CVE-2026-58031: mediawiki 1.46.0 · update rc0; +1 more affected products

CVE-2026-58031. CVSS 3.1 base score 5.4 (MEDIUM, NVD). EPSS 0.00267 (percentile 0.17942), scored 24-Oct-2026.

Affected technology

mediawiki · 1.46.0 · update rc0
mediawiki

MediaWiki · 1.46.0-rc.0 to before 1.46.0
Wikimedia Foundation

Component: Not specified by the source
File: resources/src/mediawiki.special.apisandbox/ApiSandboxLayout.js

Attack conditions (Source advisory, CVSS 4.0): Network (remote) · Low privileges required · Passive user interaction

What an attacker can do

Source advisory’s CVSS 4.0 assessment (base score 0.0/10) rates confidentiality, integrity and availability impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 25-Oct-2026 19:52 UTC

CWE: CWE-79
CCR priority: 21.7 /100 (P4)
CVSS 3.1: 5.4 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N · NVD
EPSS: 0.00267 · percentile 0.18705 · 2026-10-25
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-25 19:52:47.952465+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-25 19:51:06.643138+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-58031.html