Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 7.3 | High | 4.0 | CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | CNA (GitHub_M) |
- CISA KEV Not listed.
- EPSS 0.0021, the 10th percentile, on 8 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 14:09 UTC First seen by agentprime
- 31 Oct 2026, 14:09 UTC Confirmed by OSV
Sources
- GitHub Advisory Database: GHSA-x78j-v8h9-3j2q
- OSV: GHSA-x78j-v8h9-3j2q
- github.com/pypa/virtualenv/security/advisories/GHSA-x78j-v8h9-3j2q
- nvd.nist.gov/vuln/detail/CVE-2026-102937
- github.com/pypa/virtualenv/pull/3250
- github.com/pypa/virtualenv/commit/d721ff140ce4afdc2a9b76751e4584e25d9fbea6
- github.com/pypa/advisory-database/tree/main/vulns/virtualenv/PYSEC-2026-4014.yaml
- github.com/pypa/virtualenv
- github.com/pypa/virtualenv/releases/tag/21.7.12
- pypi.org/project/virtualenv