| Reporter | Title | Published | Views | Family All 9 |
|---|---|---|---|---|
 | CVE-2026-34590 | 2 Apr 202617:26 | – | attackerkb |
 | Gitroom Postiz 代码问题漏洞 | 2 Apr 202600:00 | – | cnnvd |
 | CVE-2026-34590 Postiz: SSRF via Webhook Creation Endpoint Missing URL Safety Validation | 2 Apr 202617:26 | – | cvelist |
 | EUVD-2026-18452 | 2 Apr 202617:26 | – | euvd |
 | CVE-2026-34590 | 2 Apr 202618:16 | – | nvd |
 | CVE-2026-34590 Postiz: SSRF via Webhook Creation Endpoint Missing URL Safety Validation | 2 Apr 202617:26 | – | osv |
 | PT-2026-29855 | 2 Apr 202600:00 | – | ptsecurity |
 | CVE-2026-34590 | 3 Apr 202623:02 | – | redhatcve |
 | CVE-2026-34590 Postiz: SSRF via Webhook Creation Endpoint Missing URL Safety Validation | 2 Apr 202617:26 | – | vulnrichment |
[
{
"vendor": "gitroomhq",
"product": "postiz-app",
"versions": [
{
"version": "< 2.21.4",
"status": "affected"
}
]
}
]| Parameter | Position | Path | Description | CWE |
|---|---|---|---|---|
| url | request body | /webhooks/ | POST /webhooks/ validates only the URL format, missing the safe-URL check that blocks internal addresses, enabling blind SSRF via the stored webhook URL. | CWE-918 |
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24 Jul 2026 21:10Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.4
EPSS0.00226
SSVC