{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-49986", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-02T18:30:51.282Z", "datePublished": "2026-08-14T16:21:39.125Z", "dateUpdated": "2026-08-14T16:21:39.125Z"}, "containers": {"cna": {"title": "Cortex has Untrusted Project Bootstrap Code Execution via `CLAUDE_PROJECT_DIR`", "problemTypes": [{"descriptions": [{"cweId": "CWE-829", "lang": "en", "description": "CWE-829: Inclusion of Functionality from Untrusted Control Sphere", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 7.1, "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P", "version": "4.0"}}], "references": [{"name": "https://github.com/cdeust/Cortex/security/advisories/GHSA-gvpp-v77h-5w8g", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/cdeust/Cortex/security/advisories/GHSA-gvpp-v77h-5w8g"}, {"name": "https://github.com/cdeust/Cortex/releases/tag/v3.17.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/cdeust/Cortex/releases/tag/v3.17.1"}, {"name": "https://github.com/pypa/advisory-database/tree/main/vulns/neuro-cortex-memory/PYSEC-2026-2676.yaml", "tags": ["x_refsource_MISC"], "url": "https://github.com/pypa/advisory-database/tree/main/vulns/neuro-cortex-memory/PYSEC-2026-2676.yaml"}], "affected": [{"vendor": "cdeust", "product": "Cortex", "versions": [{"version": "< 3.17.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-14T16:21:39.125Z"}, "descriptions": [{"lang": "en", "value": "The Cortex MCP server (`neuro-cortex-memory`), a cross-platform persistent memory MCP, prior to version 3.17.1 treats the `CLAUDE_PROJECT_DIR` environment variable \u2014 automatically set by Claude Code to the currently open project directory \u2014 as a trusted Cortex developer checkout. When the `open_visualization` tool is invoked, `_find_dev_source()` resolves the user's active project directory as a candidate Cortex source root. The only validation performed by `_is_cortex_root()` is a check for the presence of an `mcp_server/` subdirectory and a `ui/unified-viz.html` file. An attacker who places these two marker files in a malicious repository can cause Cortex to execute an arbitrary `mcp_server/server/visualize_bootstrap.py` from that directory via `subprocess.run([sys.executable, ...])`, achieving code execution with the privileges of the victim's local user process. Version 3.17.1 fixes the issue."}], "source": {"advisory": "GHSA-gvpp-v77h-5w8g", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "Cortex", "vendor": "cdeust", "versions": [{"status": "affected", "version": "< 3.17.1"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Cortex MCP server (`neuro-cortex-memory`), a cross-platform persistent memory MCP, prior to version 3.17.1 treats the `CLAUDE_PROJECT_DIR` environment variable \u2014 automatically set by Claude Code to the currently open project directory \u2014 as a trusted Cortex developer checkout. When the `open_visualization` tool is invoked, `_find_dev_source()` resolves the user's active project directory as a candidate Cortex source root. The only validation performed by `_is_cortex_root()` is a check for the presence of an `mcp_server/` subdirectory and a `ui/unified-viz.html` file. An attacker who places these two marker files in a malicious repository can cause Cortex to execute an arbitrary `mcp_server/server/visualize_bootstrap.py` from that directory via `subprocess.run([sys.executable, ...])`, achieving code execution with the privileges of the victim's local user process. Version 3.17.1 fixes the issue."}], "id": "CVE-2026-49986", "lastModified": "2026-08-14T17:18:27.147", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-08-14T17:18:27.147", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/cdeust/Cortex/releases/tag/v3.17.1"}, {"source": "security-advisories@github.com", "url": "https://github.com/cdeust/Cortex/security/advisories/GHSA-gvpp-v77h-5w8g"}, {"source": "security-advisories@github.com", "url": "https://github.com/pypa/advisory-database/tree/main/vulns/neuro-cortex-memory/PYSEC-2026-2676.yaml"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-829"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"created": "2026-08-14T17:30:12.264855+00:00", "updated": "2026-08-14T17:30:12.264861+00:00", "vendors": []}