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CVE-2025-29914— OWASP Coraza WAF has parser confusion which leads to wrong URI in `REQUEST_FILENAME`

Quick assessment

Affected
corazawaf coraza
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OWASP Coraza WAF是Coraza开源的一个 golang modsecurity 兼容的 Web 应用程序防火墙库。 OWASP Coraza WAF 3.3.3之前版本存在安全漏洞，该漏洞源于对以//开头的URI请求处理不当，可能导致规则绕过。

CVSS 5.4 · Medium EPSS 0.31% · P22

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-29914

Vulnerability Information
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Vulnerability Title
OWASP Coraza WAF has parser confusion which leads to wrong URI in `REQUEST_FILENAME`
Source: CVE Program / CVE List V5
Vulnerability Description
OWASP Coraza WAF is a golang modsecurity compatible web application firewall library. Prior to 3.3.3, if a request is made on an URI starting with //, coraza will set a wrong value in REQUEST_FILENAME. For example, if the URI //bar/uploads/foo.php?a=b is passed to coraza: , REQUEST_FILENAME will be set to /uploads/foo.php. This can lead to a rules bypass. This vulnerability is fixed in 3.3.3.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用不正确的解析名称或索引
Source: CVE Program / CVE List V5
Vulnerability Title
OWASP Coraza WAF 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OWASP Coraza WAF是Coraza开源的一个 golang modsecurity 兼容的 Web 应用程序防火墙库。 OWASP Coraza WAF 3.3.3之前版本存在安全漏洞，该漏洞源于对以//开头的URI请求处理不当，可能导致规则绕过。
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
corazawaf coraza < 3.3.3 -

II. Public POCs for CVE-2025-29914

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III. Intelligence Information for CVE-2025-29914

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Patches & Fixes for CVE-2025-29914 (1)

Vendor Advisories for CVE-2025-29914 (1)

IV. Related Vulnerabilities

Same product: coraza
Same vendor: corazawaf
Same weakness: CWE-706

V. Comments for CVE-2025-29914

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