CVE-2026-123305
CVE-2026-123305
In JetBrains IntelliJ IDEA before 2026.3 path traversal was possible via unpacking Dev Container archives from a remote host
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| IntelliJ IDEA JetBrains |
≥ 0; < 2026.3 (affected, semver)
Other versions: unaffected |
CNA: JetBrains |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 3.1 / 7.5 high |
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H | CNA: JetBrains |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://www.jetbrains.com/privacy-security/issues-fixed/CNA: JetBrains
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