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CVE-2026-44310

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 pa
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:acd92f3e0dbf1346eb51196afe0fafac0fdb5febb8c17344eb4b4e4cc4f4e745
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-129","description":"CWE-129: Improper Validation of Array Index","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:d59390766845ffcdd215b3efc92f2c9669856cda30d642ada2510e40d11e9b87 · sha256:f055c02b970f94ad… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-390","description":"CWE-390: Detection of Error Condition Without Action","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:d59390766845ffcdd215b3efc92f2c9669856cda30d642ada2510e40d11e9b87 · sha256:f055c02b970f94ad… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"gitsign","vendor":"sigstore","versions":[{"status":"affected","version":">= 0.4.0, < 0.15.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d59390766845ffcdd215b3efc92f2c9669856cda30d642ada2510e40d11e9b87 · sha256:f055c02b970f94ad… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.4,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:d59390766845ffcdd215b3efc92f2c9669856cda30d642ada2510e40d11e9b87 · sha256:f055c02b970f94ad… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-129","description":"CWE-129: Improper Validation of Array Index","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:d59390766845ffcdd215b3efc92f2c9669856cda30d642ada2510e40d11e9b87 · sha256:f055c02b970f94ad… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-390","description":"CWE-390: Detection of Error Condition Without Action","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:d59390766845ffcdd215b3efc92f2c9669856cda30d642ada2510e40d11e9b87 · sha256:f055c02b970f94ad… · /containers/cna/problemTypes/1/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/sigstore/gitsign/security/advisories/GHSA-7c37-gx6w-8vc5","tags":["x_refsource_CONFIRM"],"url":"https://github.com/sigstore/gitsign/security/advisories/GHSA-7c37-gx6w-8vc5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d59390766845ffcdd215b3efc92f2c9669856cda30d642ada2510e40d11e9b87 · sha256:f055c02b970f94ad… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/sigstore/gitsign/security/advisories/GHSA-7c37-gx6w-8vc5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d59390766845ffcdd215b3efc92f2c9669856cda30d642ada2510e40d11e9b87 · sha256:f055c02b970f94ad… · /containers/adp/0/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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