5.3
MEDIUM CVSS 4.0
CVE-2026-127120
Governikus AusweisApp Mobile StartPAOSResponse cross site scripting
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.

INFO

Published Date :

Nov. 12, 2026, 8:18 p.m.

Last Modified :

Nov. 12, 2026, 8:18 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-127120 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Governikus ausweisapp_mobile
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 MEDIUM [email protected]
Solution
Upgrade Governikus AusweisApp Mobile to version 2.6.0 or later to fix XSS.
  • Upgrade Governikus AusweisApp Mobile to version 2.6.0.
  • Update the StartPAOSResponse Handler component.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-127120.

URL Resource
https://vuldb.com/cve/CVE-2026-127120
https://vuldb.com/submit/1033285
https://vuldb.com/vuln/436402
https://vuldb.com/vuln/436402/cti
https://www.Governikus.de/loesungen/kundenprojekte/AusweisApp/
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-127120 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-127120 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-127120 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Nov. 12, 2026

    Action Type Old Value New Value
    Added 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.
    Added CVSS V4.0 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
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
    Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:P/A:N)
    Added CWE CWE-79
    Added CWE CWE-94
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/127xxx/CVE-2026-127120.json">CVE-2026-127120</a>
    Added Reference https://vuldb.com/cve/CVE-2026-127120
    Added Reference https://vuldb.com/submit/1033285
    Added Reference https://vuldb.com/vuln/436402
    Added Reference https://vuldb.com/vuln/436402/cti
    Added Reference https://www.Governikus.de/loesungen/kundenprojekte/AusweisApp/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.