# Jetbrains CLion vulnerabilities Source: https://junglewise.ai/threats/technologies/clion Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/clion.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 6 vulnerabilities in Jetbrains CLion: 4 in the last 7 days and 6 in the last 90 days, 3 of them critical and 0 exploited in the wild. The most recent, CVE-2026-123832, was published on 6 November 2026. 6 vulnerabilities in the last four weeks, up from none in the four before. 3 critical against 0. ## Counts - Last 7 days: 4 - Last 30 days: 6 - Last 90 days: 6 - All time: 6 (3 critical, 0 exploited in the wild) ## About Jetbrains CLion Integrated development environment for C and C++ application development. ## Latest Jetbrains CLion vulnerabilities - [CVE-2026-123832: JetBrains CLion code execution via JSON compilation database in Safe Mode](https://junglewise.ai/threats/cve-2026-123832-in-jetbrains-clion-before-2026-2-code-execution-was-possible-in) (critical, CVSS 9.6, published 6 Nov 2026) - [CVE-2026-123831: JetBrains CLion code execution in Safe Mode via Meson settings](https://junglewise.ai/threats/cve-2026-123831-in-jetbrains-clion-before-2026-2-2026-1-4-code-execution-was) (critical, CVSS 9.6, published 6 Nov 2026) - [CVE-2026-123277: JetBrains CLion missing authentication in debug session on Linux](https://junglewise.ai/threats/cve-2026-123277-in-jetbrains-clion-before-2026-3-2026-2-4-1-missing) (medium, CVSS 5, published 6 Nov 2026) - [CVE-2026-123276: JetBrains CLion code execution in Safe Mode via GDB debug profile](https://junglewise.ai/threats/cve-2026-123276-in-jetbrains-clion-before-2026-3-2026-2-4-1-code-execution-was) (high, CVSS 7.8, published 6 Nov 2026) - [CVE-2026-118697: JetBrains Toolbox App and IDEs compromised certificate trust](https://junglewise.ai/threats/cve-2026-118697-in-jetbrains-toolbox-app-before-3-9-1-and-3-8-2-intellij-idea) (critical, CVSS 9, published 30 Oct 2026) - [CVE-2026-118696: JetBrains IDEs embedded browser trusted revoked certificates](https://junglewise.ai/threats/cve-2026-118696-in-jetbrains-intellij-idea-pycharm-phpstorm-rubymine-and) (high, CVSS 8, published 30 Oct 2026) ## Most severe Jetbrains CLion vulnerabilities - [CVE-2026-123832: JetBrains CLion code execution via JSON compilation database in Safe Mode](https://junglewise.ai/threats/cve-2026-123832-in-jetbrains-clion-before-2026-2-code-execution-was-possible-in) (critical, CVSS 9.6, published 6 Nov 2026) - [CVE-2026-123831: JetBrains CLion code execution in Safe Mode via Meson settings](https://junglewise.ai/threats/cve-2026-123831-in-jetbrains-clion-before-2026-2-2026-1-4-code-execution-was) (critical, CVSS 9.6, published 6 Nov 2026) - [CVE-2026-118697: JetBrains Toolbox App and IDEs compromised certificate trust](https://junglewise.ai/threats/cve-2026-118697-in-jetbrains-toolbox-app-before-3-9-1-and-3-8-2-intellij-idea) (critical, CVSS 9, published 30 Oct 2026) - [CVE-2026-118696: JetBrains IDEs embedded browser trusted revoked certificates](https://junglewise.ai/threats/cve-2026-118696-in-jetbrains-intellij-idea-pycharm-phpstorm-rubymine-and) (high, CVSS 8, published 30 Oct 2026) - [CVE-2026-123276: JetBrains CLion code execution in Safe Mode via GDB debug profile](https://junglewise.ai/threats/cve-2026-123276-in-jetbrains-clion-before-2026-3-2026-2-4-1-code-execution-was) (high, CVSS 7.8, published 6 Nov 2026) - [CVE-2026-123277: JetBrains CLion missing authentication in debug session on Linux](https://junglewise.ai/threats/cve-2026-123277-in-jetbrains-clion-before-2026-3-2026-2-4-1-missing) (medium, CVSS 5, published 6 Nov 2026) ## Vulnerabilities per week 6 vulnerabilities in the last four weeks, up from none in the four before. 3 critical against 0. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 2 | 1 | 0 | | 2 Nov 2026 | 4 | 2 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other Jetbrains technologies - [Jetbrains YouTrack](https://junglewise.ai/threats/technologies/youtrack): 83 vulnerabilities - [Jetbrains IntelliJ IDEA](https://junglewise.ai/threats/technologies/intellij-idea): 51 vulnerabilities - [Jetbrains TeamCity](https://junglewise.ai/threats/technologies/teamcity): 34 vulnerabilities - [Jetbrains Datalore](https://junglewise.ai/threats/technologies/datalore): 16 vulnerabilities - [Jetbrains Hub](https://junglewise.ai/threats/technologies/hub): 11 vulnerabilities - [Jetbrains Webstorm](https://junglewise.ai/threats/technologies/webstorm): 8 vulnerabilities - [Jetbrains GoLand](https://junglewise.ai/threats/technologies/goland): 7 vulnerabilities - [Jetbrains PyCharm](https://junglewise.ai/threats/technologies/pycharm): 7 vulnerabilities - [Jetbrains PhpStorm](https://junglewise.ai/threats/technologies/phpstorm): 6 vulnerabilities - [Jetbrains Rider](https://junglewise.ai/threats/technologies/rider): 4 vulnerabilities - [Jetbrains Toolbox App](https://junglewise.ai/threats/technologies/toolbox-app): 4 vulnerabilities - [Jetbrains Junie CLI](https://junglewise.ai/threats/technologies/junie-cli): 3 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Jetbrains CLion vulnerabilities", https://junglewise.ai/threats/technologies/clion, 9 November 2026.