6.8mediumMedium
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`)
What the metrics mean
- It is reachable over a network, without needing local access.
- For an attacker who can reach it, no special conditions are needed to exploit it.
- To exploit it, an administrative account is needed.
- Beyond that, no action by a user is required.
Scoring
- CVSS
- 6.8 (v3.1)
- Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N- Weakness
- CWE-284
- Assigned by
- 88ee5874-cf24-4952-aea0-31affedb7ff2
Dates
- Published
- 2026-08-13
- Last modified
- 2026-08-26
- Sources
- NVD