SSRF in Yeswiki
CVE-2026-104442
YesWiki before 4.6.7 contains an unauthenticated server-side request forgery vulnerability that allows remote attackers to make the server fetch arbitrary URLs by supplying a syndication action through the render handler's content parameter. Attackers can target internal hosts and ports, read back fetched feed content in the rendered page, and cause feed enclosures to be downloaded into the files directory.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N.
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
Weakness classification (CWE)
References
- GitHub Security Advisory (GHSA-jwh5-j4f4-c6xp) (vendor-advisory)
- VulnCheck Advisory: YesWiki before 4.6.7 Unauthenticated SSRF via syndication Action (third-party-advisory)
Frequently asked questions
- What is CVE-2026-104442?
- CVE-2026-104442 is a medium-severity vulnerability in Yeswiki, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.8/10. Published 2026-10-02.
- How severe is CVE-2026-104442?
- Medium severity. CVSS v3 base score is 5.8 out of 10.