Governikus AusweisApp StartPAOSResponse cross site scripting
Priority LOW 24CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Cross-site scripting, Code execution
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79 and CWE-94.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0047 40th percentileScored 2026-11-07
Fix Fixed AusweisApp (Governikus): 2.5.5
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Governikus | AusweisApp | 2.5.0; 2.5.1; 2.5.2; 2.5.3; 2.5.4 | 2.5.5 | Patch available | CNA |
- AusweisApp VendorGovernikus Affected 2.5.0; 2.5.1; 2.5.2; 2.5.3; 2.5.4 Fixed in 2.5.5 Patch available CNA
CPE names CNA · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:governikus:ausweisapp:*:*:*:*:*:*:*:* | — | — | Governikus |
- cpe:2.3:a:governikus:ausweisapp:*:*:*:*:*:*:*:* Versions — — ·Governikus
Remediation
- Fix · CNA AusweisApp (Governikus) Fixed in 2.5.5
Timeline
- 2026-10-02 Threatist record created from CVE-2026-90848
- 2026-10-03 Alias added: GHSA-492q-f4p6-w72v
- 2026-10-26 1 new reference · CNA
References
Sources
- CVE-2026-90848 · CVE Program
- CVE-2026-90848 · NVD
- FIRST EPSS
- GHSA-492q-f4p6-w72v · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences