{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-108759", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-11T01:57:28.334Z", "datePublished": "2026-10-11T12:19:56.496Z", "dateUpdated": "2026-10-11T12:19:56.496Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-11T12:19:56.496Z"}, "datePublic": "2026-10-10T00:00:00.000Z", "title": "mistral.rs 0.9.0 through 0.9.4 Sandbox Escape via Symlink Following in mistralrs-code-exec", "descriptions": [{"lang": "en", "value": "mistral.rs 0.9.0 through 0.9.4 contains a link following vulnerability in mistralrs-code-exec that allows sandboxed shell code to read and overwrite files outside the sandbox via symlinks. Attackers or prompt-injected agents can name symlinks as outputs or reuse sessions with symlinked input paths to access files with the server process's permissions."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Improper Link Resolution Before File Access ('Link Following')", "cweId": "CWE-59", "type": "CWE"}]}], "affected": [{"vendor": "EricLBuehler", "product": "mistral.rs", "defaultStatus": "unaffected", "versions": [{"version": "0.9.0", "lessThanOrEqual": "0.9.4", "status": "affected", "versionType": "semver"}], "packageURL": "pkg:github/EricLBuehler/mistral.rs", "repo": "https://github.com/EricLBuehler/mistral.rs"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 7.6, "baseSeverity": "HIGH"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseScore": 6.8, "baseSeverity": "MEDIUM"}}], "references": [{"url": "https://hackmd.io/@haind03/ericlbuehler-mistralrs-code-exec-output-symlink-sandbox-escape", "tags": ["third-party-advisory"]}, {"url": "https://github.com/EricLBuehler/mistral.rs/blob/4400935451da5e2dc7379a3f92fbbada66557f6c/mistralrs-code-exec/src/files.rs#L241-L254", "tags": ["technical-description"]}, {"url": "https://github.com/EricLBuehler/mistral.rs/blob/4400935451da5e2dc7379a3f92fbbada66557f6c/mistralrs-code-exec/src/mount.rs#L30-L50", "tags": ["technical-description"]}, {"url": "https://github.com/EricLBuehler/mistral.rs", "tags": ["product"]}, {"name": "VulnCheck Advisory: mistral.rs 0.9.0 through 0.9.4 Sandbox Escape via Symlink Following in mistralrs-code-exec", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/mistral-rs-0.9.0-through-0.9.4-sandbox-escape-via-symlink-following-in-mistralrs-code-exec"}], "credits": [{"lang": "en", "value": "HaiND from the Post and Telecommunication Institute of Technology", "type": "finder"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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