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TI-2026-83260 Aliases CVE-2026-118697GHSA-c9gr-394r-65gg

Certificate validation flaw in JetBrains Toolbox App and IDEs

Priority MEDIUM 41CWE-295Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Spoofing
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-295.

Summary

JetBrains Toolbox App and several JetBrains IDEs, including IntelliJ IDEA, PyCharm and Rider, are affected in the versions below. The jetbrainsd daemon trusts compromised intermediate certificates (CWE-295, improper certificate validation). A remote attacker without privileges or user interaction can affect confidentiality, integrity and availability, though exploitation is complex.

Written with Claude Haiku 5.5 from the sources below · 2026-11-02

Description from the CNA

In JetBrains Toolbox App before 3.9.1 and 3.8.2; IntelliJ IDEA, PyCharm, PhpStorm, RubyMine, WebStorm, GoLand and Rider before 2026.3 and 2026.2.4; CLion before 2026.3 and 2026.2.4.1; DataGrip before 2026.3 and 2026.2.6.1; RustRover before 2026.3 and 2026.2.5, the jetbrainsd daemon trusted compromised intermediate certificates

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00291 21st percentileScored 2026-11-07
Fix Fixed Toolbox App (JetBrains): 3.9.1, 3.8.2IntelliJ IDEA (JetBrains): 2026.2.4+9 more products

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

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

Affected products

VendorProductAffected versionsFixed inStatusSource
JetBrainsToolbox App3.9 to before 3.9.1; before 3.8.23.9.1, 3.8.2Patch availableCNA
JetBrainsIntelliJ IDEAbefore 2026.2.42026.2.4Patch availableCNA
JetBrainsPyCharmbefore 2026.2.42026.2.4Patch availableCNA
JetBrainsPhpStormbefore 2026.2.42026.2.4Patch availableCNA
JetBrainsRubyMinebefore 2026.2.42026.2.4Patch availableCNA
JetBrainsWebStormbefore 2026.2.42026.2.4Patch availableCNA
JetBrainsGoLandbefore 2026.2.42026.2.4Patch availableCNA
JetBrainsRiderbefore 2026.2.42026.2.4Patch availableCNA
JetBrainsCLionbefore 2026.2.4.12026.2.4.1Patch availableCNA
JetBrainsDataGripbefore 2026.2.6.12026.2.6.1Patch availableCNA
JetBrainsRustRoverbefore 2026.2.52026.2.5Patch availableCNA
  • Toolbox App VendorJetBrains Affected 3.9 to before 3.9.1; before 3.8.2 Fixed in 3.9.1, 3.8.2 Patch available CNA
  • IntelliJ IDEA VendorJetBrains Affected before 2026.2.4 Fixed in 2026.2.4 Patch available CNA
  • PyCharm VendorJetBrains Affected before 2026.2.4 Fixed in 2026.2.4 Patch available CNA
  • PhpStorm VendorJetBrains Affected before 2026.2.4 Fixed in 2026.2.4 Patch available CNA
  • RubyMine VendorJetBrains Affected before 2026.2.4 Fixed in 2026.2.4 Patch available CNA
  • WebStorm VendorJetBrains Affected before 2026.2.4 Fixed in 2026.2.4 Patch available CNA
  • GoLand VendorJetBrains Affected before 2026.2.4 Fixed in 2026.2.4 Patch available CNA
  • Rider VendorJetBrains Affected before 2026.2.4 Fixed in 2026.2.4 Patch available CNA
  • CLion VendorJetBrains Affected before 2026.2.4.1 Fixed in 2026.2.4.1 Patch available CNA
  • DataGrip VendorJetBrains Affected before 2026.2.6.1 Fixed in 2026.2.6.1 Patch available CNA
  • RustRover VendorJetBrains Affected before 2026.2.5 Fixed in 2026.2.5 Patch available CNA

CPE names Threatist (inferred) · 6

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:jetbrains:toolbox:*:*:*:*:*:*:*:*——JetBrains
cpe:2.3:a:jetbrains:intellij_idea:*:*:*:*:*:*:*:*——JetBrains
cpe:2.3:a:jetbrains:pycharm:*:*:*:*:*:*:*:*——JetBrains
cpe:2.3:a:jetbrains:phpstorm:*:*:*:*:*:*:*:*——JetBrains
cpe:2.3:a:jetbrains:webstorm:*:*:*:*:*:*:*:*——JetBrains
cpe:2.3:a:jetbrains:goland:*:*:*:*:*:*:*:*——JetBrains
  • cpe:2.3:a:jetbrains:toolbox:*:*:*:*:*:*:*:* Versions — — ·JetBrains
  • cpe:2.3:a:jetbrains:intellij_idea:*:*:*:*:*:*:*:* Versions — — ·JetBrains
  • cpe:2.3:a:jetbrains:pycharm:*:*:*:*:*:*:*:* Versions — — ·JetBrains
  • cpe:2.3:a:jetbrains:phpstorm:*:*:*:*:*:*:*:* Versions — — ·JetBrains
  • cpe:2.3:a:jetbrains:webstorm:*:*:*:*:*:*:*:* Versions — — ·JetBrains
  • cpe:2.3:a:jetbrains:goland:*:*:*:*:*:*:*:* Versions — — ·JetBrains

Remediation

Update JetBrains Toolbox App to 3.9.1 or 3.8.2. Update IntelliJ IDEA, PyCharm, PhpStorm, RubyMine, WebStorm, GoLand and Rider to 2026.2.4, CLion to 2026.2.4.1, DataGrip to 2026.2.6.1 and RustRover to 2026.2.5.

Written with Claude Haiku 5.5 from the sources below · 2026-11-02

  • Fix · CNA Toolbox App (JetBrains) Fixed in 3.9.1, 3.8.2
  • Fix · CNA IntelliJ IDEA (JetBrains) Fixed in 2026.2.4
  • Fix · CNA PyCharm (JetBrains) Fixed in 2026.2.4
  • Fix · CNA PhpStorm (JetBrains) Fixed in 2026.2.4
  • Fix · CNA RubyMine (JetBrains) Fixed in 2026.2.4
  • Fix · CNA WebStorm (JetBrains) Fixed in 2026.2.4
  • Fix · CNA GoLand (JetBrains) Fixed in 2026.2.4
  • Fix · CNA Rider (JetBrains) Fixed in 2026.2.4
  • Fix · CNA CLion (JetBrains) Fixed in 2026.2.4.1
  • Fix · CNA DataGrip (JetBrains) Fixed in 2026.2.6.1
  • Fix · CNA RustRover (JetBrains) Fixed in 2026.2.5

Timeline

  1. 2026-10-30 Threatist record created from CVE-2026-118697
  2. 2026-10-30 CISA SSVC decision points changed
  3. 2026-10-30 Priority changed: MEDIUM → LOW
  4. 2026-10-30 Alias added: GHSA-c9gr-394r-65gg
  5. 2026-10-31 CISA SSVC decision points changed
  6. 2026-11-01 Priority changed: LOW → MEDIUM
  7. 2026-11-02 Title updated · CNA
  8. 2026-11-02 Fix available: JetBrains/[email protected], JetBrains/[email protected], JetBrains/[email protected] +6 · CNA

References

Other 4

  • TI-2026-45031 Deserialization of untrusted data in JetBrains TeamCity KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-18053 In JetBrains TeamCity before 2023.11.4 authentication bypass allowing to perform admin actions was possible KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-22884 In JetBrains TeamCity before 2023.05.4 authentication bypass leading to RCE on TeamCity Server was possible KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-18054 In JetBrains TeamCity before 2023.11.4 path traversal allowing to perform limited admin actions was possible KEVCVSS 3.1HIGH 7.3
  • TI-2024-15905 In JetBrains TeamCity before 2023.11.3 authentication bypass leading to RCE was possible CVSS 3.1CRITICAL 9.8
  • TI-2024-24589 Insufficiently protected credentials in JetBrains IntelliJ IDEA CVSS 3.1CRITICAL 9.3
See all 787 →

Sources

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