| Reporter | Title | Published | Views | Family All 14 |
|---|---|---|---|---|
 | CVE-2026-42180 | 8 May 202619:29 | – | attackerkb |
 | CVE-2026-42180 | 20 Apr 202614:11 | – | circl |
 | Lemmy code issue vulnerabilities | 8 May 202600:00 | – | cnnvd |
 | CVE-2026-42180 Lemmy: SSRF in /api/v3/post via Webmention dispatch | 8 May 202619:29 | – | cvelist |
 | EUVD-2026-28819 | 8 May 202619:29 | – | euvd |
 | Lemmy has SSRF in /api/v3/post via Webmention dispatch | 24 Apr 202615:22 | – | github |
 | CVE-2026-42180 | 8 May 202620:16 | – | nvd |
 | CVE-2026-42180 Lemmy: SSRF in /api/v3/post via Webmention dispatch | 8 May 202619:29 | – | osv_cve |
| GHSA-3JVJ-V6W2-H948 Lemmy has SSRF in /api/v3/post via Webmention dispatch | 24 Apr 202615:22 | – | osv_ghsa |
 | PT-2026-36861 | 24 Apr 202600:00 | – | ptsecurity |
10
Node
[
{
"vendor": "LemmyNet",
"product": "lemmy",
"versions": [
{
"version": "< 0.19.18",
"status": "affected"
}
]
}
]| Parameter | Position | Path | Description | CWE |
|---|---|---|---|---|
| url | request body | /api/v3/post | An authenticated low-privileged user can create a link post containing a loopback, private, or link-local URL. The backend asynchronously sends a Webmention request to this URL, leading to Server-Side Request Forgery (SSRF). | CWE-918 |
Data
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26 Oct 2026 18:10Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.16.3
EPSS0.00184
SSVC