Blocked users can create and edit WikiLambda objects_CVE-2026-58517

6.9 / 10

MEDIUM

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

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.

Basic Information

ID CVE-2026-58517

Source wikimedia-foundation

Published Jul 1, 2026 at 18:23

Modified Jul 1, 2026 at 18:35

Affected Product

Vendor The Wikimedia Foundation

Product Mediawiki - WikiLambda Extension

Version *

Affected Versions The Wikimedia Foundation Mediawiki - WikiLambda Extension *

CWE Classification

CWE-288

References

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    "lastseen": "",
    "description": "Improper neutralization of input terminators vulnerability in The Wikimedia Foundation Mediawiki - WikiLambda Extension allows Authentication Bypass.\n\nThis issue affects Mediawiki - WikiLambda Extension: from * before 1.43.9,1.44.6,1.45.4.",
    "published": "2026-07-01T18:23:02.161Z",
    "modified": "2026-07-01T18:35:06.496Z",
    "type": "cve",
    "title": "Blocked users can create and edit WikiLambda objects",
    "source": "wikimedia-foundation",
    "references": "https://phabricator.wikimedia.org/T428833\nhttps://gerrit.wikimedia.org/r/c/1305376",
    "id": "CVE-2026-58517",
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    "cwe": [
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    "sourceData": "The Wikimedia Foundation Mediawiki - WikiLambda Extension *",
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        "score": 6.9,
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    "href": "",
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    "product": "Mediawiki - WikiLambda Extension",
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