Improper Certificate Validation in Rider - CVE-2026-118697
Published: November 2, 2026
Vulnerability identifier: #VU158596
CSH Severity: Medium
CVSS v4: 9.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-118697
CWE-ID: CWE-295
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass certificate authentication and potentially impersonate a trusted entity.
The vulnerability exists due to improper certificate validation in the jetbrainsd daemon when validating certificates chaining to compromised intermediate certificates. A remote attacker can present a certificate chaining to a compromised intermediate certificate to bypass certificate authentication and potentially impersonate a trusted entity.
Affected software
Rider
How to mitigate CVE-2026-118697
Install security update from vendor's website.
Rider - addressed in versions 2026.2.4, 2026.3