CVE-2026-32317 (GCVE-0-2026-32317)

Vulnerability from cvelistv5 – Published: 2026-03-20 18:29 – Updated: 2026-03-20 18:55
VLAI?
Title
Cryptomator for Android: Tampered vault configuration allows MITM attack on Hub API
Summary
Cryptomator for Android offers multi-platform transparent client-side encryption for files in the cloud. Prior to version 1.12.3, an integrity check vulnerability allows an attacker tamper with the vault configuration file leading to a man-in-the-middle vulnerability in Hub key loading mechanism. Before this fix, the client trusted endpoints from the vault config without host authenticity checks, which could allow token exfiltration by mixing a legitimate auth endpoint with a malicious API endpoint. Impacted are users unlocking Hub-backed vaults with affected client versions in environments where an attacker can alter the vault.cryptomator file. This issue has been patched in version 1.12.3.
Severity ?
7.6 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N
CWE
  • CWE-346 - Origin Validation Error
  • CWE-354 - Improper Validation of Integrity Check Value
  • CWE-451 - User Interface (UI) Misrepresentation of Critical Information
  • CWE-923 - Improper Restriction of Communication Channel to Intended Endpoints
Assigner
References
Impacted products
Vendor Product Version
cryptomator android Affected: < 1.12.3
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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