# CVE-2026-90848

## Summary

- **CVE ID:** CVE-2026-90848
- **Severity:** MEDIUM
- **CVSS Score:** 5.3 (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)
- **CWE:** CWE-79, CWE-94
- **Published:** Sep 15, 2026
- **Last Modified:** Sep 16, 2026

## Description

A weakness has been identified in Governikus AusweisApp up to 2.5.4. Affected is an unknown function of the component StartPAOSResponse Handler. Executing a manipulation of the argument ResultMessage can lead to cross site scripting. The attack can be launched remotely. Upgrading to version 2.5.5 is able to address this issue. It is recommended to upgrade the affected component. This CVE was requested by the vendor.

## Affected Products

- Governikus — AusweisApp (2.5.0)
- Governikus — AusweisApp (2.5.1)
- Governikus — AusweisApp (2.5.2)
- Governikus — AusweisApp (2.5.3)
- Governikus — AusweisApp (2.5.4)
- Governikus — AusweisApp (2.5.5)

## References

- [CNA](https://vuldb.com/vuln/403403)
- [CNA](https://vuldb.com/vuln/403403/cti)
- [CNA](https://vuldb.com/cve/CVE-2026-90848)
- [CNA](https://vuldb.com/submit/925923)
- [CNA](https://www.Governikus.de/loesungen/kundenprojekte/AusweisApp/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.26%
- **EPSS Percentile:** 18.4

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._