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  5. GHSA-89v5-38xr-9m4j

GHSA-89v5-38xr-9m4j: Postiz has Multiple SSRF Vectors - Webhooks, RSS Feed, URL Loader

March 27, 2026

Postiz has multiple SSRF vulnerabilities where user-provided URLs are fetched server-side without any IP validation or SSRF protection.

References

  • github.com/advisories/GHSA-89v5-38xr-9m4j
  • github.com/gitroomhq/postiz-app
  • github.com/gitroomhq/postiz-app/commit/0ad89ccd26b1c387c4f3f3544b18c20d33586466
  • github.com/gitroomhq/postiz-app/commit/be5d871896e97cb1f5a2c9241f156b6a1e1debe8
  • github.com/gitroomhq/postiz-app/releases/tag/v2.21.2
  • github.com/gitroomhq/postiz-app/security/advisories/GHSA-89v5-38xr-9m4j

Code Behaviors & Features

Detect and mitigate GHSA-89v5-38xr-9m4j with GitLab Dependency Scanning

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Affected versions

All versions up to 2.0.12

Solution

Unfortunately, there is no solution available yet.

Impact 9.3 CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N

Learn more about CVSS

Weakness

  • CWE-918: Server-Side Request Forgery (SSRF)

Source file

npm/postiz/GHSA-89v5-38xr-9m4j.yml

Spotted a mistake? Edit the file on GitLab.

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