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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-33472 Detail

Description

Cryptomator is an open-source client-side encryption application for cloud storage. Version 1.19.1 contains a logic flaw in CheckHostTrustController.getAuthority() that allows an attacker to bypass the security fix for CVE-2026-32303. The method hardcodes the URI scheme based on port number, causing HTTPS URLs with port 80 to produce the same authority string as HTTP URLs, which defeats both the consistency check and the HTTP block validation. An attacker with write access to a cloud-synced vault.cryptomator file can craft a Hub configuration where apiBaseUrl and authEndpoint use HTTPS with port 80 to pass auto-trust validation, while tokenEndpoint uses plaintext HTTP. The vault is auto-trusted without user prompt, and a network-positioned attacker can intercept the OAuth token exchange to access the Cryptomator Hub API as the victim. This issue has been fixed in version 1.19.2.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://github.com/cryptomator/cryptomator/pull/4179 GitHub, Inc.
https://github.com/cryptomator/cryptomator/releases/tag/1.19.2 GitHub, Inc.
https://github.com/cryptomator/cryptomator/security/advisories/GHSA-9q8x-whrw-x44p GitHub, Inc.

Weakness Enumeration

CWE-ID CWE Name Source
CWE-305 Authentication Bypass by Primary Weakness GitHub, Inc.  
CWE-319 Cleartext Transmission of Sensitive Information GitHub, Inc.  

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-33472
NVD Published Date:
04/16/2026
NVD Last Modified:
04/16/2026
Source:
GitHub, Inc.