CRITICAL 9.3 NVD
CVE-2026-81700
openssl_encrypt versions before 1.4.9 contain a signature verification vulnerability in gpg_runner.verify_detached that accepts revoked and expired keys by only
openssl_encrypt versions before 1.4.9 contain a signature verification vulnerability in gpg_runner.verify_detached that accepts revoked and expired keys by only checking VALIDSIG status without inspecting REVKEYSIG, EXPKEYSIG, or gpg exit codes. Attackers holding compromised-then-revoked signing keys or expired project keys can bypass signature verification to execute malicious plugins in the host process.
References
- https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-x38r-8wf3-q9hq
- https://www.vulncheck.com/advisories/openssl-encrypt-before-1.4.9-gpg-signature-verificati
This critical severity vulnerability with a CVSS score of 9.3 was published on 2026-08-27 via NVD.
Risk Timeline
CVE Disclosed2026-08-27 · -1 days ago
Remediation Resources
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