How severe is CVE-2026-33874?

CVE-2026-33874 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-33874 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-33874?

CVE-2026-33874 affects Gematik Authenticator. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-33874?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-33874 have an EU (EUVD) identifier?

Yes. CVE-2026-33874 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16816.

When was CVE-2026-33874 published?

CVE-2026-33874 was published on 2026-03-27 and last updated on 2026-06-17.

CVE-2026-33874

CVE-2026-33874 is a high-severity vulnerability in Gematik Authenticator with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-16816
Weakness: CWE-78
Affected product: Gematik Authenticator
Published: 2026-03-27
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-33874?: 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.
How severe is CVE-2026-33874?: CVE-2026-33874 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-33874 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-33874?: CVE-2026-33874 affects Gematik Authenticator. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-33874?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-33874 have an EU (EUVD) identifier?: Yes. CVE-2026-33874 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16816.
When was CVE-2026-33874 published?: CVE-2026-33874 was published on 2026-03-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:gematik:authenticator:*:*:*:*:*:*:*:*

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