CVE-2026-66853

MEDIUMCVSS 4.3

Description

Gitea's user organization-list API includes Limited-visibility organizations for authenticated restricted accounts without applying the visibility restriction enforced by the single-organization endpoint. A restricted user can list a known user's public organization memberships and retrieve limited organizations' names, descriptions, and avatars. This exposes organization metadata that should be hidden from the requesting account.

Timeline

Published:October 14th, 2026 3:17 PM

Last modified:October 14th, 2026 4:17 PM

CVSS Scoring

CVSS v3: 4.3 (MEDIUM)

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

Weaknesses (CWE)

CWE-200 CWE-863

References & Reports

Advisories, patches, and third-party reports

https://blog.gitea.com/release-of-1.27.3/
https://github.com/go-gitea/gitea/pull/39047
https://github.com/go-gitea/gitea/pull/39058
https://github.com/go-gitea/gitea/releases/tag/v1.27.3
https://github.com/go-gitea/gitea/security/advisories/GHSA-w4wc-g858-3672

Source: NIST NVD · Data may lag official sources by up to one minute