Vulnerability · CVE-2026-33875
Gematik Authenticator securely authenticates users for login to digital health applications.
Published Mar 27, 2026 · catalog updated Jun 17, 2026 · Gematik Authenticator securely authenticates
Check if you run it
No confirmed exploitation is on record for CVE-2026-33875. EPSS is 0.47%. Act only if a listed version of Gematik Authenticator securely authenticates is installed.
Gaps on this record
- The stored product name is a package slug. The name on this page is taken from the title (Gematik Authenticator securely authenticates).
- No version range is stored. A customer cannot check an installed version against this record.
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Critical9.3
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.47%
- Remediation
- Advisory link
- Affected products
- cpe gematik/authenticator
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe gematik/authenticatorversion unspecified
How to fix CVE-2026-33875
Recommended remediation
A patch or advisory reference is linked. Open the original publisher for availability by product version.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-33875. EPSS is 0.47%. Act only if a listed version of Gematik Authenticator securely authenticates is installed.
Which versions are affected?
Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-940. EPSS 0.47%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Mar 27, 2026 · NIST NVD
Detected
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.
Jun 17, 2026 · NIST NVD
Updated
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.
Sources
- CVE.orgVulnerability recordCVE-2026-33875
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-33875
30-day exploitation probability 0.5%
first.org - NIST NVDVulnerability recordCVE-2026-33875
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
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.