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CVE-2025-48866

nvd nist
Published: Jun 2, 2025Modified: Jun 17, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 3.6
Source: security-advisories@github.com (Secondary)

Description

ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. Versions prior to 2.9.10 contain a denial of service vulnerability similar to GHSA-859r-vvv8-rm8r/CVE-2025-47947. The `sanitiseArg` (and `sanitizeArg` - this is the same action but an alias) is vulnerable to adding an excessive number of arguments, thereby leading to denial of service. Version 2.9.10 fixes the issue. As a workaround, avoid using rules that contain the `sanitiseArg` (or `sanitizeArg`) action.

Affected (1)

Products: Owasp: Modsecurity
Owasp
1 product
Modsecurity
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Modsecurity
Before 2.9.10

Related CWEs

CWE-1050
Excessive Platform Resource Consumption within a Loop
The product has a loop body or loop condition that contains a control element that directly or indirectly consumes platform resources, e.g. messaging, sessions, locks, or file descriptors.

References (5)

Source: security-advisories@github.com
Patch
Source: security-advisories@github.com
Not Applicable
Source: security-advisories@github.com
ExploitVendor Advisory
Source: security-advisories@github.com
Product
Source: af854a3a-2127-422b-91ae-364da2661108
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Timeline

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