What is CVE-2026-40168?

CVE-2026-40168 is a high-severity vulnerability in Gitroomhq Postiz-app, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.2/10. Published 2026-04-10.

How severe is CVE-2026-40168?

High severity. CVSS v3 base score is 8.2 out of 10.

SSRF in Gitroomhq Postiz-app

CVE-2026-40168

Postiz is an AI social media scheduling tool. Prior to 2.21.5, the /api/public/stream endpoint is vulnerable to SSRF. Although the application validates the initially supplied URL and blocks direct private/internal hosts, it does not re-va…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.001 (24.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L.

Affected products

Gitroomhq Postiz-app — versions < 2.21.5

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

https://github.com/gitroomhq/postiz-app/security/advisories/GHSA-34w8-5j2v-h6ww (x_refsource_CONFIRM)
https://github.com/gitroomhq/postiz-app/commit/30e8b777098157362769226d1b46d83ad616cb06 (x_refsource_MISC)
https://github.com/gitroomhq/postiz-app/releases/tag/v2.21.5 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-40168?: CVE-2026-40168 is a high-severity vulnerability in Gitroomhq Postiz-app, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.2/10. Published 2026-04-10.
How severe is CVE-2026-40168?: High severity. CVSS v3 base score is 8.2 out of 10.