Bug 2515499 (CVE-2026-58440)

Summary: CVE-2026-58440 gitea.dev: Gitea: Information disclosure via incomplete webhook revocation
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in Gitea. Webhooks created by a collaborator continue to function even after their repository access is revoked. This incomplete revocation allows for the ongoing, real-time exfiltration of private repository content, leading to information disclosure.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2519710, 2519711    
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Description OSIDB Bzimport 2026-08-13 17:15:59 UTC
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`)