Auth bypass in Ivanti Endpoint Manager

CVE-2026-1603

An authentication bypass in Ivanti Endpoint Manager before version 2024 SU5 allows a remote unauthenticated attacker to leak specific stored credential data.

EPSS: 0.806 (99.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: .

Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

References

Frequently asked questions

What is CVE-2026-1603?
CVE-2026-1603 is a high-severity vulnerability in Ivanti Endpoint Manager, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 8.6/10. Published 2026-02-10.
How severe is CVE-2026-1603?
High severity. CVSS v3 base score is 8.6 out of 10.
Is CVE-2026-1603 known to be exploited?
Yes. CVE-2026-1603 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-03-09), indicating it is being actively exploited.