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| Reporter | Title | Published | Views | Family All 12 |
|---|---|---|---|---|
 | CVE-2026-42180 | 8 May 202619:29 | – | attackerkb |
 | CVE-2026-42180 | 20 Apr 202614:11 | – | circl |
 | Lemmy 代码问题漏洞 | 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 |
 | GHSA-3JVJ-V6W2-H948 Lemmy has SSRF in /api/v3/post via Webmention dispatch | 24 Apr 202615:22 | – | osv |
 | PT-2026-37169 | 24 Apr 202600:00 | – | ptsecurity |
 | CVE-2026-42180 | 13 May 202620:23 | – | redhatcve |
10
[
{
"vendor": "LemmyNet",
"product": "lemmy",
"versions": [
{
"version": "< 0.19.18",
"status": "affected"
}
]
}
]| Parameter | Position | Path | Description | CWE |
|---|---|---|---|---|
| url | request body | /api/v3/post | Authenticated user can submit a post with a URL that triggers Webmention to attacker-controlled destination, potentially causing server-side requests to internal services. | CWE-918 |
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17 Jun 2026 10:47Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.16.3
EPSS0.00184
SSVC