CVE-2026-58029
published 2026-07-01CVE-2026-58029: Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Api/ApiChangeAuthenticationData.Php…
PriorityP338medium6.5CVSS 3.1
AVNACLPRNUINSUCLILAN
EPSS
0.35%
27.6th percentile
Vulnerability in Wikimedia Foundation MediaWiki.
This vulnerability is associated with program files includes/Api/ApiChangeAuthenticationData.Php, includes/Api/ApiLinkAccount.Php, includes/Api/ApiRemoveAuthenticationData.Php, includes/Specials/SpecialLinkAccounts.Php, includes/Specials/SpecialUnlinkAccounts.Php.
This issue affects MediaWiki: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.
Affected
5 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| mediawiki | mediawiki | — | — |
| mediawiki | mediawiki | >= 1.43.0 < 1.43.9 | 1.43.9 |
| mediawiki | mediawiki | >= 1.44.0 < 1.44.6 | 1.44.6 |
| mediawiki | mediawiki | >= 1.45.0 < 1.45.4 | 1.45.4 |
| wikimedia_foundation | mediawiki | >= * < 1.46.0, 1.45.4, 1.44.6, 1.43.9 | 1.46.0, 1.45.4, 1.44.6, 1.43.9 |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
nvdv4.05.3MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
VulDB
Wikimedia MediaWiki up to 1.45.x/1.45.3/1.44.5/1.43.8 ApiChangeAuthenticationData.Php, Remote Code Execution (Nessus ID 324027)
vuldb·2026-07-04·CVSS 5.3
CVE-2026-58029 [MEDIUM] Wikimedia MediaWiki up to 1.45.x/1.45.3/1.44.5/1.43.8 ApiChangeAuthenticationData.Php, Remote Code Execution (Nessus ID 324027)
A vulnerability classified as critical has been found in Wikimedia MediaWiki up to 1.45.x/1.45.3/1.44.5/1.43.8. This issue affects some unknown processing of the file includes/Api/ApiChangeAuthenticationData.Php,. This manipulation causes Remote Code Execution.
This vulnerability is tracked as CVE-2026-58029. The attack is possible to be carried out remotely. No exploit exists.
It is recommended to upgrade the affected component.
GHSA
Vulnerability in Wikimedia Foundation MediaWiki.
ghsa_unreviewed·2026-07-01
CVE-2026-58029 [MEDIUM] CWE-287 Vulnerability in Wikimedia Foundation MediaWiki.
Vulnerability in Wikimedia Foundation MediaWiki.
This vulnerability is associated with program files includes/Api/ApiChangeAuthenticationData.Php, includes/Api/ApiLinkAccount.Php, includes/Api/ApiRemoveAuthenticationData.Php, includes/Specials/SpecialLinkAccounts.Php, includes/Specials/SpecialUnlinkAccounts.Php.
This issue affects MediaWiki: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-07-01
Published