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CVE

CVE-2026-32309

Cryptomator: Hub unlocking accepts plaintext HTTP and unvalidated endpoint schemes
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CVE

CVE-2026-32309

Cryptomator: Hub unlocking accepts plaintext HTTP and unvalidated endpoint schemes

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.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
8.7
-
4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
C
H
U
0
-
C
H
U
-

Related Resources

No items found.

References

https://github.com/cryptomator/cryptomator/releases/tag/1.19.1, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32309.json, https://github.com/cryptomator/cryptomator/security/advisories/GHSA-vv33-h7qx-c264, https://nvd.nist.gov/vuln/detail/CVE-2026-32309

Severity

0

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
0
EPSS Probability
0.00012%
EPSS Percentile
0.01643%
Introduced Version
0
Fix Available
4be327608a6d478d5d9055121f0ab28fd649b864

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