CVE-2026-113723virtualenv: Bash prompt values can change meaning under older compatibility modes
Updated under an hour ago ()
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It affects pypa virtualenv. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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virtualenv is a tool for creating isolated virtual python environments. Prior to 21.14.9, caller-supplied prompt text can become executable syntax in the bash activation prompt. An attacker must influence the value passed to virtualenv, and a user must subsequently activate the environment and draw the prompt. This vulnerability is fixed in 21.14.9.
- CVSS
- 7.1 HIGH (v4.0, CNA)CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- Weakness (CWE)
- CWE-78
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- GitHub_M
- NVD analysis
- Received
- Record last updated
- Oct 20, 2026
- First seen by InfoSec Signals
- Oct 20, 2026
Affected products
pypa virtualenv pypa:virtualenv (from the name) | before 21.14.9 | CNA record |
References
- https://github.com/pypa/virtualenv/security/advisories/GHSA-6w3r-xr62-4xcpx-refsource-confirm
- https://github.com/pypa/virtualenv/pull/3418x-refsource-misc
- https://github.com/pypa/virtualenv/commit/5f48d711731311428aebfae61d46957762155b22x-refsource-misc
- https://github.com/pypa/virtualenv/releases/tag/21.14.9x-refsource-misc
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.