CVE-2026-92775 Wiki.js through 2.5.314 Server-Side Request Forgery via Image Prefetch
Attackers with page editing permissions can exploit Wiki.js Image Prefetch to access internal services and cloud metadata via SSRF.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-92775?
CVE-2026-92775 is a high-severity server-side request forgery vulnerability in requarks Wiki.js, published on 16 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Wiki.js through 2.5.314 contains a server-side request forgery vulnerability in the Image Prefetch renderer that fetches arbitrary URLs without protocol, host, or address validation. Attackers with page editing permissions can inject img elements with the prefetch-candidate class to make the server request internal services and cloud metadata endpoints, with responses returned to the attacker.
Weakness: CWE-918
Which versions are affected by CVE-2026-92775?
How do I fix CVE-2026-92775?
No fix has been published for CVE-2026-92775 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-92775 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-92775 exists.
Sources
Also known as GHSA-7mqp-q79v-g27v.