CVE-2026-114361: Access Control Flaw (CVSS 5.6)

Description

A vulnerability was detected in HarnessRouter up to 0.31.10. This affects an unknown function of the file gateway/app.py of the component Identity Mode. Performing a manipulation of the argument X-Harness-Org/X-Harness-Member results in improper authorization. The attack is possible to be carried out remotely. The attack is considered to have high complexity. The exploitability is reported as difficult. Upgrading to version 0.31.11 mitigates this issue. The patch is named 48a26cdf9c4544d2c88d1a07f0777f063f1d753f. The affected component should be upgraded.

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CVSS v3.1 Score

5.6

MEDIUM

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

EPSS — Exploit Prediction

0.0040

Probability of exploitation

0.34%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-266 CWE-266

CWE-285 CWE-285

References

Other References

https://github.com/HarnessRouter/harnessrouter/ https://github.com/HarnessRouter/harnessrouter/commit/48a26cdf9c4544d2c88d1a07f0777f063f1d753f https://github.com/HarnessRouter/harnessrouter/pull/426 https://github.com/HarnessRouter/harnessrouter/releases/tag/v0.31.11 https://github.com/HarnessRouter/harnessrouter/security/advisories/GHSA-qrr8-m92f-7vfp https://vuldb.com/cve/CVE-2026-114361 https://vuldb.com/submit/1019383 https://vuldb.com/vuln/424708 https://vuldb.com/vuln/424708/cti

Frequently Asked Questions

What is CVE-2026-114361? +

A vulnerability was detected in HarnessRouter up to 0.31.10. This affects an unknown function of the file gateway/app.py of the component Identity Mode. Performing a manipulation of the argument X-Harness-Org/X-Harness-Member results in improper authorization. The attack is possible to be carried out remotely. The attack is considered to have high complexity. The exploitability is reported as difficult. Upgrading to version 0.31.11 mitigates this issue. The patch is named 48a26cdf9c4544d2c88d1a07f0777f063f1d753f. The affected component should be upgraded. It has a CVSS v3.1 base score of 5.6 (MEDIUM).

How severe is CVE-2026-114361? +

CVE-2026-114361 has a CVSS v3.1 score of 5.6 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0040, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-114361? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2026-114361