← Vulnerability feed

Vulnerability record · CVE-2026-32310 · published 20 March 2026

CVE-2026-32310: Cryptomator path traversal vulnerability

Cryptomator · Cryptomator

Cryptomator encrypts data being stored on cloud infrastructure. From version 1.6.0 to before version 1.19.1, vault configuration is parsed before its integrity is verified, and the masterkeyfile loader uses the unverified keyId as a filesystem path. The loader resolves keyId.getSchemeSpecificPart() directly against the vault path and immediately calls Files.exists(...). This allows a malicious vault config to supply parent-directory escapes, absolute local paths, or UNC paths (e.g., masterkeyfile://attacker/share/masterkey.cryptomator). On Windows, the UNC variant is especially dangerous because Path.resolve("//attacker/share/...") becomes \\attacker\share\..., so the existence check can trigger outbound SMB access before the user even enters a passphrase. This issue has been patched in version 1.19.1.

5.3 CVSS 3.1 Medium EPSS 0.36% · top 72.9% CWE-22 · Path traversal
5.3CVSS 3.1 base score
0.36%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Cryptomator encrypts data being stored on cloud infrastructure. From version 1.6.0 to before version 1.19.1, vault configuration is parsed before its integrity is verified, and the masterkeyfile loader uses the unverified keyId as a filesystem path. The loader resolves keyId.getSchemeSpecificPart() directly against the vault path and immediately calls Files.exists(...). This allows a malicious vault config to supply parent-directory escapes, absolute local paths, or UNC paths (e.g., masterkeyfile://attacker/share/masterkey.cryptomator). On Windows, the UNC variant is especially dangerous because Path.resolve("//attacker/share/...") becomes \\attacker\share\..., so the existence check can trigger outbound SMB access before the user even enters a passphrase. This issue has been patched in version 1.19.1.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/cryptomator/cryptomator/commit/1e3dfe3de1623b1b85d24db91e49d31d1ea11f40 Patch
https://github.com/cryptomator/cryptomator/pull/4180 Issue Tracking
https://github.com/cryptomator/cryptomator/releases/tag/1.19.1 Release Notes
https://github.com/cryptomator/cryptomator/security/advisories/GHSA-5phc-5pfx-hr52 MitigationVendor Advisory

Track CVE-2026-32310 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.7CVE-2026-32309Cryptomator cleartext transmission vulnerabilityCryptomator encrypts data being stored on cloud infrastructure. Prior to version 1.19.1, the Hub-based unlock flow explicitly supports hub+http and c…EPSS 0.27%7.8CVE-2023-39520Cryptomator improper privilege management vulnerabilityCryptomator encrypts data being stored on cloud infrastructure. The MSI installer provided on the homepage for Cryptomator version 1.9.2 allows local…EPSS 0.33%7.8CVE-2023-37907Cryptomator improper privilege management vulnerabilityCryptomator is data encryption software for users who store their files in the cloud. Prior to version 1.9.2, the MSI installer provided on the homep…EPSS 0.20%7.8CVE-2022-25366Cryptomator untrusted search path vulnerabilityCryptomator through 1.6.5 allows DYLIB injection because, although it has the flag 0x1000 for Hardened Runtime, it has the com.apple.security.cs.disa…EPSS 0.56%5.9CVE-2026-32317Cryptomator origin validation error vulnerabilityCryptomator for Android offers multi-platform transparent client-side encryption for files in the cloud. Prior to version 1.12.3, an integrity check …EPSS 0.08%5.9CVE-2026-32318Cryptomator origin validation error vulnerabilityCryptomator for IOS offers multi-platform transparent client-side encryption for files in the cloud. Prior to version 2.8.3, an integrity check vulne…EPSS 0.11%5.9CVE-2026-32303Cryptomator origin validation error vulnerabilityCryptomator encrypts data being stored on cloud infrastructure. Prior to version 1.19.1, an integrity check vulnerability allows an attacker to tampe…EPSS 0.16%5.3CVE-2026-29110Cryptomator error message information leak vulnerabilityCryptomator encrypts data being stored on cloud infrastructure. Prior to version 1.19.0, in non-debug mode Cryptomator might leak cleartext paths int…EPSS 0.20%

Source: NIST National Vulnerability Database (record CVE-2026-32310), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.