CVE-2026-123276: high-severity vulnerability in JetBrains CLion
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.8epss 0.2%
In JetBrains CLion before 2026.3,
2026.2.4.1 code execution was possible in Safe Mode via a crafted GDB server debug profile
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products
JetBrains · CLionRelated CVEs — JetBrains CLion
In the same product, most dangerous first.