JetBrains CLion: Mehrere Schwachstellen ermöglichen Codeausführung
Affects Bundesamt für Sicherheit in der Informationstechnik JetBrainsSource GCVE Database
Not known to be exploited · CVSS 9.6 Critical : upgrade to 2026.2 as a priority.
Data as of 9 Nov 2026, 12:36 UTC
Thin evidence
One scorer or none| CNA (JetBrains) | CVSS 3.1 | 9.6 |
|---|
- Patch
- Available – fixed in 2026.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 6 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 9 Nov 2026.
What to do
Upgrade CLion to 2026.2.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| JetBrainsCLion | Affected
| Fixed in
|
AI-suggested
Users should update to JetBrains CLion version 2026.2, which contains fixes for these vulnerabilities. Applying this official update fully mitigates the risk associated with these code execution flaws.
Description
Multiple vulnerabilities in JetBrains CLion, an integrated development environment for C and C++ programming, allow code execution. These issues affect versions prior to and including 2026.2. A fix is available in version 2026.2.
References
- wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-4400.json (opens in a new tab)
- wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-4400 (opens in a new tab)
- jetbrains.com/privacy-security/issues-fixed/ (opens in a new tab)
- github.com/advisories/GHSA-7G7M-GCXH-9R46 (opens in a new tab)
- github.com/advisories/GHSA-3HCX-X64H-4M2V (opens in a new tab)