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`)

At a glance

Severity: MEDIUM 6.8
EPSS: EPSS 0.48 % · percentile 42 (2026-10-28)
State: PUBLISHED
Published: 2026-08-13
Updated: 2026-08-14
Assigner: Gitea
NVD status: Deferred

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

Version	Score	Vector	Scored by
CVSS 3.1	MEDIUM 6.8	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N	CISA-ADP
CVSS 3.1	MEDIUM 6.8	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N	NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Weaknesses (CWE)

CWE-284

Advisories

GHSA-66m4-5jjr-2rg5 — Gitea: Webhooks created by a collaborator keep firing after their repo access is revoked → ongoing real-time exfiltration of private repo content
GO-2026-6033 — Gitea: Webhooks created by a collaborator keep firing after their repo access is revoked → ongoing real-time exfiltration of private repo content in gitea.dev

European references

ENISA EUVD · EUVD-2026-58167
GCVE · GCVE-0-2026-58440

Affected products

Product	Versions
Gitea · Gitea Open Source Git Server	affected 0 ≤ 1.26.4

References

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD