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Vulnerability record · CVE-2023-45559 · published 3 January 2024

CVE-2023-45559: Linecorp line vulnerability

Linecorp · Line

An issue in Tamaki_hamanoki Line v.13.6.1 allows attackers to send crafted notifications via leakage of the channel access token.

8.2 CVSS 3.1 High EPSS 0.49% · top 60.6%
8.2CVSS 3.1 base score
0.49%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
9 Jul 2026Last modified by NVD

Description

An issue in Tamaki_hamanoki Line v.13.6.1 allows attackers to send crafted notifications via leakage of the channel access token.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/syz913/CVE-reports/blob/main/CVE-2023-45559.md ExploitThird Party Advisory
https://github.com/syz913/CVE-reports/blob/main/CVE-2023-45559.md ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-5554Linecorp line improper certificate validation vulnerabilityLack of TLS certificate verification in log transmission of a financial module within LINE client for iOS prior to 13.16.0.EPSS 0.22%8.2CVE-2023-43305Linecorp line vulnerabilityAn issue in studio kent mini-app on Line v13.6.1 allows attackers to send crafted malicious notifications via leakage of the channel access token.EPSS 0.57%8.2CVE-2023-43303Linecorp line vulnerabilityAn issue in craftbeer bar canvas mini-app on Line v13.6.1 allows attackers to send crafted malicious notifications via leakage of the channel access …EPSS 0.53%8.2CVE-2023-43304Linecorp line authentication bypass by spoofing vulnerabilityAn issue in PARK DANDAN mini-app on Line v13.6.1 allows attackers to send crafted malicious notifications via leakage of the channel access token.EPSS 0.55%8.2CVE-2023-43300Linecorp line vulnerabilityAn issue in urban_project mini-app on Line v13.6.1 allows attackers to send crafted malicious notifications via leakage of the channel access token.EPSS 0.53%8.2CVE-2023-43301Linecorp line code injection vulnerabilityAn issue in DARTS SHOP MAXIM mini-app on Line v13.6.1 allows attackers to send crafted malicious notifications via leakage of the channel access toke…EPSS 0.58%8.2CVE-2023-43302Linecorp line vulnerabilityAn issue in sanTas mini-app on Line v13.6.1 allows attackers to send crafted malicious notifications via leakage of the channel access token.EPSS 0.58%8.1CVE-2016-4850Linecorp line improper access control vulnerabilityLINE for Windows before 4.8.3 allows man-in-the-middle attackers to execute arbitrary code.EPSS 2.2%

Source: NIST National Vulnerability Database (record CVE-2023-45559), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.