Medium severity5.3NVD Advisory· Published Jan 7, 2026· Updated Jun 17, 2026

CVE-2026-0668

Description

Inefficient Regular Expression Complexity vulnerability in Wikimedia Foundation MediaWiki - VisualData Extension allows Regular Expression Exponential Blowup.This issue affects MediaWiki - VisualData Extension: 1.45.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Wikisphere/Visualdata
cpe:2.3:a:wikisphere:visualdata:-:*:*:*:*:mediawiki:*:*
Wikimedia Foundation/Mediawikillm-fuzzy
Range: 1.45
Wikimedia Foundation/Mediawiki Extensions Visualdatallm-fuzzy
Range: 1.45

Patches

Vulnerability mechanics

References

gerrit.wikimedia.org/r/q/I4ff2737c9f0ba805267d1fc8296e7cff61241ee3nvdPatch
gerrit.wikimedia.org/r/q/I893a9fca694a2613e29e149dea2d76d7f06063e5nvdPatch
gerrit.wikimedia.org/r/q/Ie08d9a8ceb2c9a22a635cfc27964353f14072dbfnvdPatch
gerrit.wikimedia.org/r/q/Ifbf9c2ade621226e14fe852f3217293772bf8bb8nvdPatch
phabricator.wikimedia.org/T387008nvdExploitIssue Tracking

News mentions

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cvss	0.345
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000