CVE-2026-33875 Authenticator Vulnerable to Authentication Flow Hijack
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-33875?
CVE-2026-33875 is a critical vulnerability in gematik app-Authenticator, published on 27 Mar 2026.
Official description
Gematik Authenticator securely authenticates users for login to digital health applications. Versions prior to 4.16.0 are vulnerable to authentication flow hijacking, potentially allowing attackers to authenticate with the identities of victim users who click on a malicious deep link. Update Gematik Authenticator to version 4.16.0 or greater to receive a patch. There are no known workarounds.
Weakness: CWE-940
Which versions are affected by CVE-2026-33875?
It affects 1 product.
Products include Gematik Authenticator.
How do I fix CVE-2026-33875?
No fix has been published for CVE-2026-33875 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-33875 being exploited?
There is no known exploitation of CVE-2026-33875 in the wild and no public exploit code.
Other vulnerabilities in gematik app-Authenticator
Sources
Also known as GHSA-qg87-cf56-2rmr.