CVE-2026-33875
9.3 · CRITICALOverview
CVE-2026-33875 is a critical-severity vulnerability affecting gematik authenticator. It was published on March 27, 2026 and has a CVSS 3.1 base score of 9.3 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.3, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from gematik. Update authenticator to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| gematik | authenticator | >= 0, < 4.16.0 | Affected |
Frequently Asked Questions
What is CVE-2026-33875?
CVE-2026-33875 is a critical-severity vulnerability affecting gematik authenticator. It was published on March 27, 2026 and has a CVSS 3.1 base score of 9.3 (CRITICAL).
How severe is CVE-2026-33875?
This vulnerability has a CVSS 3.1 base score of 9.3, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2026-33875?
Check the references section for vendor advisories and patches from gematik. Update authenticator to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-33875?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-33875 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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