What is CVE-2023-48134?

CVE-2023-48134 is a high-severity vulnerability in Linecorp Line. CVSS score: 7.5/10. Published 2023-11-16.

How severe is CVE-2023-48134?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Linecorp Line

CVE-2023-48134

nagayama_copabowl Line 13.6.1 is vulnerable to Exposure of Sensitive Information to an Unauthorized Actor.

Published 2023-11-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.007 (51.2th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Linecorp Line — versions 13.6.1

References

github.com/syz913/CVE-reports/blob/main/nagayama_copabowl.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-48134?: CVE-2023-48134 is a high-severity vulnerability in Linecorp Line. CVSS score: 7.5/10. Published 2023-11-16.
How severe is CVE-2023-48134?: High severity. CVSS v3 base score is 7.5 out of 10.