{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-115377", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-22T11:24:28.627Z", "datePublished": "2026-10-22T19:13:46.305Z", "dateUpdated": "2026-10-22T19:13:46.305Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-22T19:13:46.305Z"}, "datePublic": "2026-09-25T00:00:00.000Z", "title": "Incus before 6.0.7, 6.1.0 before 7.0.2, and 7.1.0 before 7.5.0 Arbitrary File Write via Symlink in Migration Stream", "descriptions": [{"lang": "en", "value": "Incus before 6.0.7, 6.1.0 before 7.0.2, and 7.1.0 before 7.5.0 contains an arbitrary file write vulnerability that allows malicious migration sources to write host files by planting symlinks in transferred volumes. Attackers can craft rsync or btrfs receive streams with a symlink such as rootfs pointing to the host root, writing files as root for full host compromise."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Improper Link Resolution Before File Access ('Link Following')", "cweId": "CWE-59", "type": "CWE"}]}], "affected": [{"vendor": "lxc", "product": "incus", "defaultStatus": "unaffected", "packageURL": "pkg:golang/github.com/lxc/incus/v7/cmd/incusd", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "6.0.7"}, {"version": "6.0.7", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.0", "status": "affected", "versionType": "semver", "lessThan": "7.0.2"}, {"version": "7.0.2", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.0", "status": "affected", "versionType": "semver", "lessThan": "7.5.0"}, {"version": "7.5.0", "status": "unaffected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:linuxcontainers:incus:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.0.7"}, {"vulnerable": true, "criteria": "cpe:2.3:a:linuxcontainers:incus:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1.0", "versionEndExcluding": "7.0.2"}, {"vulnerable": true, "criteria": "cpe:2.3:a:linuxcontainers:incus:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.1.0", "versionEndExcluding": "7.5.0"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "subAvailabilityImpact": "HIGH", "baseScore": 9.4, "baseSeverity": "CRITICAL"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 9.9, "baseSeverity": "CRITICAL"}}], "references": [{"url": "https://github.com/lxc/incus/security/advisories/GHSA-579w-c4rw-c8q3", "tags": ["vendor-advisory"], "name": "GitHub Security Advisory (GHSA-579w-c4rw-c8q3)"}, {"name": "VulnCheck Advisory: Incus before 6.0.7, 6.1.0 before 7.0.2, and 7.1.0 before 7.5.0 Arbitrary File Write via Symlink in Migration Stream", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/incus-before-6.0.7-6.1.0-before-7.0.2-and-7.1.0-before-7.5.0-arbitrary-file-write-via-symlink-in-migration-stream"}], "credits": [{"lang": "en", "value": "manus-use", "type": "reporter"}, {"lang": "en", "value": "stgraber", "type": "finder"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageURL": "pkg:golang/github.com/lxc/incus/v7/cmd/incusd", "product": "incus", "vendor": "lxc", "versions": [{"lessThan": "6.0.7", "status": "affected", "version": "0", "versionType": "semver"}, {"status": "unaffected", "version": "6.0.7", "versionType": "semver"}, {"lessThan": "7.0.2", "status": "affected", "version": "6.1.0", "versionType": "semver"}, {"status": "unaffected", "version": "7.0.2", "versionType": "semver"}, {"lessThan": "7.5.0", "status": "affected", "version": "7.1.0", "versionType": "semver"}, {"status": "unaffected", "version": "7.5.0", "versionType": "semver"}]}], "source": "disclosure@vulncheck.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Incus before 6.0.7, 6.1.0 before 7.0.2, and 7.1.0 before 7.5.0 contains an arbitrary file write vulnerability that allows malicious migration sources to write host files by planting symlinks in transferred volumes. Attackers can craft rsync or btrfs receive streams with a symlink such as rootfs pointing to the host root, writing files as root for full host compromise."}], "id": "CVE-2026-115377", "lastModified": "2026-10-22T19:17:44.460", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.9, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 6.0, "source": "disclosure@vulncheck.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 9.4, "baseSeverity": "CRITICAL", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "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": "HIGH", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/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": "disclosure@vulncheck.com", "type": "Secondary"}]}, "published": "2026-10-22T19:17:44.460", "references": [{"source": "disclosure@vulncheck.com", "url": "https://github.com/lxc/incus/security/advisories/GHSA-579w-c4rw-c8q3"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/incus-before-6.0.7-6.1.0-before-7.0.2-and-7.1.0-before-7.5.0-arbitrary-file-write-via-symlink-in-migration-stream"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-59"}], "source": "disclosure@vulncheck.com", "type": "Primary"}]}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,6.0.7)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "6.0.7"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.1.0,7.0.2)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "7.0.2"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.1.0,7.5.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "7.5.0"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "incus", "source": "cna", "vendor": "lxc"}, "product": "incus", "vendor": "linuxcontainers"}], "created": "2026-10-23T03:30:15.963152+00:00", "updated": "2026-10-23T07:15:17.036340+00:00", "vendors": ["linuxcontainers", "linuxcontainers$PRODUCT$incus"]}