Description
YesWiki before 4.7.0 contains an unauthenticated server-side request forgery vulnerability that allows remote attackers to fetch arbitrary URLs by supplying [[|URL]] wiki syntax to the render handler. Attackers can pass the syntax in the content parameter of the page render handler to reach internal hosts and ports and read their responses.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| YesWiki | yeswiki | < 4.7.0 | 4.7.0 |
Automated scanner template
A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.
- YesWiki < 4.7.0 - Unauthenticated Server-Side Request Forgery http/cves/2026/CVE-2026-116205.yaml
Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.
References
- GitHub Security Advisory (GHSA-x9j5-r988-9jcc) vendor-advisory
- VulnCheck Advisory: YesWiki before 4.7.0 Unauthenticated SSRF via [[|URL]] Raw-Inclusion Syntax third-party-advisory