Improper input validation in Jahlives OpenSSL Encrypt
CVE-2026-81686
openssl_encrypt 1.4.x before 1.4.9 contains an optional D-Bus crypto service whose org.freedesktop.DBus.Properties.Set method performs neither a polkit authorization check nor value validation. Any local user on the system bus can call Set without authorization and set MaxConcurrentOperations (to 0/negative, causing the concurrency gate to refuse all subsequent operations, or to a huge value removing the limit) or the unbounded DefaultTimeout, resulting in a persistent denial of service of the root daemon. The D-Bus service exists only on the 1.4.x line and was removed in 1.5.x.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.001 (2.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 2.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000
Affected products
Weakness classification (CWE)
References
- GitHub Security Advisory (GHSA-7fhx-8rmv-qjj3) (vendor-advisory, Vendor Advisory)
- VulnCheck Advisory: openssl_encrypt before 1.4.9 D-Bus Properties Authorization Bypass (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-81686?
- CVE-2026-81686 is a medium-severity vulnerability in Jahlives OpenSSL Encrypt, classified under Improper Input Validation. CVSS score: 6.2/10. Published 2026-08-27.
- How severe is CVE-2026-81686?
- Medium severity. CVSS v3 base score is 6.2 out of 10.