CVE-2023-31818: Marukyu Line

High severity, CVSS 7.5. EPSS: 1% chance of exploitation in the next 30 days.

An issue found in Marukyu Line v.13.4.1 allows a remote attacker to gain access to sensitive information via the channel access token in the miniapp function.

Affected products

• Marukyu Marukyu Line: version 13.4.1 only

Published 2023-07-11. Last modified 2026-07-09.