Command execution in JetBrains Junie CLI via Allow Similar Commands
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
JetBrains Junie CLI before 26.8.24 is affected. A permissive regular expression (CWE-625) made command execution possible through the Allow Similar Commands option. A local attacker with no privileges can run commands, and a user must interact with the product for this to happen, with high impact on confidentiality, integrity and availability.
Written with Claude Haiku 5.5 from the sources below · 2026-11-06
Description from the CNA
In JetBrains Junie CLI before 26.8.24 command execution was possible via the Allow Similar Commands option
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
Upgrade JetBrains Junie CLI to version 26.8.24 or later.
Written with Claude Haiku 5.5 from the sources below · 2026-11-06
- Fix · CNA Junie CLI (JetBrains) Fixed in 26.8.24
Timeline
- 2026-11-06 Threatist record created from CVE-2026-123315
- 2026-11-06 Alias added: GHSA-3cv3-8rwm-vvm3
- 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-2026-123315 · CVE Program
- CVE-2026-123315 · NVD
- FIRST EPSS
- GHSA-3cv3-8rwm-vvm3 · GitHub Advisory Database · CC BY 4.0
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