CVE-2026-105161: Signature Bypass (CVSS 5.3)

Description

A flaw has been found in invariant-systems-ai aiir up to 1.7.0. The affected element is an unknown function of the component Policy Gate Handler. Executing a manipulation can lead to improper verification of cryptographic signature. The attack can be executed remotely. It is advisable to upgrade the affected component. The GitHub repository of this project is not available anymore. This vulnerability only affects products that are no longer supported by the maintainer.

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CVSS v3.1 Score

5.3

MEDIUM

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

EPSS — Exploit Prediction

0.0014

Probability of exploitation

0.03%

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-345 CWE-345

CWE-347 CWE-347

References

Other References

https://github.com/advisories/GHSA-73p9-6hrp-8qhr https://github.com/invariant-systems-ai/aiir/ https://github.com/invariant-systems-ai/aiir/security/advisories/GHSA-73p9-6hrp-8qhr https://vuldb.com/cve/CVE-2026-105161 https://vuldb.com/vuln/413387 https://vuldb.com/vuln/413387/cti

Frequently Asked Questions

What is CVE-2026-105161? +

A flaw has been found in invariant-systems-ai aiir up to 1.7.0. The affected element is an unknown function of the component Policy Gate Handler. Executing a manipulation can lead to improper verification of cryptographic signature. The attack can be executed remotely. It is advisable to upgrade the affected component. The GitHub repository of this project is not available anymore. This vulnerability only affects products that are no longer supported by the maintainer. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2026-105161? +

CVE-2026-105161 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0014, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-105161? +

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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