{"data":{"id":"45aab18d-0695-46c5-82f9-1bb8b52ba4fc","title":"CVE-2025-66451: LibreChat is a ChatGPT clone with additional features. In versions 0.8.0 and below, when creating prompts, JSON requests","summary":"LibreChat versions 0.8.0 and below have a vulnerability where JSON requests sent to modify prompts aren't properly checked for valid input, allowing users to change prompts in unintended ways through a PATCH endpoint (a request type that modifies existing data). The vulnerability occurs because the patchPromptGroup function passes user input directly without filtering out sensitive fields that shouldn't be modifiable.","solution":"Update to version 0.8.1, where this issue is fixed.","labels":["security"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-66451","publishedAt":"2025-12-12T04:15:50.690Z","cveId":"CVE-2025-66451","cweIds":["CWE-20","CWE-915"],"cvssScore":"6.5","cvssSeverity":"medium","severity":"medium","attackType":[],"issueType":"vulnerability","affectedPackages":null,"affectedVendors":["LangChain"],"affectedVendorsRaw":["LibreChat"],"classifierModel":"claude-haiku-4-5-20251001","classifierPromptVersion":"v3","cvssVector":null,"attackVector":null,"attackComplexity":null,"privilegesRequired":null,"userInteraction":null,"exploitMaturity":"unknown","epssScore":0.0008,"patchAvailable":null,"disclosureDate":null,"capecIds":null,"crossRefCount":0,"attackSophistication":"trivial","impactType":["integrity"],"aiComponentTargeted":"api","llmSpecific":true,"classifierConfidence":0.85,"researchCategory":null,"atlasIds":null}}