CVE-2026-74874openssl_encrypt before 1.4.0 Weak PRNG Steganography Pixel Selection
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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
- 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Weakness (CWE)
- CWE-338
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Analyzed
- Record last updated
- Oct 8, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
jahlives openssl_encrypt jahlives:openssl_encrypt (from the name) | before 1.4.0; 1.4.0 not affected | CNA record |
jahlives openssl_encrypt jahlives:openssl_encrypt | before 1.4.0 | NVD |
References
- https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-vfgx-5q85-58q3vendor-advisory
- https://www.vulncheck.com/advisories/openssl-encrypt-before-weak-prng-steganography-pixel-selectionthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.