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CVE-2023-39042

19
FAUCET Score

CVE-2023-39042 is an information leak vulnerability in Gyouza-newhushimi v13.6.1, specifically affecting the lycorp line_mini_app, which allows attackers to obtain channel access tokens and send crafted messages. With a CVSS score of 7.5 (High), this vulnerability is remotely exploitable with low attack complexity, leading to high confidentiality impact. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or inclusion in CISA's KEV catalog, though it has received minimal community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
13.6.1CPE matchmatch criteria
cpe:2.3:a:lycorp:line_mini_app:13.6.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.62%
Probability of exploitation in next 30 days
EPSS Percentile
46.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0062 is in the 23rd percentile among its peer group of 51,485 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / syz913/CVE-reports/blob/main/CVE-2023-39042.md
ExploitThird Party Advisory
liff.line.me / 1660693321-VmNyyXqO
Product