{"data":{"id":"8fdd4595-b67f-4d35-9a96-e77e38d7b2bb","title":"GHSA-488g-hw5f-x29p: llama-index-core vulnerable to Uncontrolled Resource Consumption","summary":"The SimpleDirectoryReader component in llama_index.core version 0.12.23 has an uncontrolled memory consumption flaw. The user-specified num_files_limit is applied only after all files in a directory are loaded into memory, which can exhaust memory and degrade performance, especially in resource-limited environments.","solution":"Fixed in version 0.12.41.","labels":["security"],"sourceUrl":"https://github.com/advisories/GHSA-488g-hw5f-x29p","publishedAt":"2026-02-02T12:31:14.000Z","cveId":"CVE-2025-6208","cweIds":["CWE-400"],"cvssScore":"5.3","cvssSeverity":"medium","severity":"medium","attackType":["denial_of_service"],"issueType":"vulnerability","affectedPackages":["llama-index-core@< 0.12.41 (fixed: 0.12.41)"],"affectedPackageNames":["llama-index-core"],"affectedPackageRefs":["pypi:llama-index-core"],"affectedVendors":[],"affectedVendorsRaw":["llama-index-core","LlamaIndex","SimpleDirectoryReader"],"classifierModel":"claude-haiku-5-5","classifierPromptVersion":"v4","summaryPromptVersion":"v2","headline":null,"headlinePromptVersion":null,"cvssVector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","attackVector":"network","attackComplexity":"low","privilegesRequired":"none","userInteraction":"none","exploitMaturity":"unknown","epssScore":0.00421,"epssCheckedAt":"2026-10-10T04:57:14.759Z","kevDateAdded":null,"advisoryAliases":["GHSA-488g-hw5f-x29p"],"affectedPackagesSource":null,"affectedPackagesCheckedAt":null,"patchAvailable":true,"disclosureDate":"2026-02-02T12:31:14.000Z","capecIds":["CAPEC-125","CAPEC-130"],"crossRefCount":0,"attackSophistication":"trivial","impactType":["availability"],"aiComponentTargeted":"rag","llmSpecific":false,"classifierConfidence":0.9,"researchCategory":null,"atlasIds":null}}