CVE catalog

CVE-2026-90848

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

[CVE catalog]

Severity: Medium · CVSS 5.3CVSS: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
Published: Sep 14, 2026, 10:00:00 PM UTC
Updated: Sep 15, 2026, 2:16:48 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.45% · Oct 25, 2026

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.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	ausweisapp2	sid	`2.6.1-1`	fixed
Debian	ausweisapp2	forky	`2.6.1-1`	fixed
Debian	ausweisapp2	trixie	`2.3.1-1`	vulnerable
Debian	ausweisapp2	bookworm	`1.26.2-1`	vulnerable

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	ausweisapp2	source	sid	`2.5.5-1`	unimportant	Not reported	Not reported
Debian	ausweisapp2	source	forky	`2.5.5-1`	unimportant	Not reported	Not reported
Debian	ausweisapp2	source	trixie	`(unfixed)`	unimportant	Not reported	Not reported
Debian	ausweisapp2	source	bookworm	`(unfixed)`	unimportant	Not reported	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[ausweisapp]Affected
Source package: [ausweisapp2]
Details (2)
- 2.0.1-1~bpo12+1 · amd64 · bookworm-backports
  Affected
  nvd · ausweisapp2 · debian · bookworm; nvd · ausweisapp2 · debian · 12
- 2.0.1-1~bpo12+1 · arm64 · bookworm-backports
  Affected
  nvd · ausweisapp2 · debian · bookworm; nvd · ausweisapp2 · debian · 12
[ausweisapp2]Affected
Details (4)
- 1.26.2-1 · amd64 · bookworm
  Affected
  nvd · ausweisapp2 · debian · bookworm; nvd · ausweisapp2 · debian · 12
- 1.26.2-1 · arm64 · bookworm
  Affected
  nvd · ausweisapp2 · debian · bookworm; nvd · ausweisapp2 · debian · 12
- 2.0.1-1~bpo12+1 · all · bookworm-backports
  Affected
  nvd · ausweisapp2 · debian · bookworm; nvd · ausweisapp2 · debian · 12
- 2.0.1-1~bpo12+1 · all · bookworm-backports
  Affected
  nvd · ausweisapp2 · debian · bookworm; nvd · ausweisapp2 · debian · 12

[Debian 13 (Trixie)]

[ausweisapp]Affected
Source package: [ausweisapp2]
Details (4)
- 2.3.1-1 · amd64 · trixie
  Affected
  nvd · ausweisapp2 · debian · 13
- 2.3.1-1 · arm64 · trixie
  Affected
  nvd · ausweisapp2 · debian · 13
- 2.4.0-2~bpo13+1 · amd64 · trixie-backports
  Affected
  nvd · ausweisapp2 · debian · 13
- 2.4.0-2~bpo13+1 · arm64 · trixie-backports
  Affected
  nvd · ausweisapp2 · debian · 13
[ausweisapp2]Affected
Details (4)
- 2.3.1-1 · all · trixie
  Affected
  nvd · ausweisapp2 · debian · 13
- 2.3.1-1 · all · trixie
  Affected
  nvd · ausweisapp2 · debian · 13
- 2.4.0-2~bpo13+1 · all · trixie-backports
  Affected
  nvd · ausweisapp2 · debian · 13
- 2.4.0-2~bpo13+1 · all · trixie-backports
  Affected
  nvd · ausweisapp2 · debian · 13

Observed: Oct 27, 2026, 10:28:00 AM UTC

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database]