CVE-2026-33472: Cryptomator is an open-source client-side encryption application for cloud storage

Q: How do I fix CVE-2026-33472?

cryptomator: upgrade to 1.19.2. Exact commands for each OS are on this page.

Q: Is CVE-2026-33472 being exploited?

CVE-2026-33472 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-33472 affect?

CVE-2026-33472 affects cryptomator. Severity is medium (CVSS 4.8). 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 m

Q: How urgent is CVE-2026-33472?

Priority 22/100. Public exploit reference

Routine

MEDIUM 4.8UPGRADE

CVE-2026-33472 is a medium-severity flaw (CVSS 4.8) affecting cryptomator. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.8 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.1% (top 99%)
CISA exploited list	No
Weakness	CWE-305, CWE-319
Published	2026-04-16
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: cryptomator

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-16 22:16 UTCPublished CVE record published
2026-06-17 10:37 UTCUpdated Record last modified

cryptomator cryptomator UPGRADE

Affected: < 1.19.2

Fixed in: 1.19.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy cryptomator || rpm -q cryptomator || cryptomator --version

2. UPGRADE to 1.19.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade cryptomator

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade cryptomator

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-33472?

cryptomator: upgrade to 1.19.2. Exact commands for each OS are on this page.

Is CVE-2026-33472 being exploited?

CVE-2026-33472 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-33472 affect?

CVE-2026-33472 affects cryptomator. Severity is medium (CVSS 4.8). 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 m

How urgent is CVE-2026-33472?

Priority 22/100. Public exploit reference

References

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