Is github.com/sigstore/gitsign affected by CVE-2026-44309?

Go github.com/sigstore/gitsign is affected in <0.16.0.

Is CVE-2026-44309 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.1%.

medium

CVE-2026-44309

Q: Is CVE-2026-44309 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.1%.

Go · github.com/sigstore/gitsign

Summary

gitsign verify accepts signatures over go-git-normalized bytes, enabling trust confusion on malformed commits

Severity: medium
EPSS: 0.1% (p2)
Also known as: GHSA-7rmh-48mx-2vwc
Published: 2026-05-08

References

https://github.com/sigstore/gitsign/security/advisories/GHSA-7rmh-48mx-2vwc
https://nvd.nist.gov/vuln/detail/CVE-2026-44309
https://github.com/sigstore/gitsign

Related advisories

CVE-2026-44310 — medium · Go/github.com/sigstore/gitsign

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.