🛡️ CVE-2026-6823 — openharness

🟠 CVSS 8.2 — High ⚠️ Exploit Public CWE-276 NVD
8.2
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

HKUDS OpenHarness prior to PR #147 remediation contains an insecure default configuration vulnerability where remote channels inherit allow_from = ["*"] permitting arbitrary remote senders to pass admission checks. Attackers who can reach the configured channel can bypass access controls and reach host-backed agent runtimes, potentially leading to unauthorized file disclosure and read access through default-enabled read-only tools.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity low, availability none.

Weakness class

CVE-2026-6823 is classified as CWE-276: Incorrect Default Permissions. Files or resources are created with permissions that are broader than they need to be.

Affected software

CVE-2026-6823 is recorded against 1 package.

  • openharness (fixed in 0.1.7)

Timeline and source

Published on 21 April 2026 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. A vendor advisory or fix has been published. Record sourced from NVD.

References

github.com
github.com
github.com
www.vulncheck.com
github.com

Details

Severity HIGH
CVSS Score 8.2
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
CWE CWE-276
Public Exploit ⚠️ Yes
Source NVD
Published 2026-04-21
Updated 2026-08-11
Modified 2026-06-17

Affected Packages

Software From version Fixed in
openharness — 0.1.7

Similar Threats

Exploit Protection

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CVE-2026-6823 carries CVSS 8.2 High rating and a public exploit already exists. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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