PatchTheCVECVE-2026-100265: In JetBrains Rider before 2026.2.1 aI Assistant could auto-update third-party skills without user confirmation
CVE-2026-100265 is a medium-severity flaw (CVSS 4.8) affecting rider. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
In JetBrains Rider before 2026.2.1 aI Assistant could auto-update third-party skills without user confirmation
Why this priority
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.8 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.1% (top 99%) |
| CISA exploited list | No |
| Weakness | CWE-494 |
| Published | 2026-09-30 |
| Last modified | 2026-10-02 |
Last updated 2026-10-02 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-100265?
rider: upgrade to 2026.2.1. Exact commands for each OS are on this page.
Is CVE-2026-100265 being exploited?
CVE-2026-100265 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-100265 affect?
CVE-2026-100265 affects rider. Severity is medium (CVSS 4.8). In JetBrains Rider before 2026.2.1 aI Assistant could auto-update third-party skills without user confirmation
How urgent is CVE-2026-100265?
Priority 22/100. Remotely exploitable, no login, no user action