CVE-2026-113723

Name	CVE-2026-113723
Description	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.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	1151685

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
python-virtualenv (PTS)	bookworm	20.17.1+ds-1	vulnerable
	trixie	20.31.2+ds-1+deb13u1	vulnerable
	forky, sid	21.5.1+ds-1	vulnerable

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
python-virtualenv	source	(unstable)	(unfixed)			1151685

Notes

[trixie] - python-virtualenv <no-dsa> (Minor issue)
https://github.com/pypa/virtualenv/security/advisories/GHSA-6w3r-xr62-4xcp
https://github.com/pypa/virtualenv/pull/3418
Fixed by: https://github.com/pypa/virtualenv/commit/5f48d711731311428aebfae61d46957762155b22 (21.14.9)