# CVE-2026-75978: xianrendzw EasyReport QueryerFactory DataSourceController.java DataSourceController.add permission

> Remote attackers can exploit missing authorization in EasyReport's DataSourceController to escalate privileges and potentially execute code.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/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:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 19 Aug 2026
- **Updated:** 21 Aug 2026
- **Also known as:** GHSA-vf63-rhmj-wrvg

## What is CVE-2026-75978?

CVE-2026-75978 is a medium-severity missing authorization vulnerability in xianrendzw EasyReport, published on 19 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A security vulnerability has been detected in xianrendzw EasyReport up to 2.0.17.0522_Beta. The affected element is the function DataSourceController.add of the file DataSourceController.java of the component QueryerFactory. Such manipulation of the argument queryerClass leads to permission issues. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Weakness: CWE-275, CWE-266 (Incorrect Privilege Assignment)

## Which versions are affected by CVE-2026-75978?


## How do I fix CVE-2026-75978?

No fix has been published for CVE-2026-75978 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-75978 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-75978 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-75978 and fix it if it is affected.

What it is: CVE-2026-75978 is a medium-severity missing authorization vulnerability in xianrendzw EasyReport, published on 19 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-75978 exists.

Affected product: xianrendzw EasyReport. 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-2026-75978/ (Markdown: https://insights.sbomify.com/CVE-2026-75978/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-75978
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-75978
- OSV: https://osv.dev/vulnerability/CVE-2026-75978

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-75978/
Summaries are generated and may contain mistakes; the official description above is the record.