CVE-2026-92775
Wiki.js through 2.5.314 Server-Side Request Forgery via Image Prefetch
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-918 |
| Vendor | requarks |
| Product | wiki.js |
| Published | Sep 16, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Affected Versions
requarks / Wiki.js
0 ≤ 2.5.314
References
github.com: https://github.com/geo-chen/oss/blob/main/wiki.md#finding-2-server-side-request-forgery-via-the-image-prefetch-renderer-no-urlhost-validation-on-fetched-image-src github.com: https://github.com/requarks/wiki/blob/v2.5.314/server/modules/rendering/html-image-prefetch/renderer.js#L1-L21 github.com: https://github.com/requarks/wiki vulncheck.com: https://www.vulncheck.com/advisories/wiki-js-through-2.5.314-server-side-request-forgery-via-image-prefetch
Credits
George Chen