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.
{
"cna_assigner": "VulnCheck",
"cwe_ids": [
"CWE-347"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/81xxx/CVE-2026-81700.json"
}{
"cpe": "cpe:2.3:a:jahlives:openssl_encrypt:*:*:*:*:*:python:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "1.4.9"
}
],
"source": [
"AFFECTED_FIELD",
"CPE_RANGE"
]
}