{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-87008", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-09-08T16:44:23.782Z", "datePublished": "2026-11-05T20:13:23.276Z", "dateUpdated": "2026-11-05T20:13:23.276Z"}, "containers": {"cna": {"title": "Code Graph RAG structural tools follow out-of-root symlinks", "problemTypes": [{"descriptions": [{"cweId": "CWE-22", "lang": "en", "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-59", "lang": "en", "description": "CWE-59: Improper Link Resolution Before File Access ('Link Following')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/vitali87/code-graph-rag/security/advisories/GHSA-85gg-2gfq-q95m", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/vitali87/code-graph-rag/security/advisories/GHSA-85gg-2gfq-q95m"}, {"name": "https://github.com/vitali87/code-graph-rag/commit/2648c95aa550ce2d9361a8e75ed669d5f4b451b8", "tags": ["x_refsource_MISC"], "url": "https://github.com/vitali87/code-graph-rag/commit/2648c95aa550ce2d9361a8e75ed669d5f4b451b8"}, {"name": "https://github.com/vitali87/code-graph-rag/releases/tag/v0.0.589", "tags": ["x_refsource_MISC"], "url": "https://github.com/vitali87/code-graph-rag/releases/tag/v0.0.589"}], "affected": [{"vendor": "vitali87", "product": "code-graph-rag", "versions": [{"version": "< 0.0.589", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-11-05T20:13:23.276Z"}, "descriptions": [{"lang": "en", "value": "Code Graph RAG is an AI-powered knowledge graph and retrieval system for querying, understanding, and editing multi-language codebases. Prior to 0.0.589, AstGrepService in codebase_rag/tools/ast_grep_service.py enumerates files beneath project_root and relies on should_skip_path in codebase_rag/utils/path_utils.py to classify them, but the containment check operates on unresolved lexical paths. A symbolic link planted inside an analyzed repository can therefore reference a file outside the configured root while still appearing in scope. The structural_search tool follows the link and discloses readable content without an approval gate, while structural_replace with dry_run=False follows it and overwrites writable content; the MCP path invokes structural replacement without the agent-loop approval control. An attacker who causes a victim to analyze a repository containing such a link can read credentials, keys, environment files, or sibling source and can modify files accessible to the code-graph-rag process. This issue is fixed in version 0.0.589."}], "source": {"advisory": "GHSA-85gg-2gfq-q95m", "discovery": "UNKNOWN"}}}}

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