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CVE-2026-1603: Ivanti Endpoint Manager (EPM) Authentication Bypass Vulnerability

criticalknown exploitedpublic exploitCVE-2026-1603
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Ivanti Endpoint Manager (EPM) contains an authentication bypass using an alternate path or channel vulnerability that could allow a remote unauthenticated attacker to leak specific stored credential data.

CSIRTS triage

vendor: Ivantiproduct: Endpoint Manager (EPM)Authentication bypass
What
The vulnerability allows a remote unauthenticated attacker to leak specific stored credential data.
Who is affected
Deployments of Ivanti Endpoint Manager are affected by this vulnerability.
Urgency
Remediation is urgent as the vulnerability is actively exploited and has critical severity.
Action
Update Ivanti Endpoint Manager to the latest version to mitigate this vulnerability.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2026-03-09
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-1603

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-1603coverage & exploitation statusNVD · CVE.org

Recent advisories for Ivanti Endpoint Manager

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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