---
id: CVE-2026-92783
title: >-
  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
summary: >-
  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 legiti…
severity: high
cvss: 8.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H'
cwe:
  - CWE-862
vendor: yeti-platform
product: yeti
affected:
  - yeti <= 2.11.0
published: '2026-09-16'
updated: '2026-09-23'
sourceUpdated: '2026-09-23T17:17:49.237'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-92783'
references:
  - url: 'https://github.com/yeti-platform/yeti'
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/yeti-platform/yeti/blob/2.5.1/core/web/apiv2/rbac.py#L110-L116
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/yeti-platform/yeti/blob/2.5.1/core/web/apiv2/rbac.py#L52-L53
    label: disclosure@vulncheck.com
  - url: 'https://github.com/yeti-platform/yeti/issues/1349'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/yeti-through-2.11.0-missing-authorization-on-rbac-relationship-deletion
    label: disclosure@vulncheck.com
tags:
  - nvd
  - cve.org
  - exploit-available
epss: 0.00369
epssPercentile: 0.3075
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-17T13:48:32.597739Z'
ingestedAt: '2026-09-16T21:05:36.890Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.