{"answers":{"affected":"","exploited":"There is no known exploitation of CVE-2026-123831 in the wild and no public exploit code.","exposure":"","fix":"No fix has been published for CVE-2026-123831 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-123831 is a critical vulnerability in JetBrains CLion, published on 6 Nov 2026."},"fix_prompt":"Check this codebase for CVE-2026-123831 and fix it if it is affected.\n\nWhat it is: CVE-2026-123831 is a critical vulnerability in JetBrains CLion, published on 6 Nov 2026. \nExploitation: There is no known exploitation of CVE-2026-123831 in the wild and no public exploit code.\n\nAffected product: JetBrains CLion. No package-level version data is available, so check the vendor advisory linked from the reference page.\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2026-123831/ (Markdown: https://insights.sbomify.com/CVE-2026-123831/index.md)","id":"CVE-2026-123831","markdown":"https://insights.sbomify.com/CVE-2026-123831/index.md","name":"CVE-2026-123831","record":{"aliases":["GHSA-3hcx-x64h-4m2v"],"analysis":null,"analysis_generated_by":null,"assigner":"JetBrains","cpe":[],"cvss":{"score":9.6,"severity":"critical","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","version":"3.1"},"cwes":[{"id":"CWE-829","name":"Inclusion of Functionality from Untrusted Control Sphere"}],"description":"In JetBrains CLion before 2026.2, \n2026.1.4 code execution was possible in Safe Mode via Meson project settings","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":null,"headline":"In JetBrains CLion before 2026.2, 2026.1.4 code execution was possible in Safe Mode via Meson project settings","id":"CVE-2026-123831","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":null,"year":"2026"},"n_packages":0,"n_references":1,"next":{"headline":"In JetBrains CLion before 2026.2 code execution was possible in Safe Mode via JSON compilation database","id":"CVE-2026-123832"},"nickname":null,"packages":[],"prev":{"headline":"Node.js is vulnerable to Permission Model file-name disclosure via recursive fs.watch","id":"CVE-2026-123829"},"products":["CLion"],"published":"2026-11-06","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"no","exploitation":"none","technical_impact":"total"},"state":"PUBLISHED","updated":"2026-11-07","vendors":["JetBrains"]},"summary":null,"url":"https://insights.sbomify.com/CVE-2026-123831/"}