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CVE-2026-40032

7.8 · HIGH

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 pass…

Published Apr 8, 2026CWE-78EPSS 1.18%

Overview

CVE-2026-40032 is a high-severity vulnerability. It was published on April 8, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/tclahr/uac/commit/50ace60e172e38feb78347bdf579311c23eff078GitHubgithub.com/tclahr/uac/commit/cb95d7166cd47908e1189d9669e43f9a6d3d707fGitHubgithub.com/tclahr/uac/commit/d0fca5e36d8d6a33a4404f0f6fe92b0424544589GitHubgithub.com/tclahr/uac/issues/429GitHubgithub.com/tclahr/uac/pull/443Refmobasi.ai/sentinelRefwww.vulncheck.com/advisories/uac-rc1-command-injection-via-placeholder-substitution

How CyberStrike helps

Frequently asked questions

What is CVE-2026-40032?

CVE-2026-40032 is a high-severity vulnerability. It was published on April 8, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2026-40032?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-40032?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-40032?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-40032 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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