CVE-2025-23221
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2025
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Fedify has an Infinite loop and Blind SSRF found inside the Webfinger mechanism
Fedify is a TypeScript library for building federated server apps powered by ActivityPub and other standards. This vulnerability allows a user to maneuver the Webfinger mechanism to perform a GET request to any internal resource on any Host, Port, URL combination regardless of present security mechanisms, and forcing the victim’s server into an infinite loop causing Denial of Service. Moreover, this issue can also be maneuvered into performing a Blind SSRF attack. This vulnerability is fixed in 1.0.14, 1.1.11, 1.2.11, and 1.3.4.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
fedify
- Vendor
- dahlia
- Product
- fedify
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| < 1.0.14 | affected | Unavailable | Unavailable | Unavailable | None listed |
| >= 1.1.0, < 1.1.11 | affected | Unavailable | Unavailable | Unavailable | None listed |
| >= 1.2.0, < 1.2.11 | affected | Unavailable | Unavailable | Unavailable | None listed |
| >= 1.3.0, < 1.3.4 | affected | Unavailable | Unavailable | Unavailable | None listed |