# CVE-2026-100884: Krayin laravel-crm attachment-download Endpoint acl.php resource injection

> Remote attackers can exploit improper resource identifier control in the attachment-download endpoint to access unauthorized files.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/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:** 27 Sep 2026
- **Updated:** 28 Sep 2026
- **Also known as:** GHSA-gxmj-vr4j-8j5c

## What is CVE-2026-100884?

CVE-2026-100884 is a medium-severity path traversal vulnerability in Krayin laravel-crm, published on 27 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability has been found in Krayin laravel-crm up to 2.2.5. The impacted element is the function Storage::download of the file packages/Webkul/Admin/src/Config/acl.php of the component attachment-download Endpoint. The manipulation of the argument ID leads to improper control of resource identifiers. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.2.6 is sufficient to resolve this issue. The identifier of the patch is 13d6988cda8d69ece45ee1890effc90a7f21cdc1. It is suggested to upgrade the affected component.

Weakness: CWE-99 (Improper Control of Resource Identifiers)

## Which versions are affected by CVE-2026-100884?


## How do I fix CVE-2026-100884?

No fix has been published for CVE-2026-100884 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-100884 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-100884 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-100884 and fix it if it is affected.

What it is: CVE-2026-100884 is a medium-severity path traversal vulnerability in Krayin laravel-crm, published on 27 Sep 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-2026-100884 exists.

Affected product: Krayin laravel-crm. 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-2026-100884/ (Markdown: https://insights.sbomify.com/CVE-2026-100884/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-100884
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-100884
- OSV: https://osv.dev/vulnerability/CVE-2026-100884

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-100884/
Summaries are generated and may contain mistakes; the official description above is the record.