1.1

CVE-2025-61649: wikimedia foundation checkuser Path Traversal

CVSS: 1.1v4.0LowDeferred
Published 03-02-2026Last modified 03-03-2026

Vulnerability summary

CVE-2025-61649 is a low (CVSS 1.1) Path Traversal vulnerability in wikimedia foundation checkuser. EPSS estimates a 0.36% chance of exploitation in the next 30 days, higher than 28.7% of scored vulnerabilities.

Overall risk
4/100
0100
Minimal · default modelHow is this calculated?
CVSS score
1.1/10
010
Low · v4.0 (CVE.org)
EPSS score
0.36%
0%100%
Low · +0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 03-02-2026
    PublishedVulnerability first disclosed.
  2. 03-03-2026
    Last modifiedVulnerability information updated.

Description

Vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files src/Services/CheckUserUserInfoCardService.Php. This issue affects CheckUser: from 7cedd58781d261f110651b6af4f41d2d11ae7309.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.36%

Chance of exploitation in the next 30 days

Percentile

29%

Versus all other CVEs

30-day change

+0.04 pp

From 0.33% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.36%

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

Wikimedia foundation1 product
  • checkuser≥ 7cedd58781d261f110651b6af4f41d2d11ae7309 (No fix recorded)

1 vendor · 1 product

References

1 links