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CISA Adds One Known Exploited Vulnerability to Catalog

medcisa_advisoriesPublished 2026-06-29

<p>CISA has added one new vulnerability to its <a href="https://www.cisa.gov/known-exploited-vulnerabilities-catalog">Known Exploited Vulnerabilities (KEV) Catalog</a>, based on evidence of active exploitation.</p> <ul> <li><a href="https://www.cve.org/CVERecord?id=CVE-2026-48558" target="_blank">CVE-2026-48558</a> SimpleHelp Authentication Bypass Vulnerability</li> </ul> <p>This type of vulnerabi

MITRE ATT&CK techniques

VulnerabilitiesT1588.006

Indicators of compromise

CVE-2026-48558cve
https://www.cve.org/CVERecord?id=CVE-2026-48558url
https://cisasurvey.gov1.qualtrics.com/jfe/form/SV_1Zwu52kgK2OYf3wurl

Original source: https://www.cisa.gov/news-events/alerts/2026/06/29/cisa-adds-one-known-exploited-vulnerability-catalog