# CVE-2026-6571: kodcloud KodExplorer systemRole.class.php roleGroupAction authorization

> Remote attackers can bypass authorization in KodExplorer by manipulating the group_role argument, potentially escalating privileges.

- **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 Apr 2026
- **Updated:** 20 Apr 2026
- **Also known as:** GHSA-p2wp-hfcj-f5jm

## What is CVE-2026-6571?

CVE-2026-6571 is a medium-severity authentication bypass vulnerability in kodcloud KodExplorer, published on 19 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A weakness has been identified in kodcloud KodExplorer up to 4.52. Affected by this vulnerability is the function roleGroupAction of the file /app/controller/systemRole.class.php. Executing a manipulation of the argument group_role can lead to authorization bypass. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-639 (Authorization Bypass Through User-Controlled Key), CWE-285 (Improper Authorization)

## Which versions are affected by CVE-2026-6571?


## How do I fix CVE-2026-6571?

No fix has been published for CVE-2026-6571 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-6571 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-6571 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-6571 and fix it if it is affected.

What it is: CVE-2026-6571 is a medium-severity authentication bypass vulnerability in kodcloud KodExplorer, published on 19 Apr 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-2026-6571 exists.

Affected product: kodcloud KodExplorer. 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-2026-6571/ (Markdown: https://insights.sbomify.com/CVE-2026-6571/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-6571
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-6571
- OSV: https://osv.dev/vulnerability/CVE-2026-6571

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-6571/
Summaries are generated and may contain mistakes; the official description above is the record.