SSRF in Gitroom Postiz
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: 0.004 (29.5th 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
- Gitroom Postiz
- Gitroomhq Postiz-app — versions < 2.21.5
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Mitigation, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Product, x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2026-40168?
- CVE-2026-40168 is a high-severity vulnerability in Gitroom Postiz, 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.