On 2026-03-09, CISA added CVE-2026-1603 (Ivanti Endpoint Manager (EPM)) to its Known Exploited Vulnerabilities (KEV) catalog [2]. The vulnerability is listed in the catalog as "Ivanti Endpoint Manager (EPM) Authentication Bypass Vulnerability" [2]. CISA requires remediation in accordance with the listed vendor mitigation guidance; see the original text in the body for specific requirements [2].
Backfill: this event became public on Mar 9, 2026 and we added it on Nov 10, 2026. It is not a new event.
CISA Adds Ivanti Endpoint Manager (EPM) Vulnerability CVE-2026-1603 to Known Exploited Vulnerabilities Catalog
1 min read
- Disclosed
- Mar 9, 2026
- Published
- Nov 10, 2026
- Last updated
- Nov 8, 2026
- CVSS basis
- Our assessment
- 88.3%, higher than 100% of CVEs
- Exploitation and patch status
- ExploitedKEV
- Attack vector
- Vulnerability status
- Actor type
- Motivation
On this page
30-second summary
What happened
Who is affected
Industries mainly affected: Government, Cross-industry
What to do nowOur advice
CISA requires remediation in accordance with the listed vendor mitigation guidance; see the original text in the body for specific requirements [2].
Timeline
Technical details
CISA KEV Listing Record
CISA added CVE-2026-1603 (Ivanti Endpoint Manager (EPM)) to the Known Exploited Vulnerabilities () catalog on 2026-03-09 [2].
Original Technical Description
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. [2]
Official 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. [2]
Individual Vulnerability Record
The U.S. National Vulnerability Database (NVD) provides an independent vulnerability record and description for CVE-2026-1603 [1].
References
Official / primary3
- [1]
“An authentication bypass in Ivanti Endpoint Manager before version 2024 SU5 allows a remote unauthenticated attacker to leak specific stored credential data.”
- [2]CISA2026-03-09Accessed 2026-11-07
This site aggregates public information and is not security consulting advice. Test remediation steps before applying.