🛡️ CVE-2026-40515 — openharness

🟠 CVSS 7.5 — High ⚠️ Exploit Public CWE-863 NVD
7.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

OpenHarness before commit bd4df81 contains a permission bypass vulnerability that allows attackers to read sensitive files by exploiting incomplete path normalization in the permission checker. Attackers can invoke the built-in grep and glob tools with sensitive root directories that are not properly evaluated against configured path rules, allowing disclosure of sensitive local file content, key material, configuration files, or directory contents despite configured path restrictions.

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 none, availability none.

Weakness class

CVE-2026-40515 is classified as CWE-863: Incorrect Authorization. An authorisation check runs but reaches the wrong conclusion, permitting actions it should refuse.

Affected software

CVE-2026-40515 is recorded against 1 package.

  • openharness (fixed in 2026-04-11)

Timeline and source

Published on 17 April 2026 and last revised on 14 July 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
www.vulncheck.com

Details

Severity HIGH
CVSS Score 7.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE CWE-863
Public Exploit ⚠️ Yes
Source NVD
Published 2026-04-17
Updated 2026-08-11
Modified 2026-07-14

Affected Packages

Software From version Fixed in
openharness — 2026-04-11

Similar Threats

Exploit Protection

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CVE-2026-40515 carries CVSS 7.5 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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