Dashboard / CVE-2026-58517

CVE-2026-58517

MEDIUM
MEDIUM Priority: 0.02 BB Relevance: 74/100
Published: 2026-07-01 Modified: 2026-10-25 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: X
AT: None
VC: Low
VI: Low
VA: Low

Description

Improper neutralization of input terminators vulnerability in The Wikimedia Foundation Mediawiki - WikiLambda Extension allows Authentication Bypass. This issue affects Mediawiki - WikiLambda Extension: from * before 1.43.9,1.44.6,1.45.4.

Weakness Classification (1)

Affected Software (3)

VendorProductVersion
mediawiki mediawiki 1.43.0 – 1.43.9
mediawiki mediawiki 1.44.0 – 1.44.6
mediawiki mediawiki 1.45.0 – 1.45.4

References & Advisories (2)

https://phabricator.wikimedia.org/T428833
Issue Tracking Vendor Advisory

Bug Bounty Relevance

74 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

6.9 / 10.0 v4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/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

EPSS — Exploitation Probability

0.33%
Raw Score 0.003290
Percentile 26.0%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00329
2026-10-28
0.00329

Intelligence Sources

nvd ref →

External Links