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EUVD-2026-18452

🗓️ 02 Apr 2026 17:26:58Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 1 Views

Postiz is an AI social media tool; webhooks used IsUrl only, enabling SSRF; fixed in 2.21.4.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-34590
2 Apr 202617:26
attackerkb
CNNVD
Gitroom Postiz 代码问题漏洞
2 Apr 202600:00
cnnvd
CVE
CVE-2026-34590
2 Apr 202617:26
cve
Cvelist
CVE-2026-34590 Postiz: SSRF via Webhook Creation Endpoint Missing URL Safety Validation
2 Apr 202617:26
cvelist
NVD
CVE-2026-34590
2 Apr 202618:16
nvd
Positive Technologies
PT-2026-29855
2 Apr 202600:00
ptsecurity
RedhatCVE
CVE-2026-34590
3 Apr 202623:02
redhatcve
Vulnrichment
CVE-2026-34590 Postiz: SSRF via Webhook Creation Endpoint Missing URL Safety Validation
2 Apr 202617:26
vulnrichment
[
  {
    "enisaIdVendor": [
      {
        "id": "b7333ea0-744a-3a5f-8b3d-75e1e64acd45",
        "vendor": {
          "name": "gitroomhq"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "4c3d73cf-d07a-340c-afa4-808c198c826a",
        "product": {
          "name": "postiz-app"
        },
        "product_version": "< 2.21.4"
      }
    ]
  }
]

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02 Apr 2026 17:26Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.4
EPSS0.00039
1