CVE-2026-81686Hinoki check available

Local service interruption via unauthorized D-Bus configuration

Published Aug 27, 2026 · Updated Aug 27, 2026

Authorization bypass in OpenSSL Encrypt 1.4.0 through 1.4.8 allows local users to interrupt its root D-Bus daemon via Properties.Set. The org.freedesktop.DBus.Properties.Set handler accepts any system-bus caller without a polkit check and assigns unvalidated MaxConcurrentOperations or DefaultTimeout values. The optional 1.4.x Linux service must be enabled; zero or negative concurrency makes every later operation fail persistently.

CVSS severity6.2
Medium
EPSS probability0.10%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkAvailable
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Summary

What happened

Authorization bypass in OpenSSL Encrypt 1.4.0 through 1.4.8 allows local users to interrupt its root D-Bus daemon via Properties.Set. The org.freedesktop.DBus.Properties.Set handler accepts any system-bus caller without a polkit check and assigns unvalidated MaxConcurrentOperations or DefaultTimeout values. The optional 1.4.x Linux service must be enabled; zero or negative concurrency makes every later operation fail persistently.

The record

CVE
CVE-2026-81686
Published
Aug 27, 2026
Updated
Aug 27, 2026
Vendor
jahlives
Product
OpenSSL Encrypt
Classifications
CWE-20, CWE-862, T1499
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 27, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 27, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <1.4.9

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

jahlives · OpenSSL Encryptversion=0 <1.4.9

Published CVSS scores

6.2VulnCheckCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-20Improper Input Validation
CWE-862Missing Authorization
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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