CVE-2026-108982
Summary
| CVE | CVE-2026-108982 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-10-12 03:17:18 UTC |
| Updated | 2026-10-13 19:18:11 UTC |
| Description | 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.) |
Risk And Classification
Primary CVSS: v4.0 7.2 HIGH from [email protected]
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
EPSS: 0.001070000 probability, percentile 0.010780000 (date 2026-10-13)
Problem Types: CWE-459 | CWE-459 CWE-459 Incomplete Cleanup
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 7.2 | HIGH | 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/C... |
| 4.0 | CNA | CVSS | 7.2 | HIGH | 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 |
CVSS v4.0 Breakdown
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
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| github.com/veracrypt/VeraCrypt/issues/1779 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | github.com | |
| github.com/veracrypt/VeraCrypt/pull/1866 | [email protected] | github.com | |
| github.com/veracrypt/VeraCrypt/releases/tag/VeraCrypt_1.26.29 | [email protected] | github.com | |
| sourceforge.net/p/veracrypt/discussion/general/thread/57f938df8b | [email protected] | sourceforge.net | |
| github.com/veracrypt/VeraCrypt/issues/1845 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | github.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Additional Advisory Data
Solutions
CNA: 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
CNA: 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.