CVE-2026-82474

Summary

Sudo through 1.9.17p2 fails to apply intercept policy checks to the execveat system call in ptrace-based intercept mode. Users permitted to run specific commands can execute denied programs by calling execveat directly or through fexecve, bypassing policy enforcement and logging.

Affected Software

Weaknesses

• CWE-693: Protection Mechanism Failure

References

• https://github.com/sudo-project/sudo/commit/71fbe42dcd5a1c8f799540583a2dfb2ae6221edf
• https://github.com/sudo-project/sudo/blob/v1.9.17p2/src/exec_ptrace.c
• https://github.com/sudo-project/sudo
• https://www.vulncheck.com/advisories/sudo-through-1.9-17p2-intercept-policy-bypass-via-execveat

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