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CVE-2026-2869

3.3 · LOW

A vulnerability was identified in janet-lang janet up to 1.40.1.

Published Feb 21, 2026CWE-119EPSS 0.23%

Overview

CVE-2026-2869 is a low-severity vulnerability. It was published on February 21, 2026 and has a CVSS 3.1 base score of 3.3 (LOW).

This vulnerability has a CVSS 3.1 base score of 3.3, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

A vulnerability was identified in janet-lang janet up to 1.40.1. Affected by this vulnerability is the function janetc_varset of the file src/core/specials.c of the component handleattr Handler. The manipulation leads to out-of-bounds read. The attack can only be performed from a local environment. The exploit is publicly available and might be used. Upgrading to version 1.41.0 addresses this issue. The identifier of the patch is 2fabc80151a2b8834ee59cda8a70453f848b40e5. The affected component should be upgraded.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/janet-lang/janet/GitHubgithub.com/janet-lang/janet/commit/2fabc80151a2b8834ee59cda8a70453f848b40e5GitHubgithub.com/janet-lang/janet/issues/1699GitHubgithub.com/janet-lang/janet/releases/tag/v1.41.0GitHubgithub.com/oneafter/0123/blob/main/ja1/reproRefvuldb.com/?ctiid.347106Refvuldb.com/?id.347106Refvuldb.com/?submit.754589

How CyberStrike helps

Frequently asked questions

What is CVE-2026-2869?

CVE-2026-2869 is a low-severity vulnerability. It was published on February 21, 2026 and has a CVSS 3.1 base score of 3.3 (LOW).

How severe is CVE-2026-2869?

This vulnerability has a CVSS 3.1 base score of 3.3, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-2869?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-2869?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-2869 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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