Vulnerability in Jahlives OpenSSL Encrypt
CVE-2026-74883
openssl_encrypt versions before 1.4.0 contain a sandbox bypass vulnerability where the plugin sandbox fails to restrict alternative file access methods like pathlib.Path and io.open. Attackers can import pathlib or io modules to read and write arbitrary files, completely bypassing the restricted_open file access controls.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (38.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.9% 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: 0.005 · change: +0.002
Affected products
- Jahlives OpenSSL Encrypt — versions 0, 1.4.0
Weakness classification (CWE)
References
- GitHub Security Advisory (GHSA-mcjj-qw7m-j3cp) (vendor-advisory, Exploit, Mitigation, Vendor Advisory)
- VulnCheck Advisory: openssl_encrypt before 1.4.0 Sandbox Bypass via pathlib and io (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-74883?
- CVE-2026-74883 is a high-severity vulnerability in Jahlives OpenSSL Encrypt, classified under Protection Mechanism Failure. CVSS score: 8.8/10. Published 2026-08-17.
- How severe is CVE-2026-74883?
- High severity. CVSS v3 base score is 8.8 out of 10.