{"id":"EUVD-2026-30564","enisaUuid":"08975f12-8c5a-329d-b629-0869fa661566","description":"Gitsign is a keyless Sigstore to signing tool for Git commits with your a GitHub / OIDC identity. From 0.4.0 to before 0.15.0, CertVerifier.Verify() in pkg/git/verifier.go unconditionally dereferences certs[0] after sd.GetCertificates() without checking the slice length. A CMS/PKCS7 signed message with an empty certificate set is a structurally valid DER payload; GetCertificates() returns an empty slice with no error, causing an immediate index-out-of-range panic. On the gitsign --verify code path (the GPG-compatible mode invoked by git verify-commit), the panic is silently recovered by internal/io/streams.go\u0027s Wrap() function, which returns nil instead of an error. main.go then exits with code 0, causing exit-code-only verification callers to interpret the failed verification as success. This vulnerability is fixed in 0.15.0.","datePublished":"May 15, 2026, 4:17:53 PM","dateUpdated":"May 15, 2026, 4:44:36 PM","baseScore":5.4,"baseScoreVersion":"3.1","baseScoreVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L","references":"https://github.com/sigstore/gitsign/security/advisories/GHSA-7c37-gx6w-8vc5\n","aliases":"CVE-2026-44310\nGHSA-7c37-gx6w-8vc5\n","assigner":"GitHub_M","epss":0.11,"enisaIdProduct":[{"id":"42b92616-d66b-3871-995d-4741b1edf33c","product":{"name":"gitsign","vendor":{"name":"sigstore"}},"product_version":"0.4.0, \u003c 0.15.0"}],"enisaIdVendor":[{"id":"b81f3763-baee-36b9-9807-c8902faf435e","vendor":{"name":"sigstore"}}],"enisaIdVulnerability":[{"id":"65f3b0aa-02e0-3eb0-b394-60314e67948b","vulnerability":{"id":"CVE-2026-44310","description":"Gitsign is a keyless Sigstore to signing tool for Git commits with your a GitHub / OIDC identity. From 0.4.0 to before 0.15.0, CertVerifier.Verify() in pkg/git/verifier.go unconditionally dereferences certs[0] after sd.GetCertificates() without checking the slice length. A CMS/PKCS7 signed message with an empty certificate set is a structurally valid DER payload; GetCertificates() returns an empty slice with no error, causing an immediate index-out-of-range panic. On the gitsign --verify code path (the GPG-compatible mode invoked by git verify-commit), the panic is silently recovered by internal/io/streams.go\u0027s Wrap() function, which returns nil instead of an error. main.go then exits with code 0, causing exit-code-only verification callers to interpret the failed verification as success. This vulnerability is fixed in 0.15.0.","datePublished":"May 15, 2026, 4:17:53 PM","dateUpdated":"May 15, 2026, 4:44:36 PM","status":"PUBLISHED","baseScore":5.4,"baseScoreVersion":"3.1","baseScoreVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L","references":"https://github.com/sigstore/gitsign/security/advisories/GHSA-7c37-gx6w-8vc5\n","enisa_id":"EUVD-2026-30564\n","assigner":"GitHub_M","epss":0.11,"dataProcessed":"Oct 28, 2026, 7:17:27 AM","vulnerabilityProduct":[{"id":"e0278e1a-48a3-372f-8fdf-fcedfa19a59b","product":{"name":"gitsign","vendor":{"name":"sigstore"}},"product_version":"0.4.0, \u003c 0.15.0"}],"vulnerabilityVendor":[{"id":"ece660d7-49c1-3ca6-b367-b4c36b0df19f","vendor":{"name":"sigstore"}}]}},{"id":"f1ee2989-d067-3d12-8285-1829cab389f0","vulnerability":{"id":"GHSA-7c37-gx6w-8vc5","description":"gitsign --verify panics on empty-certificate PKCS7 and exits 0, bypassing exit-code callers","datePublished":"May 8, 2026, 5:37:45 PM","dateUpdated":"May 15, 2026, 11:49:44 PM","baseScore":0.0,"references":"https://github.com/sigstore/gitsign/security/advisories/GHSA-7c37-gx6w-8vc5\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-44310\nhttps://github.com/sigstore/gitsign\n","enisa_id":"EUVD-2026-30564\n","aliases":"GHSA-7c37-gx6w-8vc5\nCVE-2026-44310\n","epss":0.0,"dataProcessed":"Oct 25, 2026, 1:55:50 AM","vulnerabilityProduct":[],"vulnerabilityVendor":[]}}],"enisaIdAdvisory":[]}