Read the docs
TI-2026-64606 Aliases CVE-2026-100265GHSA-f82x-3h7v-827j

In JetBrains Rider before 2026.2.1 aI Assistant could auto-update third-party skills without user confirmation

Priority LOW 28CWE-494Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-494.

Summary

In JetBrains Rider before 2026.2.1 aI Assistant could auto-update third-party skills without user confirmation

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00103 0th percentileScored 2026-11-07
Fix Fixed Rider (JetBrains): 2026.2.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
JetBrainsRiderbefore 2026.2.12026.2.1Patch availableCNA
  • Rider VendorJetBrains Affected before 2026.2.1 Fixed in 2026.2.1 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:jetbrains:rider:*:*:*:*:*:*:*:*before 2026.2.1VulnerableJetBrains
  • cpe:2.3:a:jetbrains:rider:*:*:*:*:*:*:*:* Versions before 2026.2.1 Vulnerable ·JetBrains

Remediation

  • Fix · CNA Rider (JetBrains) Fixed in 2026.2.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-100265
  2. 2026-10-03 Alias added: GHSA-f82x-3h7v-827j

References

Advisory 1

  • TI-2024-24589 Insufficiently protected credentials in JetBrains IntelliJ IDEA CVSS 3.1CRITICAL 9.3
  • TI-2025-17154 In JetBrains ReSharper before 2024.3.4, 2024.2.8, and 2024.1.7, Rider before 2024.3.4… CVSS 3.1HIGH 7.8
  • TI-2020-06390 In JetBrains Rider versions 2019.3 EAP2 through 2019.3 EAP7, there were unsigned binaries… CVSS 3.1HIGH 7.5
  • TI-2019-11158 JetBrains Rider before 2019.1.2 was using an unsigned JetBrains.Rider.Unity.Editor.Plugin.Repacked.dll file. CVSS 3.1HIGH 7.8
  • TI-2025-27883 In JetBrains Rider before 2025.1.2 custom archive unpacker allowed arbitrary file overwrite during remote debug session CVSS 3.1HIGH 7.5
  • TI-2022-17470 In JetBrains Rider before 2022.2 Trust and Open Project dialog could be bypassed, leading to local code execution CVSS 3.1HIGH 7.8
See all 8 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences