PatchSiren cyber security CVE debrief
CVE-2026-12645 Ivanti CVE debrief
CVE-2026-12645 is a Missing Authorization vulnerability in Ivanti Neurons for ITSM before version 2026.2. A remote authenticated attacker can exploit this vulnerability to execute arbitrary code on the server. The vulnerability has a CVSS score of 9.9 and is considered CRITICAL. Ivanti Neurons for ITSM administrators and security teams should assess exposure and apply patches or mitigations. Verify Ivanti Neurons for ITSM instances are running version 2026.2 or later. Immediate attention is required to assess exposure and apply patches or mitigations.
- Vendor
- Ivanti
- Product
- Ivanti Neurons for ITSM
- CVSS
- CRITICAL 9.9
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-09-08
- Original CVE updated
- 2026-09-18
- Advisory published
- 2026-09-08
- Advisory updated
- 2026-09-18
Who should care
Ivanti Neurons for ITSM administrators and security teams should assess exposure and apply patches or mitigations. Security teams should verify Ivanti Neurons for ITSM instances are running version 2026.2 or later. Operators and platform teams should review compensating controls for exposed systems while remediation is scheduled and verified.
Why it matters
CVE-2026-12645 is a CRITICAL vulnerability in Ivanti Neurons for ITSM that requires immediate attention to assess exposure and apply patches or mitigations.
- Remote authenticated attackers can execute arbitrary code on the server
- Immediate attention is required to assess exposure and apply patches or mitigations
- Verify Ivanti Neurons for ITSM instances are running version 2026.2 or later
Technical summary
A Missing Authorization vulnerability in Ivanti Neurons for ITSM before version 2026.2 allows a remote authenticated attacker to execute arbitrary code on the server. The vulnerability has a CVSS score of 9.9 and is considered CRITICAL. The vulnerability is caused by a missing authorization check in Ivanti Neurons for ITSM, which allows an attacker to execute arbitrary code on the server.
Defensive priority
Immediate attention is required to assess exposure and apply patches or mitigations.
Recommended defensive actions
- Assess exposure of Ivanti Neurons for ITSM instances to this vulnerability
- Apply patches or mitigations for affected versions
- Monitor for potential exploitation attempts
Evidence notes
The CVE record and NVD vulnerability detail page provide information on the vulnerability, including its CVSS score and affected versions. The vulnerability is considered CRITICAL with a CVSS score of 9.9. The CVE record was published on 2026-09-08T15:18:40.380Z and has not been modified since then. There is no information on known or unknown affected scope, but defenders should verify Ivanti Neurons for ITSM instances are running version 2026.2 or later.
Sources and references
Verified primary and authoritative sources
-
CVE-2026-12645 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-12645
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-12645 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-12645
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Methodology and review provenance
AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.