What is CVE-2026-40032?

CVE-2026-40032 is a high-severity vulnerability in Tclahr Uac, classified under OS Command Injection. CVSS score: 7.8/10. Published 2026-04-08.

How severe is CVE-2026-40032?

High severity. CVSS v3 base score is 7.8 out of 10.

RCE in Tclahr Uac

CVE-2026-40032

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…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.000 (5.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Tclahr Uac — versions 0, 3.3.0-rc1

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

Pull Request (product)
Patch Commit #1 (patch)
Patch Commit #2 (patch)
Patch Commit #3 (patch)
Related Issue (product)
Mobasi Sentinel Vulnerability Index (vendor-advisory)
VulnCheck Advisory: UAC < 3.3.0-rc1 Command Injection via Placeholder Substitution (third-party-advisory)

Frequently asked questions

What is CVE-2026-40032?: CVE-2026-40032 is a high-severity vulnerability in Tclahr Uac, classified under OS Command Injection. CVSS score: 7.8/10. Published 2026-04-08.
How severe is CVE-2026-40032?: High severity. CVSS v3 base score is 7.8 out of 10.