jahlives openssl_encrypt up to 1.4.8 D-Bus service improper authorization

Summaryinfo

A vulnerability identified as critical has been detected in jahlives openssl_encrypt up to 1.4.8. This vulnerability affects unknown code of the component D-Bus service. This manipulation causes improper authorization. This vulnerability appears as CVE-2026-81686. The attack requires local access. There is no available exploit.

Detailsinfo

A vulnerability was found in jahlives openssl_encrypt up to 1.4.8. It has been declared as critical. Affected by this vulnerability is some unknown functionality of the component D-Bus service. The manipulation with an unknown input leads to a improper authorization vulnerability. The CWE definition for the vulnerability is CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect availability. The summary by CVE is:

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.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-81686 since 08/27/2026. The exploitation appears to be easy. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1548.002 according to MITRE ATT&CK.

Upgrading to version 1.4.9 eliminates this vulnerability.

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Productinfo

Type

• Network Encryption Software

Vendor

• jahlives

Name

• openssl_encrypt

Version

• 1.4.0
• 1.4.1
• 1.4.2
• 1.4.3
• 1.4.4
• 1.4.5
• 1.4.6
• 1.4.7
• 1.4.8

Website

• Product: https://github.com/jahlives/openssl_encrypt/

CPE 2.3info

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