CVE-2026-58440

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`)

State: Published
Severity: 6.8 Medium
Published: Aug 13, 2026
Updated: Aug 14, 2026
Reserved: Jun 30, 2026

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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`)

Scores

CVSS	Score	Vector	Source
3.1	6.8 Medium	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N	CISA-ADP

Weaknesses

CWE-284

Affected Products

Product	Versions
Gitea Open Source Git ServerGitea	1.26.4 and earlierAffected

References

GitHub Security Advisoryvendor-advisory
Gitea v1.27.0 Releaserelease-notes
Gitea v1.27.0 Release Blog Postrelease-notes

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