CVE-2026-58440

medium

Description

Webhooks created by a collaborator keep firing after their repo access is revoked → ongoing real-time exfiltration of private repo content (incomplete revocation cleanup in `DeleteCollaboration`)

References

https://github.com/go-gitea/gitea/security/advisories/GHSA-66m4-5jjr-2rg5

https://github.com/go-gitea/gitea/releases/tag/v1.27.0

https://blog.gitea.com/gitea-1.27.0-is-released/

Details

Source: Mitre, NVD

Published: 2026-08-13

Updated: 2026-08-14

Risk Information

CVSS v2

Base Score: 6.1

Vector: CVSS2#AV:N/AC:L/Au:M/C:C/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 6.8

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