Download of code without integrity check in Rider - CVE-2026-100265
Published: October 2, 2026
Vulnerability identifier: #VU153130
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-100265
CWE-ID: CWE-494
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to update third-party skills without user confirmation.
The vulnerability exists due to improper verification of downloaded code in the AI Assistant when automatically updating third-party skills. A remote attacker can cause third-party skills to be auto-updated without user confirmation.
Affected software
Rider
How to mitigate CVE-2026-100265
Install security update from vendor's website.
Rider - update to 2026.2.1