{"id":"CVE-2026-81686","aliases":["PYSEC-2026-3794","GHSA-7fhx-8rmv-qjj3"],"title":"openssl_encrypt 1.4.x before 1.4.9 contains an optional D-Bus crypto service whose org.freedesktop.DBus.Properties.Set method performs ne…","summary":"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 S…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","vendor":"openssl-encrypt","product":"openssl-encrypt","ecosystem":"pip","affected":["openssl-encrypt < 1.4.9"],"patched":["openssl-encrypt 1.4.9"],"published":"2026-08-27","updated":"2026-09-03","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/PYSEC-2026-3794","references":[{"url":"https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-7fhx-8rmv-qjj3"},{"url":"https://www.vulncheck.com/advisories/openssl-encrypt-before-1.4.9-d-bus-properties-authorization-bypass"}],"tags":["osv","pip"],"epss":0.00139,"epssPercentile":0.02635,"ingestedAt":"2026-09-03T19:32:12.069Z","slug":"CVE-2026-81686","body":"## Overview\n\nopenssl_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.\n\n## Affected packages\n\n- `openssl-encrypt < 1.4.9`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `openssl-encrypt 1.4.9`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}