CVE-2026-33874 Authenticator vulnerable to Remote Code Execution
Attackers can execute arbitrary code on Mac OS systems if users open a malicious file in the Gematik Authenticator application.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-33874?
CVE-2026-33874 is a high-severity command injection vulnerability in gematik app-Authenticator, published on 27 Mar 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Gematik Authenticator securely authenticates users for login to digital health applications. Starting in version 4.12.0 and prior to version 4.16.0, the Mac OS version of the Authenticator is vulnerable to remote code execution, triggered when victims open a malicious file. Update the gematik Authenticator to version 4.16.0 or greater to receive a patch. There are no known workarounds.
Weakness: CWE-78
Which versions are affected by CVE-2026-33874?
It affects 1 product.
Products include Gematik Authenticator.
How do I fix CVE-2026-33874?
No fix has been published for CVE-2026-33874 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-33874 being exploited?
There is no known exploitation of CVE-2026-33874 in the wild and no public exploit code.
Other vulnerabilities in gematik app-Authenticator
Sources
Also known as GHSA-mjgm-7hwc-qqcr.