EUVD-2026-31220
Improper Check for Dropped Privileges (CWE-273)
GHSA-pc7p-8fgv-4x9c
5.0
CVSS 3.1
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CVSS VectorNVD
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low
Lifecycle Timeline
2
CVSS changed
May 21, 2026 - 08:22 NVD
4.0 (MEDIUM)
5.0 (MEDIUM)
Analysis Generated
May 21, 2026 - 08:09 vuln.today
DescriptionNVD
In Netatalk 1.5.0 through 4.4.2, seteuid failure ignored in auth modules. Fixed in 4.5.0.
AnalysisAI
Privilege retention in Netatalk 1.5.0 through 4.4.2 results from auth modules silently ignoring failures of the seteuid() system call, allowing an authenticated network attacker to operate with unintended elevated privileges. When seteuid() fails-due to resource exhaustion, OS limits, or specific system configurations-the process continues execution under its original (higher) UID rather than the intended reduced privilege level, exposing file system objects or operations the user should not access. …
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