Vulnerability · Published Feb 2, 2026 · Assigned by wikimedia-foundation
CVE-2025-6592Creating a permanent account from a temporary account associates temp username and IP address with real username in AbuseLog
Low 2.1
In plain English
A low-severity improper access control in AbuseFilter from Wikimedia Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 4.0)2.1Low
Exploit odds (30 days)0.4%top 65.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Vulnerability in Wikimedia Foundation AbuseFilter. This vulnerability is associated with program files includes/auth/AuthManager.Php. This issue affects AbuseFilter: from fe0b1cb9e9691faf4d8d9bd80646589f6ec37615 before 1.43.2, 1.44.0.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:13 | mediawiki | 1:1.43.3+dfsg-1 | DEBIAN-CVE-2025-6592 |
| Debian:14 | mediawiki | 1:1.43.3+dfsg-1 | DEBIAN-CVE-2025-6592 |
| Ubuntu:25.10 | mediawiki | no fix listed | UBUNTU-CVE-2025-6592 |
| Ubuntu:26.04:LTS | mediawiki | no fix listed | UBUNTU-CVE-2025-6592 |
| Ubuntu:26.10 | mediawiki | no fix listed | UBUNTU-CVE-2025-6592 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Wikimedia Foundation | AbuseFilter | fe0b1cb9e9691faf4d8d9bd80646589f6ec37615 – before 1.43.2, 1.44.0 |
Weakness: CWE-284 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N