# CVE-2026-90904: Missing authorization in Easy Store extension for Joomla

> Authenticated backend users can edit any Easy Store record due to hardcoded ACL bypass, allowing unauthorized data modification.

- **Severity:** High 8.6 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 23 Sep 2026
- **Updated:** 23 Sep 2026
- **Also known as:** GHSA-rgf5-hq4r-xjxf

## What is CVE-2026-90904?

CVE-2026-90904 is a high-severity missing authorization vulnerability in joomshaper.com Easy Store extension for Joomla, published on 23 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

Joomla Extension - joomshaper.com - Broken Access Control (ACL Bypass) in ApiController Record Editing in Easy Store extension 1.0.0-3.0.0 - The allowEdit() method in ApiController.php hardcoded return true;, bypassing Joomla component-level and asset-level ACL permission checks. Any authenticated backend user could edit any EasyStore record, regardless of specific ACL permission grants. Resolved by replacing the hardcoded boolean with proper ACL authorization checks via AccessControl::create()->canEdit()`.

Weakness: CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2026-90904?


## How do I fix CVE-2026-90904?

No fix has been published for CVE-2026-90904 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-90904 being exploited?

There is no known exploitation of CVE-2026-90904 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-90904 and fix it if it is affected.

What it is: CVE-2026-90904 is a high-severity missing authorization vulnerability in joomshaper.com Easy Store extension for Joomla, published on 23 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-90904 in the wild and no public exploit code.

Affected product: joomshaper.com Easy Store extension for Joomla. 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-2026-90904/ (Markdown: https://insights.sbomify.com/CVE-2026-90904/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-90904
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-90904
- OSV: https://osv.dev/vulnerability/CVE-2026-90904

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-90904/
Summaries are generated and may contain mistakes; the official description above is the record.