CVE-2026-108982

{"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": "2026-10-15T02:49:02.840Z"}, "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/Driver/Fuse/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": "2026-10-15T02:49:02.840Z"}, "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"}, {"url": "https://github.com/veracrypt/VeraCrypt/security/advisories/GHSA-f3px-f8h2-fm4c"}, {"url": "https://github.com/veracrypt/VeraCrypt/commit/d7bc65bed004996d299ec76666d1b283a07e2526"}], "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", "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 dismounting your volumes, restart macOS to end any surviving sessions. Using the affected FUSE-T build again can recreate the problem. Updating FUSE-T alone hasn't been verified as a fix. A process name match can't reliably identify every surviving VeraCrypt service. Manual process killing shouldn't be treated as proof that access has ended, and killing a service while a volume is still mounted can interrupt writes."}], "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"}]}]}]}, "adp": [{"references": [{"url": "https://github.com/veracrypt/VeraCrypt/issues/1779", "tags": ["exploit"]}, {"url": "https://github.com/veracrypt/VeraCrypt/issues/1845", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-13T18:25:54.498453Z", "id": "CVE-2026-108982", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-13T18:26:02.840Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-108982", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-13T18:25:54.498453Z"}}}], "references": [{"url": "https://github.com/veracrypt/VeraCrypt/issues/1779", "tags": ["exploit"]}, {"url": "https://github.com/veracrypt/VeraCrypt/issues/1845", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-13T18:25:37.840Z"}}], "cna": {"metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 7.2, "Automatable": "NOT_DEFINED", "attackVector": "LOCAL", "baseSeverity": "HIGH", "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", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"repo": "https://github.com/veracrypt/VeraCrypt", "vendor": "IDRIX", "modules": ["FUSE-T build for macOS: auxiliary FUSE-T mount and dismount handling (FuseService)"], "product": "VeraCrypt", "versions": [{"status": "affected", "version": "1.26.29", "versionType": "semver"}], "platforms": ["MacOS"], "programFiles": ["src/Driver/Fuse/FuseService.cpp"], "defaultStatus": "unknown"}], "solutions": [{"lang": "en", "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.", "supportingMedia": [{"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.", "base64": false}]}], "references": [{"url": "https://github.com/veracrypt/VeraCrypt/issues/1779", "name": "Original public report (June 2026) with maintainer acknowledgment and diagnosis"}, {"url": "https://sourceforge.net/p/veracrypt/discussion/general/thread/57f938df8b/", "name": "Independent report with first process-level diagnosis and maintainer reply (June 2026)"}, {"url": "https://github.com/veracrypt/VeraCrypt/issues/1845", "name": "Consolidated issue: reproductions, lsof evidence, kernel panic analysis, status"}, {"url": "https://github.com/veracrypt/VeraCrypt/pull/1866", "name": "Community fix: terminate auxiliary FUSE-T service on dismount"}, {"url": "https://github.com/veracrypt/VeraCrypt/releases/tag/VeraCrypt_1.26.29", "name": "Affected release 1.26.29", "tags": ["product"]}, {"url": "https://github.com/veracrypt/VeraCrypt/security/advisories/GHSA-f3px-f8h2-fm4c"}, {"url": "https://github.com/veracrypt/VeraCrypt/commit/d7bc65bed004996d299ec76666d1b283a07e2526"}], "workarounds": [{"lang": "en", "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 dismounting your volumes, restart macOS to end any surviving sessions. Using the affected FUSE-T build again can recreate the problem. Updating FUSE-T alone hasn't been verified as a fix. A process name match can't reliably identify every surviving VeraCrypt service. Manual process killing shouldn't be treated as proof that access has ended, and killing a service while a volume is still mounted can interrupt writes."}], "x_generator": {"engine": "CVE-Request-form 0.0.1"}, "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.)"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-459", "description": "CWE-459 Incomplete Cleanup"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:idrix:veracrypt:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndIncluding": "1.26.29", "versionStartIncluding": "1.26.29"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-10-15T02:49:02.840Z"}}}, "cveMetadata": {"cveId": "CVE-2026-108982", "state": "PUBLISHED", "dateUpdated": "2026-10-15T02:49:02.840Z", "dateReserved": "2026-10-12T02:44:03.885Z", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "datePublished": "2026-10-12T02:44:04.730Z", "assignerShortName": "mitre"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unknown", "modules": ["FUSE-T build for macOS: auxiliary FUSE-T mount and dismount handling (FuseService)"], "platforms": ["MacOS"], "product": "VeraCrypt", "programFiles": ["src/Driver/Fuse/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": "2026-10-16T17:25:57.940", "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"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-108982", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-13T18:25:54.498453Z", "version": "2.0.3"}}]}, "published": "2026-10-12T03:17:18.667", "references": [{"source": "cve@mitre.org", "url": "https://github.com/veracrypt/VeraCrypt/commit/d7bc65bed004996d299ec76666d1b283a07e2526"}, {"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://github.com/veracrypt/VeraCrypt/security/advisories/GHSA-f3px-f8h2-fm4c"}, {"source": "cve@mitre.org", "url": "https://sourceforge.net/p/veracrypt/discussion/general/thread/57f938df8b/"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/veracrypt/VeraCrypt/issues/1779"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/veracrypt/VeraCrypt/issues/1845"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-459"}], "source": "cve@mitre.org", "type": "Secondary"}]}

{}

{"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"]}