CVE-2026-40032

Description

UAC (Unix-like Artifacts Collector) before 3.3.0-rc1 contains a command injection vulnerability in the placeholder substitution and command execution pipeline where the _run_command() function passes constructed command strings directly to eval without proper sanitization. Attackers can inject shell metacharacters or command substitutions through attacker-controlled inputs including %line% values from foreach iterators and %user% / %user_home% values derived from system files to achieve arbitrary command execution with the privileges of the UAC process.

References

https://www.vulncheck.com/advisories/uac-rc1-command-injection-via-placeholder-substitution

https://mobasi.ai/sentinel

https://github.com/tclahr/uac/pull/443

https://github.com/tclahr/uac/issues/429

https://github.com/tclahr/uac/commit/d0fca5e36d8d6a33a4404f0f6fe92b0424544589

https://github.com/tclahr/uac/commit/cb95d7166cd47908e1189d9669e43f9a6d3d707f

https://github.com/tclahr/uac/commit/50ace60e172e38feb78347bdf579311c23eff078

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

CVSS v4

EPSS