CVE-2026-123301
In JetBrains IntelliJ IDEA before 2026.3 dOM-based XSS in the OpenAPI preview error view was…
- Risk score
- 54/100
- CVSS
- 8.2 v3.1
- Published
- 6 Nov 2026
Open in the live forecast Today's forecast
What to know
- What it is
- In JetBrains IntelliJ IDEA before 2026.3 dOM-based XSS in the OpenAPI preview error view was possible
- Affected
- See advisory
- Fix
- Upgrade the product to 2026.3 or later.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 8.2 high
- Remotely exploitable without logging in
References
Original description
In JetBrains IntelliJ IDEA before 2026.3 dOM-based XSS in the OpenAPI preview error view was possible
Last activity 6 Nov 2026. Patch Forecast updates every hour.