Critical [CVE-2026-58517] Authentication bypass due to improper input neutralization
This critical-severity Red Hat Linux advisory covers CVE-2026-58517.
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Summary
Authentication bypass due to improper input neutralization. Red Hat rates this critical (CVSS 9.1).
Weakness: CWE-140.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 1 month ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 1 month ago·verify at source
Mitigation checklist
- 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.
Official advisory · high-confidence parse· fetched 1 month ago·verify at source
Discussion(0)
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