CVE-2026-32310
4.1 · MEDIUMOverview
CVE-2026-32310 is a medium-severity vulnerability affecting cryptomator cryptomator. It was published on March 20, 2026 and has a CVSS 3.1 base score of 4.1 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 4.1, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from cryptomator. Update cryptomator to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| cryptomator | cryptomator | 1.6.0 | Affected |
Frequently Asked Questions
What is CVE-2026-32310?
CVE-2026-32310 is a medium-severity vulnerability affecting cryptomator cryptomator. It was published on March 20, 2026 and has a CVSS 3.1 base score of 4.1 (MEDIUM).
How severe is CVE-2026-32310?
This vulnerability has a CVSS 3.1 base score of 4.1, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2026-32310?
Check the references section for vendor advisories and patches from cryptomator. Update cryptomator to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-32310?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-32310 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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