CVE-2026-58517
CVE-2026-58517: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Red Hat
1 advisory- Advisory severityCritical9.1
Critical [CVE-2026-58517] Authentication bypass due to improper input neutralization
CVE-2026-58517Source published Source updated
Improper neutralization of input terminators vulnerability in The Wikimedia Foundation Mediawiki - WikiLambda Extension allows Authentication Bypass. This could lead to unauthorized access to the system. Red Hat severity: Critical — CVSS 9.1 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N). Weakness: CWE-140.
- Affected products in this advisory
- No product details extracted. Check the source bulletin.
- Source-reported affected versions
- < 1.43.9
- < 1.44.6
- < 1.45.4
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- To mitigate this vulnerability, disable the MediaWiki WikiLambda Extension if it is not required for your deployment. This can typically be achieved by commenting out or removing the extension's entry in the LocalSettings.php configuration file. Restricting network access to the MediaWiki instance to trusted networks or users can also reduce exposure. Disabling the extension will affect any functionality dependent on WikiLambda.
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