CVE-2023-39736

8.2 highEPSS 0.7%

High (8.2) in linecorp fukunaga memberscard. EPSS 0.7% chance of exploitation in the next 30 days.

The leakage of the client secret in Fukunaga_memberscard Line 13.6.1 allows attackers to obtain the channel access token and send crafted broadcast messages.

Severity

CVSS 3.1

8.2 high

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

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 53% of CVEs (scores of 2026-10-31)
CWE: CWE-200
Published: 2023-10-25
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

linecorp:fukunaga_memberscard

References

https://github.com/syz913/CVE-reports/blob/main/CVE-2023-39736.md
https://liff.line.me/1657606123-4Kp0xVrP
https://github.com/syz913/CVE-reports/blob/main/CVE-2023-39736.md
https://liff.line.me/1657606123-4Kp0xVrP

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