What is CVE-2026-74874?

CVE-2026-74874 is a high-severity vulnerability in Jahlives OpenSSL Encrypt, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 7.5/10. Published 2026-08-17.

How severe is CVE-2026-74874?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Jahlives OpenSSL Encrypt

CVE-2026-74874

openssl_encrypt versions before 1.4.0 use Python's non-cryptographic random module for steganographic pixel selection in the generate_pseudorandom_sequence function. Attackers who know the password can recover the Mersenne Twister state from approximately 624 outputs and predict pixel locations containing hidden data for extraction.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Jahlives Openssl_encrypt — versions 0, 1.4.0

Weakness classification (CWE)

CWE-338 — Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-74874?: CVE-2026-74874 is a high-severity vulnerability in Jahlives OpenSSL Encrypt, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 7.5/10. Published 2026-08-17.
How severe is CVE-2026-74874?: High severity. CVSS v3 base score is 7.5 out of 10.