CVE-2026-40032
UAC < 3.3.0-rc1 Command Injection via Placeholder Substitution
- State
- Published
- Severity
- 8.5 High
- Published
- Apr 8, 2026
- Updated
- Jun 23, 2026
- Reserved
- Apr 8, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.5 High | CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 7.8 High | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') (CWE-78)
Affected Products
| Product | Versions |
|---|---|
UACtclahr |
|
References
- Pull Requestissue-tracking
- Patch Commit #1patch
- Patch Commit #2patch
- Patch Commit #3patch
- Related Issueissue-tracking
- Mobasi Sentinel Vulnerability Indexvendor-advisory
- VulnCheck Advisory: UAC < 3.3.0-rc1 Command Injection via Placeholder Substitutionthird-party-advisory
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.