What is CVE-2026-27776?

CVE-2026-27776 is a high-severity vulnerability in Intra-Mart Accel Platform, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2026-02-27.

How severe is CVE-2026-27776?

High severity. CVSS v3 base score is 8.8 out of 10.

Deserialization in Intra-Mart Accel Platform

CVE-2026-27776

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.

Vulnerability class: Insecure Deserialization

EPSS: 0.004 (29.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Intra-mart Accel_platform — versions 8.0.4, 8.0.5, 8.0.6
Ntt Data Intramart Corporation Intra-mart Accel Platform — versions 2017 Spring (8.0.4) through 2025 Autumn (8.0.27)

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

vultures@jpcert.or.jp (Vendor Advisory)
vultures@jpcert.or.jp (Third Party Advisory)

Frequently asked questions

What is CVE-2026-27776?: CVE-2026-27776 is a high-severity vulnerability in Intra-Mart Accel Platform, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2026-02-27.
How severe is CVE-2026-27776?: High severity. CVSS v3 base score is 8.8 out of 10.