CVE-2026-32310 Cryptomator: Unverified masterkeyfile key IDs can access arbitrary local or UNC paths

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...