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Vulnerability record · CVE-2026-92783 · published 16 September 2026

CVE-2026-92783: Missing authorization vulnerability

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.

7.2 CVSS 4.0 High EPSS 0.50% · top 59.3% CWE-862 · Missing authorization Deferred
7.2CVSS 4.0 base score
0.50%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
5References
23 Sep 2026Last modified by NVD

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/yeti-platform/yeti
https://github.com/yeti-platform/yeti/blob/2.5.1/core/web/apiv2/rbac.py#L110-L116
https://github.com/yeti-platform/yeti/blob/2.5.1/core/web/apiv2/rbac.py#L52-L53
https://github.com/yeti-platform/yeti/issues/1349
https://www.vulncheck.com/advisories/yeti-through-2.11.0-missing-authorization-on-rbac-relationship-deletion

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Source: NIST National Vulnerability Database (record CVE-2026-92783), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.