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CVE-2026-127120

MEDIUMCVSS 4.3/10

Last modified

CVE-2026-127120 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. A vulnerability was found in Governikus AusweisApp Mobile up to 2.5.5. This impacts an unknown function of the component StartPAOSResponse Handler.

Description

A vulnerability was found in Governikus AusweisApp Mobile up to 2.5.5. This impacts an unknown function of the component StartPAOSResponse Handler. Performing a manipulation of the argument ResultMessage results in cross site scripting. The attack can be initiated remotely. Upgrading to version 2.6.0 will fix this issue. Upgrading the affected component is advised. This CVE was requested by the vendor.

Metrics

CVSS 3.1
4.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

CVSS 4.0
5.3/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weakness Enumeration

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-127120?
A vulnerability was found in Governikus AusweisApp Mobile up to 2.5.5. This impacts an unknown function of the component StartPAOSResponse Handler. Performing a manipulation of the argument ResultMessage results in cross site scripting. The attack can be initiated remotely. Upgrading to version 2.6.0 will fix this issue. Upgrading the affected component is advised. This CVE was requested by the vendor.
How severe is CVE-2026-127120?
CVE-2026-127120 has a CVSS score of 4.3/10 (MEDIUM severity).
How do I fix CVE-2026-127120?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST