Code execution in JetBrains WebStorm via Angular CLI schematics loader
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-829.
Summary
JetBrains WebStorm versions before 2026.3, 2026.2.4 are affected. Code execution is possible in untrusted projects through the Angular CLI schematics loader, which loads functionality from an untrusted control sphere (CWE-829). A local attacker needs a user to open an untrusted project, and the user must interact with it.
Written with Claude Haiku 5.5 from the sources below · 2026-11-06
Description from the CNA
In JetBrains WebStorm before 2026.3, 2026.2.4 code execution was possible in untrusted projects via the Angular CLI schematics loader
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
Upgrade JetBrains WebStorm to a fixed version: 2026.3 or 2026.2.4.
Written with Claude Haiku 5.5 from the sources below · 2026-11-06
- Fix · CNA WebStorm (JetBrains) Fixed in 2026.3, 2026.2.4
Timeline
- 2026-11-06 Threatist record created from CVE-2026-123322
- 2026-11-06 Alias added: GHSA-54w2-mh7h-c6mv
- 2026-11-08 Priority changed: MEDIUM → LOW
References
More JetBrains vulnerabilities
- 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
Sources
- CVE-2026-123322 · CVE Program
- CVE-2026-123322 · NVD
- FIRST EPSS
- GHSA-54w2-mh7h-c6mv · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences