{"data":{"id":"4baabec3-eadf-46af-8d6e-4b15f1f07f3a","title":"CVE-2026-21256: Improper neutralization of special elements used in a command ('command injection') in GitHub Copilot and Visual Studio ","summary":"CVE-2026-21256 is a command injection vulnerability (a flaw where attackers can sneak malicious commands into input that a program then executes) found in GitHub Copilot and Visual Studio that allows unauthorized attackers to run code on a network. The vulnerability stems from improper handling of special characters in commands, which means the software doesn't properly filter or neutralize dangerous input before using it.","solution":"N/A -- no mitigation discussed in source.","labels":["security"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-21256","publishedAt":"2026-02-10T18:16:27.330Z","cveId":"CVE-2026-21256","cweIds":["CWE-77","CWE-94","CWE-77"],"cvssScore":"8.8","cvssSeverity":"high","severity":"high","attackType":["other"],"issueType":"vulnerability","affectedPackages":null,"affectedVendors":["Microsoft"],"affectedVendorsRaw":["GitHub Copilot","Visual Studio","Microsoft"],"classifierModel":"claude-haiku-4-5-20251001","classifierPromptVersion":"v3","cvssVector":null,"attackVector":null,"attackComplexity":null,"privilegesRequired":null,"userInteraction":null,"exploitMaturity":"unknown","epssScore":0.00031,"patchAvailable":null,"disclosureDate":null,"capecIds":["CAPEC-242","CAPEC-88"],"crossRefCount":0,"attackSophistication":"moderate","impactType":["integrity","confidentiality"],"aiComponentTargeted":"api","llmSpecific":true,"classifierConfidence":0.88,"researchCategory":null,"atlasIds":null}}