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Medium · 5.1 CVE-2025-11146 EUVD-2025-31567GHSA-4g63-h282-h922

Reflected Cross-site scripting (XSS) vulnerability in Apt-Cacher-NG

Published Sep 29, 2025 · Updated Sep 29, 2025 · Assigned by INCIBE

Description

Reflected Cross-site scripting (XSS) in Apt-Cacher-NG v3.2.1. The vulnerability allows an attacker to execute malicious scripts (XSS) in the web management application. The vulnerability is caused by improper handling of GET inputs included in the URL in “/acng-report.html”.

Affected products

VendorProductAffectedFixed
Apt-Cacher-NG Apt-Cacher-NG 3.2.1 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 apt-cacher-ng 3.7.5-1 —
Debian 13 apt-cacher-ng 3.7.5-1 —
Debian 12 apt-cacher-ng No fix yet —
ReleasePackageFixed inAdvisory
Ubuntu 26.10 apt-cacher-ng No fix yet —
Ubuntu 26.04 LTS apt-cacher-ng No fix yet —
Ubuntu 25.10 apt-cacher-ng No fix yet —
Ubuntu 24.04 LTS apt-cacher-ng No fix yet —
Ubuntu 22.04 LTS apt-cacher-ng No fix yet —
Show 3 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu 20.04 LTS apt-cacher-ng No fix yet —
Ubuntu 18.04 LTS apt-cacher-ng No fix yet —
Ubuntu 16.04 LTS apt-cacher-ng No fix yet —

References