Vulnerability in Jahlives OpenSSL Encrypt
CVE-2026-81701
openssl_encrypt versions before 1.4.9 use a denylist to identify trusted built-in plugins, allowing unsigned plugins in top-level plugins/ directories and unknown subdirectories to bypass signature verification. Attackers can place malicious unsigned plugins following documented installation paths to achieve arbitrary code execution in the CLI process with access to passwords and cryptographic keys.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (34.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 34.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
Weakness classification (CWE)
References
- GitHub Security Advisory (GHSA-wxx9-p55f-wm34) (vendor-advisory, Vendor Advisory)
- VulnCheck Advisory: openssl_encrypt before 1.4.9 Arbitrary Code Execution via unsigned plugin (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-81701?
- CVE-2026-81701 is a critical-severity vulnerability in Jahlives OpenSSL Encrypt, classified under Improper Verification of Cryptographic Signature. CVSS score: 9.8/10. Published 2026-08-27.
- How severe is CVE-2026-81701?
- Critical severity. CVSS v3 base score is 9.8 out of 10.