{
"category": "external",
"summary": "https://github.com/ljharb/shell-quote/security/advisories/GHSA-pqg4-j6r4-53mv",
"url": "https://github.com/ljharb/shell-quote/security/advisories/GHSA-pqg4-j6r4-53mv"
},
{
"category": "external",
"summary": "https://www.npmjs.com/package/shell-quote",
"url": "https://www.npmjs.com/package/shell-quote"
}
],
"release_date": "2026-09-29T03:47:36.376000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-09-28T13:21:44+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
"product_ids": [
"Red Hat Hardened Images:grafana13.1-0:13.1.6-0.4.hum1@aarch64",
"Red Hat Hardened Images:grafana13.1-0:13.1.6-0.4.hum1@src",
"Red Hat Hardened Images:grafana13.1-0:13.1.6-0.4.hum1@x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:72498"
},
{
"category": "workaround",
"details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.",
"product_ids": [
"Red Hat Hardened Images:grafana13.1-0:13.1.6-0.4.hum1@aarch64",
"Red Hat Hardened Images:grafana13.1-0:13.1.6-0.4.hum1@src",
"Red Hat Hardened Images:grafana13.1-0:13.1.6-0.4.hum1@x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
"Red Hat Hardened Images:grafana13.1-0:13.1.6-0.4.hum1@aarch64",
"Red Hat Hardened Images:grafana13.1-0:13.1.6-0.4.hum1@src",
"Red Hat Hardened Images:grafana13.1-0:13.1.6-0.4.hum1@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "shell-quote: shell-quote: Arbitrary command execution via improper line terminator handling"
}
]
}
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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
How durations are calculated
Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.
Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.