{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-122235", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-11-04T20:51:11.221Z", "datePublished": "2026-11-04T21:06:42.684Z", "dateUpdated": "2026-11-04T21:06:42.684Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-11-04T21:06:42.684Z"}, "datePublic": "2026-10-29T10:44:47.000Z", "title": "Jan 0.8.5 before 0.8.8 Workspace Guard Bypass via Dangling Symlink", "descriptions": [{"lang": "en", "value": "Jan from 0.8.5 before 0.8.8 contains a workspace guard bypass vulnerability in the agent-tools gate.rs that allows attackers to write files outside the workspace via dangling symlinks. Attackers supplying a malicious repository can use prompt injection to make the write or edit tools follow symlinks, creating files like ~/.ssh/authorized_keys on the host."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Improper Link Resolution Before File Access ('Link Following')", "cweId": "CWE-59", "type": "CWE"}]}], "affected": [{"vendor": "janhq", "product": "jan", "defaultStatus": "unaffected", "versions": [{"version": "0.8.5", "lessThan": "0.8.8", "status": "affected", "versionType": "semver"}], "packageURL": "pkg:github/janhq/jan", "repo": "https://github.com/janhq/jan"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 5.7, "baseSeverity": "MEDIUM"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseScore": 4.7, "baseSeverity": "MEDIUM"}}], "references": [{"url": "https://github.com/janhq/jan/security/advisories/GHSA-7j4g-mj5j-p842", "tags": ["vendor-advisory"], "name": "GitHub Security Advisory (GHSA-7j4g-mj5j-p842)"}, {"url": "https://github.com/janhq/jan/pull/9424", "tags": ["patch", "issue-tracking"]}, {"url": "https://github.com/janhq/jan/commit/840c33e65182ba9975d32f710c5d111e25444b65", "tags": ["patch"]}, {"url": "https://github.com/janhq/jan/releases/tag/v0.8.8", "tags": ["release-notes"], "name": "jan v0.8.8 Release Notes"}, {"name": "VulnCheck Advisory: Jan 0.8.5 before 0.8.8 Workspace Guard Bypass via Dangling Symlink", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/jan-0.8.5-before-0.8.8-workspace-guard-bypass-via-dangling-symlink"}], "credits": [{"lang": "en", "value": "Zachariah Mithani (AploSec)", "type": "finder"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0.8.5,0.8.8)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "jan", "source": "cna", "vendor": "janhq"}, "product": "jan", "vendor": "janhq"}], "created": "2026-11-04T22:45:14.986920+00:00", "updated": "2026-11-04T23:00:21.132065+00:00", "vendors": ["janhq", "janhq$PRODUCT$jan"]}