5.4

CVE-2025-11146: apt-cacher-ng_project apt-cacher-ng Cross-site Scripting

CVSS: 5.4v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2025-11146DEBIAN-CVE-2025-11146
Published 29-09-2025Last modified 29-09-2025

Vulnerability summary

CVE-2025-11146 is a medium (CVSS 5.4) Cross-site Scripting vulnerability in apt-cacher-ng_project apt-cacher-ng. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 7% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.4/10
010
Medium · v3.1 (NVD)
EPSS score
0.18%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 29-09-2025
    PublishedVulnerability first disclosed.
  2. 29-09-2025
    Last modifiedVulnerability information updated.

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”.

CVSS metrics

6 scores · 4 sources · 2 versions

EPSS trend

Probability

0.18%

Chance of exploitation in the next 30 days

Percentile

7%

Versus all other CVEs

30-day change

0.00 pp

From 0.18% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.18%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Apt-cacher-ng1 product
Apt-cacher-ng_project1 product
Debian1 product
  • apt-cacher-ngAll versions (No fix recorded) | < 3.7.5-1
Ubuntu1 product
  • apt-cacher-ngAll versions (No fix recorded)

4 vendors · 4 products

References

4 links