# CVE-2025-9135: Security feature bypass in BusBahnBim

> Local attackers can bypass security controls in transit apps due to improperly exported components, allowing unauthorized access to application features.

- **Severity:** Medium 4.8 (`CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 19 Aug 2025
- **Updated:** 13 Sep 2025
- **Also known as:** GHSA-9v3x-rmcf-rhp4

## What is CVE-2025-9135?

CVE-2025-9135 is a medium-severity vulnerability in Verkehrsauskunft Österreich BusBahnBim, published on 19 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability was detected in Verkehrsauskunft Österreich SmartRide, cleVVVer, BusBahnBim and Salzburg Verkehr up to 12.1.1(258) on Android. The impacted element is an unknown function of the file AndroidManifest.xml. The manipulation results in improper export of android application components. The attack must be initiated from a local position. The exploit is now public and may be used. Upgrading to version 12.1.2(259) is sufficient to resolve this issue. Upgrading the affected component is recommended. The vendor was contacted early and fixed the issue by "[r]emoving the task affinity of the app so it can't be copied".

Weakness: CWE-926 (Improper Export of Android Application Components)

## Which versions are affected by CVE-2025-9135?

It affects 1 product.


Products: Verkehrsauskunft Smartride.

## How do I fix CVE-2025-9135?

No fix has been published for CVE-2025-9135 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-9135 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-9135 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-9135 and fix it if it is affected.

What it is: CVE-2025-9135 is a medium-severity vulnerability in Verkehrsauskunft Österreich BusBahnBim, published on 19 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-9135 exists.

Affected product: Verkehrsauskunft Österreich BusBahnBim. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2025-9135/ (Markdown: https://insights.sbomify.com/CVE-2025-9135/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-9135
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-9135
- OSV: https://osv.dev/vulnerability/CVE-2025-9135

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-9135/
Summaries are generated and may contain mistakes; the official description above is the record.