Vulnerability · Published Sep 16, 2026 · Assigned by VulnCheck
CVE-2026-92783Yeti through 2.11.0 Missing Authorization on RBAC Relationship Deletion
High 8.1
In plain English
A high-severity missing authorization in yeti from yeti-platform. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).
Severity (CVSS 3.1)8.1High
Exploit odds (30 days)0.5%top 56.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
Yeti through 2.11.0 fails to validate caller permissions in the DELETE /api/v2/rbac/{id} endpoint, allowing users with read access to delete access control relationships. Attackers can revoke the owner's grant and permanently lock legitimate owners out of objects.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| yeti-platform | yeti | 0 – through 2.11.0 |
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
References
- GitHub Issue #1349 issue-tracking
- https://github.com/yeti-platform/yeti product
- the delete handler performs no permission check technical-description
- sibling handlers require Role.OWNER technical-description
- VulnCheck Advisory: Yeti through 2.11.0 Missing Authorization on RBAC Relationship Deletion third-party-advisory