CVE-2025-53641— Postiz allows header mutation in middleware facilitates resulting in SSRF
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I. Basic Information for CVE-2025-53641
Vulnerability Information
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Vulnerability Title
Postiz allows header mutation in middleware facilitates resulting in SSRF
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
服务端请求伪造(SSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Gitroom Postiz 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Gitroom Postiz是Gitroom开源的一个社交媒体日程安排工具。 Gitroom Postiz 1.45.1至1.62.3版本存在代码问题漏洞，该漏洞源于HTTP头注入，可能导致服务端请求伪造。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| gitroomhq | postiz-app | >= 1.45.1, < 1.62.3 | - |
II. Public POCs for CVE-2025-53641
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|---|
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IV. Related Vulnerabilities
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Postiz stored XSS in public preview page - CVE-2026-42346
Postiz: TOCTOU DNS rebinding bypasses all SSRF URL validatio - CVE-2026-42298
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Postiz Has Unrestricted File Upload via MIME Type Spoofing t - CVE-2026-40168
Postiz has Server-Side Request Forgery via Redirect Bypass i
Same vendor: gitroomhq
- CVE-2026-42556
Postiz stored XSS in public preview page - CVE-2026-42346
Postiz: TOCTOU DNS rebinding bypasses all SSRF URL validatio - CVE-2026-42298
Postiz: Arbitrary Code Execution and Token Exfiltration in p - CVE-2026-40487
Postiz Has Unrestricted File Upload via MIME Type Spoofing t - CVE-2026-40168
Postiz has Server-Side Request Forgery via Redirect Bypass i
Same weakness: CWE-918
- CVE-2026-8193
Akaunting Invoice PDF Rendering dompdf.php server-side reque - CVE-2026-44313
LinkWarden: Server-Side Request Forgery (SSRF) in Link Creat - CVE-2026-42352
pygeoapi 0.23.x: Unauthenticated SSRF via OGC API - Processe - CVE-2026-42346
Postiz: TOCTOU DNS rebinding bypasses all SSRF URL validatio - CVE-2026-42339
New API: SSRF Filter Bypass via 0.0.0.0
V. Comments for CVE-2025-53641
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