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7.5
CVE-2023-31818: Marukyu Line v.13.4.1: Unauthorized Access to Sensitive Information
CVE-2023-31818 · published 3 years ago
Summary
A security issue in Marukyu Line version 13.4.1 allows hackers to access sensitive information by exploiting a weakness in the app's miniapp function. This could put user data at risk. To protect users, update Marukyu Line to the latest version.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| marukyu | marukyu_line |
13.4.1 cpe:2.3:a:marukyu:marukyu_line:13.4.1:*:*:*:*:*:*:* |
Original advisory text
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.
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.
References
- https://github.com/syz913/CVE-reports/blob/main/CVE-2023-31818.md Exploit Third Party Advisory
Internet-facing
14 days
Internal
60 days
- Not known to be exploited
- Can be exploited automatically
- Gives an attacker partial control
Severity
7.5
High
Type
CWE-668Exposure of Resource to Wrong Sphere
Timeline
Published11 Jul 2023
Updated31 Oct 2026
First seen9 Jul 2026
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