Sigstore Java has a vulnerability with bundle verification of integratedTime

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

• CISA KEV Not listed.
• EPSS 0.0007, the 1st percentile, on 8 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

1. 31 Oct 2026, 14:20 UTC First seen by agentprime
2. 31 Oct 2026, 14:20 UTC Confirmed by OSV

Sources

• GitHub Advisory Database: GHSA-qqw8-7c2r-jxch
• OSV: GHSA-qqw8-7c2r-jxch
• github.com/sigstore/sigstore-java/security/advisories/GHSA-qqw8-7c2r-jxch
• github.com/sigstore/sigstore-java/pull/1008
• github.com/sigstore/sigstore-java/pull/1185
• github.com/sigstore/sigstore-java/commit/4b7a49ebb1813f5b1ff113bcad63246358222d61
• github.com/sigstore/sigstore-java/commit/b529335728fc5cfb574161b4b3c06859a8a2aa88
• github.com/sigstore/sigstore-java

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.