CVE-2026-86185

Bilibili Desktop through 1.18.0 Remote Code Execution via TLS Verification Bypass

8.6 High

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.

Attack profile

How easy it is to exploit

Attack vector: Adjacent network
Complexity: Low
Privileges needed: None
User interaction: Passive

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.17%Up 0.1 points since Sep 6, 2026

What each source reports

CVE List Score used8.6

Bilibili Desktop through 1.18.0 Remote Code Execution via TLS Verification Bypass

Record: CVE-2026-86185
CVSS 4.0: 8.6 HighCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.1: 8.0 HighCVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-295
Updated: 2026-11-02

EUVDEUVD-2026-719948.6

Record: EUVD-2026-71994
CVSS 4.0: 8.6 HighCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-fqf8-xgqj-hc638.6

Bilibili Desktop through 1.18.0 disables TLS certificate verification process-wide and executes...

Record: GHSA-fqf8-xgqj-hc63
CVSS 4.0: 8.6 HighCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 8.0 HighCVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-295
Updated: 2026-11-02

NVD8.6

Record: CVE-2026-86185
CVSS 4.0: 8.6 HighCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 8.0 HighCVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-295
Updated: 2026-11-02

Affected products

bilibili desktop

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-86185 is a high vulnerability (CVSS 8.6) in Bilibili Desktop, published September 5, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.17%, the 6th percentile. No source names a fixed version.