{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-108982", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "state": "PUBLISHED", "assignerShortName": "mitre", "dateReserved": "2026-10-12T02:44:03.885Z", "datePublished": "2026-10-12T02:44:04.730Z", "dateUpdated": "2026-10-12T02:44:04.730Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unknown", "modules": ["FUSE-T build for macOS: auxiliary FUSE-T mount and dismount handling (FuseService)"], "platforms": ["MacOS"], "product": "VeraCrypt", "programFiles": ["src/Core/Unix/FuseService.cpp"], "repo": "https://github.com/veracrypt/VeraCrypt", "vendor": "IDRIX", "versions": [{"status": "affected", "version": "1.26.29", "versionType": "semver"}]}], "descriptions": [{"lang": "en", "value": "VeraCrypt 1.26.29 (FUSE-T build) on macOS sometimes allows unintended access to decrypted data. It does not terminate the FUSE-T auxiliary service (go-nfsv4) and its associated VeraCrypt core-service helper processes when a volume is dismounted. After VeraCrypt reports the volume as dismounted, the auxiliary mount continues to serve the decrypted volume image (volume.dmg) over a loopback SMB session, and the leaked processes retain an open handle to the underlying raw device. A local user or process can therefore remount and access the decrypted volume without the passphrase, e.g., by reopening a previously accessed path (such as through a macOS Open Recent menu) or by attaching volume.dmg from the stale auxiliary mount. (The macFUSE build of VeraCrypt is not affected.)"}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "LOCAL", "baseScore": 7.2, "baseSeverity": "HIGH", "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:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-459", "description": "CWE-459 Incomplete Cleanup", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-10-12T02:44:04.730Z"}, "references": [{"name": "Original public report (June 2026) with maintainer acknowledgment and diagnosis", "url": "https://github.com/veracrypt/VeraCrypt/issues/1779"}, {"name": "Independent report with first process-level diagnosis and maintainer reply (June 2026)", "url": "https://sourceforge.net/p/veracrypt/discussion/general/thread/57f938df8b/"}, {"name": "Consolidated issue: reproductions, lsof evidence, kernel panic analysis, status", "url": "https://github.com/veracrypt/VeraCrypt/issues/1845"}, {"name": "Community fix: terminate auxiliary FUSE-T service on dismount", "url": "https://github.com/veracrypt/VeraCrypt/pull/1866"}, {"name": "Affected release 1.26.29", "tags": ["product"], "url": "https://github.com/veracrypt/VeraCrypt/releases/tag/VeraCrypt_1.26.29"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "No fixed release as of 2026-10-11. A community fix exists as VeraCrypt pull request #1866 (commit 000bcf4): on dismount, explicitly shut down the auxiliary FUSE-T service through an authenticated control endpoint and wait for it to terminate before reporting the dismount as complete. The maintainer described the same approach in issue #1779. The macFUSE build of VeraCrypt is unaffected."}], "value": "No fixed release as of 2026-10-11. A community fix exists as VeraCrypt pull request #1866 (commit 000bcf4): on dismount, explicitly shut down the auxiliary FUSE-T service through an authenticated control endpoint and wait for it to terminate before reporting the dismount as complete. The maintainer described the same approach in issue #1779. The macFUSE build of VeraCrypt is unaffected."}], "workarounds": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Use the macFUSE build of VeraCrypt instead of the FUSE-T build (the maintainer's recommended interim mitigation; the macFUSE build is not affected). If staying on the FUSE-T build: after every dismount, and only when no volumes are mounted, kill the leaked processes so the decrypted volume and the raw device are actually released: sudo pkill -9 -f 'go-nfsv4.*veracrypt_aux_mnt' and sudo pkill -9 -f 'VeraCrypt.*--core-service' (the processes ignore SIGTERM). Do this before sleeping the machine to avoid the kernel panic when the volume is on removable media. Scope the pkill patterns as shown; an unscoped match also kills other FUSE-T applications' servers. A reboot is the only fully verified lockdown."}], "value": "Use the macFUSE build of VeraCrypt instead of the FUSE-T build (the maintainer's recommended interim mitigation; the macFUSE build is not affected). If staying on the FUSE-T build: after every dismount, and only when no volumes are mounted, kill the leaked processes so the decrypted volume and the raw device are actually released: sudo pkill -9 -f 'go-nfsv4.*veracrypt_aux_mnt' and sudo pkill -9 -f 'VeraCrypt.*--core-service' (the processes ignore SIGTERM). Do this before sleeping the machine to avoid the kernel panic when the volume is on removable media. Scope the pkill patterns as shown; an unscoped match also kills other FUSE-T applications' servers. A reboot is the only fully verified lockdown."}], "x_generator": {"engine": "CVE-Request-form 0.0.1"}, "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:idrix:veracrypt:*:*:*:*:*:*:*:*", "versionStartIncluding": "1.26.29", "versionEndIncluding": "1.26.29"}]}]}]}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unknown", "modules": ["FUSE-T build for macOS: auxiliary FUSE-T mount and dismount handling (FuseService)"], "platforms": ["MacOS"], "product": "VeraCrypt", "programFiles": ["src/Core/Unix/FuseService.cpp"], "repo": "https://github.com/veracrypt/VeraCrypt", "vendor": "IDRIX", "versions": [{"status": "affected", "version": "1.26.29", "versionType": "semver"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "VeraCrypt 1.26.29 (FUSE-T build) on macOS sometimes allows unintended access to decrypted data. It does not terminate the FUSE-T auxiliary service (go-nfsv4) and its associated VeraCrypt core-service helper processes when a volume is dismounted. After VeraCrypt reports the volume as dismounted, the auxiliary mount continues to serve the decrypted volume image (volume.dmg) over a loopback SMB session, and the leaked processes retain an open handle to the underlying raw device. A local user or process can therefore remount and access the decrypted volume without the passphrase, e.g., by reopening a previously accessed path (such as through a macOS Open Recent menu) or by attaching volume.dmg from the stale auxiliary mount. (The macFUSE build of VeraCrypt is not affected.)"}], "id": "CVE-2026-108982", "lastModified": "2026-10-12T03:17:18.667", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.2, "baseSeverity": "HIGH", "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": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/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": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cve@mitre.org", "type": "Secondary"}]}, "published": "2026-10-12T03:17:18.667", "references": [{"source": "cve@mitre.org", "url": "https://github.com/veracrypt/VeraCrypt/issues/1779"}, {"source": "cve@mitre.org", "url": "https://github.com/veracrypt/VeraCrypt/issues/1845"}, {"source": "cve@mitre.org", "url": "https://github.com/veracrypt/VeraCrypt/pull/1866"}, {"source": "cve@mitre.org", "url": "https://github.com/veracrypt/VeraCrypt/releases/tag/VeraCrypt_1.26.29"}, {"source": "cve@mitre.org", "url": "https://sourceforge.net/p/veracrypt/discussion/general/thread/57f938df8b/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-459"}], "source": "cve@mitre.org", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": ["macos"], "status": "affected", "versions": {"scheme": "semver", "value": "1.26.29"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "VeraCrypt", "source": "cna", "vendor": "IDRIX"}, "product": "veracrypt", "vendor": "idrix"}], "created": "2026-10-12T05:00:07.361449+00:00", "title": "VeraCrypt FUSE-T Auxiliary Service Leak Exposes Decrypted Data", "updated": "2026-10-12T05:00:08.562591+00:00", "vendors": ["idrix", "idrix$PRODUCT$veracrypt"]}