CVE-2026-81703
openssl_encrypt versions before 1.4.9 fail to validate encryption status of embedded post-quantum private keys in file metadata. Attackers can craft files with unencrypted embedded PQC keys that decrypt under any password, bypassing authentication and producing attacker-chosen plaintext with false integrity verification.
Published:Aug 27, 2026
Last Modified:Sep 1, 2026
EPS:Aug 27, 2026
EPSS Score:0.00166
CVSS Score:5.5
Affected Products
Vendor
Product
Action
Vendor
Jahlives
Product
Openssl Encrypt
Jahlives
Openssl Encrypt
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
