What is CVE-2026-104467?

CVE-2026-104467 is a high-severity vulnerability in Yeswiki, classified under Missing Authorization. CVSS score: 8.1/10. Published 2026-10-02.

How severe is CVE-2026-104467?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Yeswiki

CVE-2026-104467

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.

Vulnerability class: Broken Access Control

Published 2026-10-02 · last modified 2026-10-02.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Yeswiki

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

GitHub Security Advisory (GHSA-v527-6r4j-j2w2) (vendor-advisory)
VulnCheck Advisory: YesWiki before 4.6.7 Authorization Bypass via Public API Mode (third-party-advisory)

Frequently asked questions

What is CVE-2026-104467?: CVE-2026-104467 is a high-severity vulnerability in Yeswiki, classified under Missing Authorization. CVSS score: 8.1/10. Published 2026-10-02.
How severe is CVE-2026-104467?: High severity. CVSS v3 base score is 8.1 out of 10.