CVE-2026-1603
Actively exploited. CVE-2026-1603 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-03-09) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2026-1603 is indexed in Nuclei. Expect opportunistic scanning and exploitation attempts — prioritize remediation.
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
- 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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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 100% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2026-1603 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- NucleiA nuclei-templates detection/PoC template exists for this CVE.look it up ↗
Advisory coverage (1)
- criticalexploitedCVE-2026-1603: Ivanti Endpoint Manager (EPM) Authentication Bypass Vulnerabilitycisa-kev · 2026-03-09
External references
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[](https://www.csirts.com/cve/CVE-2026-1603)