CVE-2026-32309

HIGH

Cryptomator: Hub unlocking accepts plaintext HTTP and unvalidated endpoint schemes

Title source: cna
STIX 2.1

Description

Cryptomator encrypts data being stored on cloud infrastructure. Prior to version 1.19.1, the Hub-based unlock flow explicitly supports hub+http and consumes Hub endpoints from vault metadata without enforcing HTTPS. As a result, a vault configuration can drive OAuth and key-loading traffic over plaintext HTTP or other insecure endpoint combinations. An active network attacker can tamper with or observe this traffic. Even when the vault key is encrypted for the device, bearer tokens and endpoint-level trust decisions are still exposed to downgrade and interception. This issue has been patched in version 1.19.1.

References (2)

Scores

CVSS v3 7.5
EPSS 0.0002
EPSS Percentile 5.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-319
Status published
Products (1)
cryptomator/cryptomator < 1.19.1 (2 CPE variants)
Published Mar 20, 2026
Tracked Since Mar 21, 2026