Common Weakness Enumeration

CWE-273

Allowed

Improper Check for Dropped Privileges

Abstraction: Base · Status: Incomplete

The product attempts to drop privileges but does not check or incorrectly checks to see if the drop succeeded.

61 vulnerabilities reference this CWE, most recent first.

CVE-2026-61897 (GCVE-0-2026-61897)

Vulnerability from cvelistv5 – Published: 2026-08-20 14:32 – Updated: 2026-08-20 14:32
VLAI
Title
accountsservice: incomplete privilege drop when running Ubuntu-specific language helper scripts
Summary
An Ubuntu-specific patch to AccountsService before 23.13.9-8ubuntu7 only partially drops privileges before launching language helper scripts. It changes the effective UID/GID to the target user but leaves the real UID as 0 (root). A shell spawned by a helper script inherits ruid=0 and may reset its effective UID to root, enabling local privilege escalation.
CWE
  • CWE-273 - Improper Check for Dropped Privileges
References
Impacted products
Vendor Product Version
Canonical accountsservice Affected: 22.07.5-2ubuntu1 , < 22.07.5-2ubuntu1.6 (dpkg)
Affected: 23.13.9-2ubuntu6 , < 23.13.9-2ubuntu6.1 (dpkg)
Affected: 23.13.9-8ubuntu5 , < 23.13.9-8ubuntu5.2 (dpkg)
Affected: 23.13.9-8ubuntu6 , < 23.13.9-8ubuntu7 (dpkg)
Create a notification for this product.
Show details on NVD website

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CVE-2026-60085 (GCVE-0-2026-60085)

Vulnerability from cvelistv5 – Published: 2026-07-15 11:25 – Updated: 2026-07-15 12:40
VLAI
Title
PraisonAI before 4.6.78 Unenforced Security Policy in Subprocess Sandbox
Summary
PraisonAI before 4.6.78 contains an unenforced security policy vulnerability in the default Subprocess Sandbox backend where blocked_commands, blocked_paths, blocked_imports, allow_subprocess, and allow_file_write restrictions are completely ignored. Attackers can execute arbitrary subprocess commands, read sensitive files, and perform destructive operations despite explicit security policy configuration.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-15 12:40 UTC
CWE
  • CWE-273 - Improper Check for Dropped Privileges
References
Impacted products
Vendor Product Version
MervinPraison PraisonAI Affected: 0 , < 4.6.78 (semver)
Unaffected: 4.6.78 (semver)
    cpe:2.3:a:praison:praisonai:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-06-25 00:00
Credits
Show details on NVD website

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CVE-2026-58086 (GCVE-0-2026-58086)

Vulnerability from cvelistv5 – Published: 2026-08-19 07:42 – Updated: 2026-08-19 07:42
VLAI
Title
ktrace(2) privilege incorrectly validated in jails
Summary
As an inadvertent side effect of an unrelated code change, PRIV_KTRACE was always denied to a jailed root user. Tracing configured by a jailed root user was therefore not flagged as privileged. An unprivileged user in a jail that has permission to debug the target process can modify the jailed root user's ktrace(2) flags, or disable tracing outright. A jailed root user therefore cannot reliably trace unprivileged processes.
Severity
No CVSS data available.
CWE
  • CWE-273 - Improper Check for Dropped Privileges
References
Impacted products
Vendor Product Version
FreeBSD FreeBSD Affected: 15.1-RELEASE , < p2 (release)
Affected: 15.0-RELEASE , < p12 (release)
Create a notification for this product.
Date Public
2026-07-29 22:40
Show details on NVD website

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CVE-2026-54552 (GCVE-0-2026-54552)

Vulnerability from cvelistv5 – Published: 2026-08-18 17:37 – Updated: 2026-08-18 18:44
VLAI
Title
sh _uid does not drop supplementary groups (incomplete privilege drop)
Summary
sh provides Python process launching. Prior to 2.2.4, the _uid option in sh.py performs an incomplete privilege drop on Linux and Unix-like systems. When sh runs from an elevated process and launches a command with _uid set to an unprivileged user, the child changes its UID but can retain the parent process's supplementary groups because the privilege-drop sequence does not fully establish the target user's UID, primary GID, and supplementary groups. The child can therefore retain access to files or resources granted to privileged groups such as root, docker, disk, shadow, or sudo, violating the expected _uid privilege boundary. This issue is fixed in version 2.2.4.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-18 18:44 UTC
CWE
  • CWE-273 - Improper Check for Dropped Privileges
Impacted products
Vendor Product Version
amoffat sh Affected: < 2.2.4
Create a notification for this product.
Show details on NVD website

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CVE-2026-49421 (GCVE-0-2026-49421)

Vulnerability from cvelistv5 – Published: 2026-08-19 05:25 – Updated: 2026-08-19 05:25
VLAI
Title
unlinkat(2) ignores AT_RESOLVE_BENEATH flag
Summary
The kernel function that implements unlinkat(2) and funlinkat(2) validated the AT_RESOLVE_BENEATH flag but failed to pass it through to the underlying path lookup. The flag was silently dropped, so path resolution was not actually restricted. A process that uses AT_RESOLVE_BENEATH with unlinkat(2) or funlinkat(2) to confine path resolution can in fact resolve paths above the starting directory. A caller relying on this flag for path containment may delete files outside the intended directory tree.
Severity
No CVSS data available.
CWE
  • CWE-273 - Improper Check for Dropped Privileges
References
Impacted products
Vendor Product Version
FreeBSD FreeBSD Affected: 15.1-RELEASE , < p1 (release)
Affected: 15.0-RELEASE , < p11 (release)
Affected: 14.4-RELEASE , < p7 (release)
Affected: 14.3-RELEASE , < p16 (release)
Create a notification for this product.
Date Public
2026-06-30 20:00
Show details on NVD website

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CVE-2026-44073 (GCVE-0-2026-44073)

Vulnerability from cvelistv5 – Published: 2026-05-21 07:35 – Updated: 2026-05-21 12:23
VLAI
Title
seteuid failure ignored in auth modules
Summary
Authentication modules in Netatalk 1.5.0 through 4.4.2 fail to check the return value of seteuid(), which may allow a remote authenticated attacker to retain elevated privileges under error conditions.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-21 12:22 UTC
CWE
  • CWE-273 - Improper Check for Dropped Privileges
References
Impacted products
Vendor Product Version
Netatalk Netatalk Affected: 1.5.0 , ≤ 4.4.2 (semver)
Unaffected: 4.5.0 (semver)
Create a notification for this product.
Date Public
2026-05-13 00:00
Show details on NVD website

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CVE-2026-32107 (GCVE-0-2026-32107)

Vulnerability from cvelistv5 – Published: 2026-04-17 19:25 – Updated: 2026-04-22 03:55
VLAI
Title
xrdp: Fail-open privilege drop in sesexec — child processes may execute as root if setuid fails
Summary
xrdp is an open source RDP server. In versions through 0.10.5, the session execution component did not properly handle an error during the privilege drop process. This improper privilege management could allow an authenticated local attacker to escalate privileges to root and execute arbitrary code on the system. An additional exploit would be needed to facilitate this. This issue has been fixed in version 0.10.6.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-21 00:00 UTC
CWE
  • CWE-273 - Improper Check for Dropped Privileges
References
Impacted products
Vendor Product Version
neutrinolabs xrdp Affected: < 0.10.6
Create a notification for this product.
Show details on NVD website

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CVE-2026-21882 (GCVE-0-2026-21882)

Vulnerability from cvelistv5 – Published: 2026-03-02 19:17 – Updated: 2026-03-02 19:44
VLAI
Title
theshit's Improper Privilege Dropping Allows Local Privilege Escalation via Command Re-execution
Summary
theshit is a command-line utility that automatically detects and fixes common mistakes in shell commands. Prior to version 0.2.0, improper privilege dropping allows local privilege escalation via command re-execution. This issue has been patched in version 0.2.0.
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-02 19:44 UTC
CWE
  • CWE-273 - Improper Check for Dropped Privileges
  • CWE-269 - Improper Privilege Management
  • CWE-250 - Execution with Unnecessary Privileges
References
Impacted products
Vendor Product Version
AsfhtgkDavid theshit Affected: < 0.2.0
Create a notification for this product.
Show details on NVD website

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CVE-2025-62175 (GCVE-0-2025-62175)

Vulnerability from cvelistv5 – Published: 2025-10-13 20:59 – Updated: 2025-10-14 13:58
VLAI
Title
Mastodon streaming API fails to disconnect disabled and suspended users
Summary
Mastodon is a free, open-source social network server based on ActivityPub. In versions before 4.4.6, 4.3.14, and 4.2.27, disabling or suspending a user account does not disconnect the account from the streaming API. This allows disabled or suspended accounts to continue receiving real-time updates through existing streaming connections and to establish new streaming connections, even though they cannot interact with other API endpoints. This undermines moderation actions, as administrators expect disabled or suspended accounts to be fully disconnected from the service. This issue has been patched in versions 4.4.6, 4.3.14, and 4.2.27. No known workarounds exist.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-14 13:56 UTC
CWE
  • CWE-273 - Improper Check for Dropped Privileges
  • CWE-274 - Improper Handling of Insufficient Privileges
References
Impacted products
Vendor Product Version
mastodon mastodon Affected: >= 4.4.0-beta.1, < 4.4.6
Affected: >= 4.3.0-beta.1, < 4.3.14
Affected: < 4.2.27
Create a notification for this product.
Show details on NVD website

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CVE-2025-27396 (GCVE-0-2025-27396)

Vulnerability from cvelistv5 – Published: 2025-03-11 09:48 – Updated: 2025-03-11 13:37
VLAI
Summary
A vulnerability has been identified in SCALANCE LPE9403 (6GK5998-3GS00-2AC2) (All versions < V4.0). Affected devices do not properly limit the elevation of privileges required to perform certain valid functionality. This could allow an authenticated lowly-privileged remote attacker to escalate their privileges.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-03-11 13:37 UTC
CWE
  • CWE-273 - Improper Check for Dropped Privileges
Impacted products
Vendor Product Version
Siemens SCALANCE LPE9403 Affected: 0 , < V4.0 (custom)
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    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-27396",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
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                  {
                    "Technical Impact": "total"
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                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-03-11T13:37:22.672092Z",
                "version": "2.0.3"
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        "title": "CISA ADP Vulnrichment"
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          "product": "SCALANCE LPE9403",
          "vendor": "Siemens",
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          "value": "A vulnerability has been identified in SCALANCE LPE9403 (6GK5998-3GS00-2AC2) (All versions \u003c V4.0). Affected devices do not properly limit the elevation of privileges required to perform certain valid functionality.\r\nThis could allow an authenticated lowly-privileged remote attacker to escalate their privileges."
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        "shortName": "siemens"
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      "references": [
        {
          "url": "https://cert-portal.siemens.com/productcert/html/ssa-075201.html"
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Mitigation MIT-46
Architecture and Design

Strategy: Separation of Privilege

  • Compartmentalize the system to have "safe" areas where trust boundaries can be unambiguously drawn. Do not allow sensitive data to go outside of the trust boundary and always be careful when interfacing with a compartment outside of the safe area.
  • Ensure that appropriate compartmentalization is built into the system design, and the compartmentalization allows for and reinforces privilege separation functionality. Architects and designers should rely on the principle of least privilege to decide the appropriate time to use privileges and the time to drop privileges.
Mitigation MIT-53
Implementation

Check the results of all functions that return a value and verify that the value is expected.

Mitigation
Implementation

In Windows, make sure that the process token has the SeImpersonatePrivilege(Microsoft Server 2003). Code that relies on impersonation for security must ensure that the impersonation succeeded, i.e., that a proper privilege demotion happened.

No CAPEC attack patterns related to this CWE.