Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Jahlives | Openssl Encrypt | < 1.4.9 |
Related Weaknesses (CWE)
References
- https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-qqfq-g2cv-jVendor Advisory
- https://www.vulncheck.com/advisories/openssl-encrypt-before-1.4.9-authenticationThird Party Advisory
FAQ
What is CVE-2026-81703?
CVE-2026-81703 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 decry...
How severe is CVE-2026-81703?
CVE-2026-81703 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-81703?
Check the references section above for vendor advisories and patch information. Affected products include: Jahlives Openssl Encrypt.