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Vulnerability record · CVE-2026-85013 · published 15 September 2026

CVE-2026-85013: OS command injection vulnerability

A flaw was found in environment-modules. A local attacker can exploit this vulnerability by placing a maliciously named modulefile in a location visible to the victim's `MODULEPATH`. When the victim uses Bash completion for `module` or `ml` commands, the malicious module name, containing shell metacharacters, is evaluated as a command. This can lead to arbitrary command execution in the completing user's shell, impacting their confidentiality, integrity, and availability.

7.3 CVSS 3.1 High EPSS 0.22% · top 88.6% CWE-78 · OS command injection Awaiting Analysis
7.3CVSS 3.1 base score
0.22%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
5References
21 Sep 2026Last modified by NVD

Description

A flaw was found in environment-modules. A local attacker can exploit this vulnerability by placing a maliciously named modulefile in a location visible to the victim's `MODULEPATH`. When the victim uses Bash completion for `module` or `ml` commands, the malicious module name, containing shell metacharacters, is evaluated as a command. This can lead to arbitrary command execution in the completing user's shell, impacting their confidentiality, integrity, and availability.

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

References

LinkTags
https://access.redhat.com/errata/RHSA-2026:64766
https://access.redhat.com/security/cve/CVE-2026-85013
https://bugzilla.redhat.com/show_bug.cgi?id=2465635
https://github.com/envmodules/modules/security/advisories/GHSA-8hrw-p88g-qhmg
https://github.com/envmodules/modules/security/advisories/GHSA-8hrw-p88g-qhmg

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Source: NIST National Vulnerability Database (record CVE-2026-85013), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.