Server-side Request Forgery (SSRF) Affecting lemmy_routes package, versions <0.19.16-beta.1
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-RUST-LEMMYROUTES-15440533
- published8 Mar 2026
- disclosed6 Mar 2026
- creditq1uf3ng
Introduced: 6 Mar 2026
NewCVE-2026-29178 (opens in a new tab)How to fix?
Upgrade lemmy_routes to version 0.19.16-beta.1 or higher.
Overview
Affected versions of this package are vulnerable to Server-side Request Forgery (SSRF) via the file_type query parameter in the /api/v4/image/{filename} endpoint. An attacker can make the server initiate arbitrary requests to internal or external URLs by injecting parameters that are forwarded to the internal pict-rs service.