Is CVE-2026-93961 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-93961 being exploited in the wild.

How severe is CVE-2026-93961?

Medium severity, with a CVSS score of 5.3, published 20 September 2026.

Is there a fix for CVE-2026-93961?

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-2026-93961 attacked?

It is attacked over the network, in a software library.

Am I affected by CVE-2026-93961?

Check whether you run Dromara UJCMS 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.

CVE-2026-93961: Dromara UJCMS improper authorization in UserController username enumeration

CVE-2026-93961 · Severity: medium · CVSS 5.3 · Published 2026-09-20

UJCMS is an open-source Java content management system used to build and manage websites. An authorization flaw allows unauthenticated attackers to enumerate valid usernames, email addresses, and phone numbers through API endpoints, potentially enabling account targeting for further attacks or credential stuffing.

Vendors: Dromara.

Quick answers

Is CVE-2026-93961 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-93961 being exploited in the wild.
How severe is CVE-2026-93961?: Medium severity, with a CVSS score of 5.3, published 20 September 2026.
Which products and versions are affected?: Dromara UJCMS up to 12.3.1.
Is there a fix for CVE-2026-93961?: 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-2026-93961 attacked?: It is attacked over the network, in a software library.
Am I affected by CVE-2026-93961?: Check whether you run Dromara UJCMS 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

The UserController class exposes multiple endpoints (/username-exist, /mobile-exist, /email-exist, etc.) that check user existence without proper authorization controls, allowing any network attacker to enumerate registered accounts. The vulnerability stems from missing permission annotations on these API methods, making them accessible without authentication. This information disclosure enables downstream attacks such as targeted phishing or password reset enumeration.

Affected products

Dromara UJCMS up to 12.3.1

Timeline

2026-09-20: disclosed
2026-08-23: other: Vulnerability reported via GitHub issue

References

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