PT-2026-28545 · Gematik · Gematik Authenticator

Uwinator · Published 2026-03-27 · Updated 2026-03-28 · CVE-2026-33874

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Gematik Authenticator versions 4.12.0 through 4.15.9

Description The Gematik Authenticator, used for secure user authentication in digital health applications, has a flaw on Mac OS systems. Opening a specially crafted file can lead to remote code execution. This affects versions prior to 4.16.0. There are no reports of real-world exploitation or the number of potentially affected devices.

Recommendations Update the Gematik Authenticator to version 4.16.0 or greater.

Exploit

Fix

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

CVE-2026-33874

GHSA-MJGM-7HWC-QQCR

Affected Products

Gematik Authenticator

References · 6

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33874.json · Exploit
• https://github.com/gematik/app-Authenticator/security/advisories/GHSA-mjgm-7hwc-qqcr · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-33874 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-33874 · Security Note
• https://machinespirits.de/advisory/2e655e · Note
• https://twitter.com/CVEnew/status/2037719399378125085 · Twitter Post