{"data":{"id":"a6a06b03-2df5-4906-a840-1366365a4d4c","title":"CVE-2026-21520: Exposure of Sensitive Information to an Unauthorized Actor in Copilot Studio allows a unauthenticated attacker to view…","summary":"CVE-2026-21520 is an exposure of sensitive information to an unauthorized actor in Copilot Studio. According to the source, an unauthenticated attacker can view sensitive information through a network attack vector. The weakness is classified as CWE-77, Improper Neutralization of Special Elements used in a Command ('Command Injection'), and NVD has not yet provided an assessment.","solution":"N/A -- no mitigation discussed in source.","labels":["security"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-21520","publishedAt":"2026-01-22T23:15:57.657Z","cveId":"CVE-2026-21520","cweIds":["CWE-77"],"cvssScore":"7.5","cvssSeverity":"high","severity":"high","attackType":["other"],"issueType":"vulnerability","affectedPackages":null,"affectedPackageNames":null,"affectedPackageRefs":null,"affectedVendors":["Microsoft"],"affectedVendorsRaw":["Copilot Studio"],"classifierModel":"claude-haiku-5-5","classifierPromptVersion":"v4","summaryPromptVersion":"v2","headline":"Copilot Studio exposure of sensitive information to unauthorized actor","headlinePromptVersion":"h1","cvssVector":null,"attackVector":null,"attackComplexity":null,"privilegesRequired":null,"userInteraction":null,"exploitMaturity":"unknown","epssScore":0.01534,"epssCheckedAt":"2026-11-04T12:08:35.001Z","kevDateAdded":null,"advisoryAliases":["GHSA-5vx4-v4r5-wrxg"],"affectedPackagesSource":null,"affectedPackagesCheckedAt":"2026-11-04T00:12:42.110Z","patchAvailable":null,"disclosureDate":null,"fixReleasedAt":null,"daysToFix":null,"fixCheckedAt":null,"capecIds":["CAPEC-88"],"crossRefCount":0,"attackSophistication":"moderate","impactType":["confidentiality"],"aiComponentTargeted":"api","llmSpecific":false,"classifierConfidence":0.9,"researchCategory":null,"atlasIds":null,"fixes":[]}}