Vulnerability · Published Sep 5, 2026 · Assigned by VulnCheck
CVE-2026-86185Bilibili Desktop through 1.18.0 Remote Code Execution via TLS Verification Bypass
High 8.0
In plain English
A high-severity improper certificate validation in Bilibili Desktop from Bilibili. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities).
Official description
Bilibili Desktop through 1.18.0 disables TLS certificate verification process-wide and executes unsigned remote JavaScript configuration without integrity checks. An attacker in an on-path network position can intercept configuration fetches, inject arbitrary JavaScript executed in the renderer with access to the privileged IPC bridge, and execute system commands or steal login credentials.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Bilibili | Bilibili Desktop | 0 – through 1.18.0 |
Weakness: CWE-295 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References
- Researcher Advisory third-party-advisory
- Technical advisory: TLS kill switch, unsigned injectcode config, executeJavaScript sink technical-description
- https://app.bilibili.com/ product
- VulnCheck Advisory: Bilibili Desktop through 1.18.0 Remote Code Execution via TLS Verification Bypass third-party-advisory