# CVE-2026-5695: Microweber administration panel arbitrary file upload

Source: https://junglewise.ai/threats/cve-2026-5695-arbitrary-file-upload-vulnerability-due-to-a-lack-of-proper  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-23. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-5695 · Severity: info · Published 2026-09-23

Microweber is a website builder and online shop platform. An authenticated administrator can upload arbitrary files to the server without restrictions, allowing them to execute malicious code and fully compromise the system. No patch is currently available.

Technologies: [Microweber](https://junglewise.ai/threats/technologies/microweber). Vendors: [Microweber](https://junglewise.ai/threats/vendors/microweber).

## Quick answers

**Is CVE-2026-5695 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-5695 being exploited in the wild.

**How severe is CVE-2026-5695?** Informational severity, published 23 September 2026.

**Which products and versions are affected?** Microweber v2.0.19.

**Is there a fix for CVE-2026-5695?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-5695 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-5695?** Check whether you run Microweber at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

CWE-434 arbitrary file upload vulnerability in the Microweber administration panel's upload forms lacks proper file validation. Authenticated users with high privileges can upload executable files directly to the server. Remote code execution is achievable through file upload, demonstrating complete system compromise.

## Affected products

- Microweber Microweber v2.0.19

## Timeline

- 2026-06-01: disclosed: INCIBE-CERT published coordinated advisory
- 2026-09-23: advisory: CVE-2026-5695 published

## References

- [https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-microweber-administration-panel](https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-microweber-administration-panel)

## Related threats

- [Microweber reflected cross-site scripting in admin settings](https://junglewise.ai/threats/cve-2026-5696-reflected-cross-site-scripting-xss-in-microweber-the-vulnerability)
- [Microweber CMS server-side template injection in mail templates](https://junglewise.ai/threats/cve-2026-65693-microweber-cms-server-side-template-injection-in-mail-templates)
- [Microweber CMS path traversal in ServeStaticFileController](https://junglewise.ai/threats/cve-2026-65694-microweber-cms-path-traversal-in-servestaticfilecontroller)
- [Microweber path traversal in thumbnail_img API endpoint](https://junglewise.ai/threats/cve-2026-12198-microweber-path-traversal-in-thumbnail-img-api-endpoint)
- [Microweber 2.0.15 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject…](https://junglewise.ai/threats/cve-2024-58289-microweber-2-0-15-contains-a-stored-cross-site-scripting)