---
id: CVE-2026-104467
title: >-
  YesWiki before 4.6.7 contains an authorization bypass vulnerability in
  ApiService::isAuthorized() that allows unauthenticated attackers to call
  admin-only API routes when public API mode is enabled
summary: >-
  YesWiki before 4.6.7 contains an authorization bypass vulnerability in
  ApiService::isAuthorized() that allows unauthenticated attackers to call
  admin-only API routes when public API mode is enabled. Attackers can send
  requests to endpoin…
severity: high
cvss: 8.1
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-862
vendor: YesWiki
product: yeswiki
affected:
  - yeswiki < 4.6.7
published: '2026-10-02'
updated: '2026-10-02'
sourceUpdated: '2026-10-02T12:17:19.490'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-104467'
references:
  - url: 'https://github.com/YesWiki/yeswiki/security/advisories/GHSA-v527-6r4j-j2w2'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-authorization-bypass-via-public-api-mode
    label: disclosure@vulncheck.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-02T12:17:44.345Z'
---

## Overview

YesWiki before 4.6.7 contains an authorization bypass vulnerability in ApiService::isAuthorized() that allows unauthenticated attackers to call admin-only API routes when public API mode is enabled. Attackers can send requests to endpoints like api/ci/update_config and api/archives to overwrite configuration and list, download, or delete backup archives.

## Remediation

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