Server-side Request Forgery (SSRF) Affecting lemmy_api_common package, versions <0.19.18-beta.3
Threat Intelligence
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.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applicationsSnyk Learn
Learn about Server-side Request Forgery (SSRF) vulnerabilities in an interactive lesson.
Start learning- Snyk IDSNYK-RUST-LEMMYAPICOMMON-16321513
- published29 Apr 2026
- disclosed24 Apr 2026
- creditUnknown
Introduced: 24 Apr 2026
NewCVE-2026-42181 (opens in a new tab)How to fix?
Upgrade lemmy_api_common to version 0.19.18-beta.3 or higher.
Overview
Affected versions of this package are vulnerable to Server-side Request Forgery (SSRF) via the extract_opengraph_data process. An attacker can access internal image resources and expose otherwise restricted content by submitting a crafted external page containing an Open Graph image tag that points to an internal URL, which is then fetched and cached by the server.