Cross Site Scripting Vulnerability in Governikus AusweisApp Mobile
CVE-2026-127120

5.3MEDIUM

Key Information:

Vendor

Governikus

Status
AusweiSAPp Mobile
Vendor
CVE Published:
12 November 2026

What is CVE-2026-127120?

A cross site scripting vulnerability has been identified in Governikus AusweisApp Mobile before version 2.5.5. This vulnerability allows an attacker to manipulate the ResultMessage argument within the StartPAOSResponse Handler component, which can be exploited to execute malicious scripts in the context of users. The attack can be initiated remotely, posing significant risks to user data and security. It is recommended to upgrade to version 2.6.0 or later to remediate this issue and secure the application.

Affected Version(s)

AusweisApp Mobile 2.5.0

AusweisApp Mobile 2.5.1

AusweisApp Mobile 2.5.2

References

https://vuldb.com/vuln/436402
vdb-entrytechnical-description
https://vuldb.com/vuln/436402/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-127120
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

governikus (VulDB User)
VulDB CNA Team
.