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CVE-2026-107686

4.3 · MEDIUM

The Gitea web handlers for adding and removing reactions on issues and comments did not refuse locked issues for users without write access, although the API did.

Published Oct 18, 2026CWE-284EPSS 0.24%

Overview

CVE-2026-107686 is a medium-severity vulnerability. It was published on October 18, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

The Gitea web handlers for adding and removing reactions on issues and comments did not refuse locked issues for users without write access, although the API did. A signed-in user who could read an issue could therefore add or remove reactions on a locked issue and its comments, bypassing the interaction restriction of the lock. Only reactions were affected; no content could be changed.

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

Refblog.gitea.com/release-of-28.2.0/GitHubgithub.com/go-gitea/gitea/pull/39839GitHubgithub.com/go-gitea/gitea/pull/39847GitHubgithub.com/go-gitea/gitea/releases/tag/v28.2.0GitHubgithub.com/go-gitea/gitea/security/advisories/GHSA-wx44-9m3m-rjqx

How CyberStrike helps

Frequently asked questions

What is CVE-2026-107686?

CVE-2026-107686 is a medium-severity vulnerability. It was published on October 18, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-107686?

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-107686?

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-2026-107686?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-107686 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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