{"data":{"id":"0cf7511b-96c8-467a-8cb1-311d8d3bfde1","title":"CVE-2025-3677: A vulnerability classified as critical was found in lm-sys fastchat up to 0.2.36. This vulnerability affects the…","summary":"CVE-2025-3677 is a critical vulnerability in lm-sys fastchat up to 0.2.36. It affects the function split_files/apply_delta_low_cpu_mem in fastchat/model/apply_delta.py and leads to deserialization. An attack must be carried out locally.","solution":"N/A -- no mitigation discussed in source.","labels":["security"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-3677","publishedAt":"2025-04-16T13:15:28.273Z","cveId":"CVE-2025-3677","cweIds":["CWE-20","CWE-502"],"cvssScore":"5.3","cvssSeverity":"medium","severity":"medium","attackType":["other"],"issueType":"vulnerability","affectedPackages":null,"affectedPackageNames":null,"affectedPackageRefs":null,"affectedVendors":[],"affectedVendorsRaw":["FastChat"],"classifierModel":"claude-haiku-5-5","classifierPromptVersion":"v4","summaryPromptVersion":"v2","headline":"FastChat deserialization flaw in apply_delta local model handling","headlinePromptVersion":"h1","cvssVector":null,"attackVector":null,"attackComplexity":null,"privilegesRequired":null,"userInteraction":null,"exploitMaturity":"unknown","epssScore":0.00206,"epssCheckedAt":"2026-11-04T18:09:13.788Z","kevDateAdded":null,"advisoryAliases":["GHSA-v32v-5787-25w8"],"affectedPackagesSource":null,"affectedPackagesCheckedAt":"2026-10-28T18:09:40.475Z","patchAvailable":null,"disclosureDate":null,"fixReleasedAt":null,"daysToFix":null,"fixCheckedAt":null,"capecIds":["CAPEC-586"],"crossRefCount":0,"attackSophistication":"moderate","impactType":["integrity"],"aiComponentTargeted":"framework","llmSpecific":true,"classifierConfidence":0.9,"researchCategory":null,"atlasIds":null,"fixes":[]}}