An information leak in hirochanKAKIwaiting v13.6.1 allows attackers to obtain the channel access token and send crafted messages.
Conclusion & alert: CVE-2023-39057 is rated Exploit Available (54.2/100): CVSS High severity, with low exploitation likelihood (EPSS 0.09%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-11-21 | 0.26% | 0.09% | -0.16% |
| 2 | 2025-11-18 | 0.12% | 0.26% | +0.14% |
| 3 | 2025-04-15 | — | 0.12% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| lycorp | line_mini_app | 13.6.1 | cpe:2.3:a:lycorp:line_mini_app:13.6.1:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/syz913/CVE-reports/blob/main/CVE-2023-39057.md | Exploit Third Party Advisory |
| https://liff.line.me/1657563463-WZNjNErk | Broken Link |