Vulnerability · Published Oct 2, 2026 · Assigned by VulnCheck
CVE-2026-104472YesWiki before 4.6.7 Missing Authorization via Attachment Download Handler
High 7.5
In plain English
A high-severity missing authorization in yeswiki from YesWiki. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.3%top 71.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
YesWiki before 4.6.7 contains a missing authorization vulnerability in the attachment download handler that allows unauthenticated attackers to bypass page read ACLs. Attackers can request the download handler with a known page tag and file parameter to retrieve confidential attachments from read-restricted pages.
Affected products (as reported)
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
References
- GitHub Security Advisory (GHSA-7cj2-9pgf-vcw2) vendor-advisory
- VulnCheck Advisory: YesWiki before 4.6.7 Missing Authorization via Attachment Download Handler third-party-advisory