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 |
|---|---|---|---|---|
| 8.2 | High | 4.0 | CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/S:P/AU:Y/V:D/RE:L/U:Amber | CNA (apache) |
- CISA KEV Not listed.
- EPSS 0.0067, the 52nd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 25 Jun 2026, 09:31 UTC Confirmed by GitHub Advisory Database
- 3 Nov 2026, 21:31 UTC Confirmed by OSV
Sources
- GitHub Advisory Database: GHSA-qj64-jj84-w38j
- OSV: GHSA-qj64-jj84-w38j
- nvd.nist.gov/vuln/detail/CVE-2026-56091
- github.com/github/advisory-database/pull/10078
- github.com/apache/shiro/commit/42aa34467ad30f085fc8e003042db0c397fe8d57
- github.com/apache/shiro
- lists.apache.org/thread/onmtxmy2qonbpx7xlw3o34x8sctv47r7