CVE-2026-81680 — openssl_encrypt before 1.4.9 Authentication Bypass via Recovery Slot Removal
openssl_encrypt versions before 1.4.9 fail to authenticate recovery-slot presence in envelope-format encrypted files, allowing attackers to remove recovery slots without re-encr…
Published: 2026-08-27 · CVSS: 9.3 · CVSS 4.0
openssl_encrypt versions before 1.4.9 fail to authenticate recovery-slot presence in envelope-format encrypted files, allowing attackers to remove recovery slots without re-encrypting the payload. Attackers can modify the file header to delete recovery-slot fields and bypass authentication, silently removing recovery paths the owner deliberately added.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7