CVE-2026-81680: Improper Verification of Cryptographic Signature in jahlives openssl_encrypt
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.
CVE-2026-81680: Improper Verification of Cryptographic Signature in jahlives openssl_encrypt
Description
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.
CVSS v4.0
Score 9.3critical
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-08-27T11:11:30.933Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a906bb2acd9273b4983a191
Added to database: 08/27/2026, 16:54:10 UTC
Last updated: 08/28/2026, 01:00:24 UTC
Views: 9
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