# CVE-2026-101093: Cotonti cross-site request forgery in admin users

Source: https://junglewise.ai/threats/cve-2026-101093-cotonti-through-1-0-0-contains-a-cross-site-request-forgery  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-28. Updated: 2026-09-28  
License: CC BY 4.0 with a link back

CVE-2026-101093 · Severity: medium · CVSS 5.4 · Published 2026-09-28

Cotonti is a PHP content management framework that administrators use to manage website content and users. An attacker can trick an authenticated administrator into deleting user groups and their associated permissions by crafting a malicious webpage or link, since the admin panel fails to verify the legitimacy of deletion requests.

Technologies: [Cotonti](https://junglewise.ai/threats/technologies/cotonti). Vendors: [Cotonti](https://junglewise.ai/threats/vendors/cotonti).

## Quick answers

**Is CVE-2026-101093 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-101093 being exploited in the wild.

**How severe is CVE-2026-101093?** Medium severity, with a CVSS score of 5.4, published 28 September 2026.

**Which products and versions are affected?** Cotonti through 1.0.0.

**Is there a fix for CVE-2026-101093?** 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-2026-101093 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-101093?** Check whether you run Cotonti 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

This is a cross-site request forgery (CSRF) vulnerability in the admin.users.php component that lacks token verification on user group deletion operations. An authenticated administrator can be exploited through a network-based attack vector (malicious link or page) that causes unwanted actions in the administrator's session without their knowledge, resulting in deletion of custom groups and permissions.

## Affected products

- Cotonti Cotonti through 1.0.0

## Timeline

- 2026-09-28: disclosed

## References

- [https://github.com/Cotonti/Cotonti](https://github.com/Cotonti/Cotonti)
- [https://github.com/Cotonti/Cotonti/blob/1.0.0/system/admin/admin.users.php](https://github.com/Cotonti/Cotonti/blob/1.0.0/system/admin/admin.users.php)

## Related threats

- [Cotonti weak token generation in user registration](https://junglewise.ai/threats/cve-2026-121553-cotonti-through-1-0-0-generates-registration-and-email-change)
- [Cotonti cross-site request forgery in extensions manager](https://junglewise.ai/threats/cve-2026-100524-cotonti-through-1-0-0-contains-a-cross-site-request-forgery)
- [Cotonti open redirect in message.php](https://junglewise.ai/threats/cve-2026-100523-cotonti-through-1-0-0-contains-an-open-redirect-vulnerability-in)
- [Cotonti reflected cross-site scripting in message.php](https://junglewise.ai/threats/cve-2026-100522-cotonti-through-1-0-0-contains-a-reflected-cross-site-scripting)
- [Cotonti reflected cross-site scripting in search plugin](https://junglewise.ai/threats/cve-2026-100521-cotonti-through-1-0-0-contains-a-reflected-cross-site-scripting)