CVE-2025-53641

8.2 highEPSS 0.3%

High (8.2). EPSS 0.3% chance of exploitation in the next 30 days.

Postiz is an AI social media scheduling tool. From 1.45.1 to 1.62.3, the Postiz frontend application allows an attacker to inject arbitrary HTTP headers into the middleware pipeline. This flaw enables a server-side request forgery (SSRF) condition, which can be exploited to initiate unauthorized outbound requests from the server hosting the Postiz application. This vulnerability is fixed in 1.62.3.

Severity

CVSS 3.1

8.2 high

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

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 20% of CVEs (scores of 2026-10-31)
CWE: CWE-918
Published: 2025-07-11
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

https://github.com/gitroomhq/postiz-app/commit/65eca0e2f22155b43c78724ca43617ee52e42753
https://github.com/gitroomhq/postiz-app/security/advisories/GHSA-48c8-25jq-m55f

Check your stack JSON