# CVE-2026-100884 — Krayin laravel-crm

> As of 2026-09-28, CVE-2026-100884 is a MEDIUM-severity vulnerability in Krayin laravel-crm, CVSS v3.1 4.3. No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-100884 as of 2026-09-28; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-09-28

## What is CVE-2026-100884?

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.

The record classifies CVE-2026-100884 under weakness class [CWE-99](https://cwe.mitre.org/data/definitions/99.html). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs no user interaction. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 8 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 4.3 — MEDIUM (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C`)
- **CVSS v4.0 base score:** 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`)
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 2.2/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-09-27, last modified 2026-09-28

## Is CVE-2026-100884 being exploited?

It currently carries a trending score of 30 in the Threadlinqs vulnerability feed.

## Affected products and versions

- **Krayin**: laravel-crm

## How to fix CVE-2026-100884

No vendor patch reference has been recorded for CVE-2026-100884 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-100884

No threat campaign in the Threadlinqs corpus currently references CVE-2026-100884, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org. Last verified by Threadlinqs on 2026-09-28.

**Vendor advisory and patch**

- [github.com — issue tracking](https://github.com/krayin/laravel-crm/pull/2627)
- [github.com — patch](https://github.com/krayin/laravel-crm/commit/13d6988cda8d69ece45ee1890effc90a7f21cdc1)
- [github.com — patch (v2.2)](https://github.com/krayin/laravel-crm/releases/tag/v2.2.6)

**Exploit and proof of concept**

- [github.com — exploit](https://github.com/carlosalbertotuma/advisory/blob/main/advisory-06-IDOR-Email-Attachment%20Download.md)

**Technical analysis**

- [vuldb.com — vdb entry](https://vuldb.com/vuln/410814)

**Third-party advisory**

- [vuldb.com — signature](https://vuldb.com/vuln/410814/cti)
- [vuldb.com — third party advisory](https://vuldb.com/cve/CVE-2026-100884)
- [vuldb.com — third party advisory (916218)](https://vuldb.com/submit/916218)

**Issue tracking and product pages**

- [github.com — issue tracking](https://github.com/krayin/laravel-crm/issues/2624)
- [github.com — product](https://github.com/krayin/laravel-crm/)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-100884
Full detection coverage and IOCs for threats exploiting CVE-2026-100884 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp