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 |
|---|---|---|---|---|
| 8.6 | High | 4.0 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N | CNA (cisa-cg) |
- CISA KEV Not listed.
- EPSS 0.0053, the 44th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
Sources
- GitHub Advisory Database: GHSA-jmr9-qjv8-65gv
- OSV: GHSA-jmr9-qjv8-65gv
- github.com/ziad626/extract-zip-security-research/security/advisories/GHSA-x7jf-2287-qcpf
- nvd.nist.gov/vuln/detail/CVE-2026-56876
- github.com/max-mapper/extract-zip
- raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-177-01.json
- www.cve.org/CVERecord?id=CVE-2026-56876