What is the CVSS score of CVE-2026-27776?

CVE-2026-27776 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

How to fix or mitigate CVE-2026-27776?

Within 24 hours: Identify all systems running IM-LogicDesigner and assess network exposure; restrict access to the module via firewall rules and network segmentation. Within 7 days: Deploy WAF rules to block malicious deserialization payloads; implement enhanced logging and monitoring for suspicious activity. Within 30 days: Evaluate disabling IM-LogicDesigner if not business-critical; monitor vendor advisories for patch release and prepare deployment plan; conduct vulnerability assessment of dependent systems.

Accel Platform CVE-2026-27776

HIGH

Deserialization of Untrusted Data (CWE-502)

2026-02-27 vultures@jpcert.or.jp

Deserialization RCE Accel Platform

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

CVE Published

Feb 27, 2026 - 08:17 nvd

HIGH 8.8

DescriptionCVE.org

IM-LogicDesigner module of intra-mart Accel Platform contains insecure deserialization issue. This can be exploited only when IM-LogicDesigner is deployed on the system. Arbitrary code may be executed when some crafted file is imported by a user with the administrative privilege.

AnalysisAI

Remote code execution in intra-mart Accel Platform's IM-LogicDesigner module through insecure deserialization of crafted files imported by administrative users. An attacker with admin privileges can execute arbitrary code by importing a malicious file, with no patch currently available. The vulnerability affects all deployments where IM-LogicDesigner is enabled.

Technical ContextAI

Classified as CWE-502 (Deserialization of Untrusted Data). IM-LogicDesigner module of intra-mart Accel Platform contains insecure deserialization issue. This can be exploited only when IM-LogicDesigner is deployed on the system. Arbitrary code may be executed when some crafted file is imported by a user with the administrative privilege.