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CVE-2026-109844

4.3 · MEDIUM

`GET /api/v1/user/subscriptions` returned the metadata of every repository a user was watching without checking that the user still had access to it.

Published Oct 18, 2026CWE-862EPSS 0.20%

Overview

CVE-2026-109844 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

`GET /api/v1/user/subscriptions` returned the metadata of every repository a user was watching without checking that the user still had access to it. A user who watched a private repository while having access, and later lost it, for example through a team permission downgrade, could still read its name, description, clone URLs, owner and counters. The issue was fixed in 1.27.0 and 28.0.0 and disclosed with 28.2.0.

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/38321GitHubgithub.com/go-gitea/gitea/pull/38390GitHubgithub.com/go-gitea/gitea/releases/tag/v28.2.0GitHubgithub.com/go-gitea/gitea/security/advisories/GHSA-96gv-2xc4-4hxj

How CyberStrike helps

Frequently asked questions

What is CVE-2026-109844?

CVE-2026-109844 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-2026-109844?

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-2026-109844?

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-2026-109844?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-109844 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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