CVE-2023-47364Network attack vector

Malicious notifications via exposed channel access token

Published Nov 9, 2023 · Updated Nov 26, 2024

Channel access-token exposure in nagaoka taxi on LINE 13.6.1 allows remote attackers to send malicious notifications to victims. The public CVE record does not identify where the token is exposed or which operation discloses it, and its sole technical-report link is unavailable. No authentication or user interaction is required; possession of the reusable bearer token grants channel privileges that can send broadcast messages to the account's contacts.

CVSS severity6.5
Medium
EPSS probability0.35%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Channel access-token exposure in nagaoka taxi on LINE 13.6.1 allows remote attackers to send malicious notifications to victims. The public CVE record does not identify where the token is exposed or which operation discloses it, and its sole technical-report link is unavailable. No authentication or user interaction is required; possession of the reusable bearer token grants channel privileges that can send broadcast messages to the account's contacts.

The record

CVE
CVE-2023-47364
Published
Nov 9, 2023
Updated
Nov 26, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-326, T1528
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 9, 2023CVE publishedPublication date reported by the CVE source.
  2. Nov 26, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-326Inadequate Encryption Strength
T1528Steal Application Access Token

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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