CVE-2026-93961: Improper Authorization in Dromara UJCMS
CVE-2026-93961 is a medium severity vulnerability in Dromara UJCMS versions 12.3.0 and 12.3.1. It involves improper authorization in the usernameExist function within the UserController component. The flaw allows remote attackers to manipulate the Username argument to bypass authorization controls. The issue was reported to the project early, but no response or fix has been provided yet.
AI Analysis
Technical Summary
This vulnerability affects the usernameExist function in the UserController.java file of Dromara UJCMS up to versions 12.3.0 and 12.3.1. Improper authorization occurs when an attacker remotely manipulates the Username argument, potentially bypassing intended access restrictions. The vulnerability is confirmed and published with a CVSS 4.0 base score of 6.9, indicating a medium severity. No vendor response or patch has been documented at this time.
Potential Impact
An attacker can remotely exploit this flaw by manipulating the Username parameter to bypass authorization checks, potentially gaining unauthorized access to functionality or information within the UJCMS system. The exact impact beyond improper authorization is not detailed in the available data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the vendor has not responded or released a fix, monitor official Dromara channels for updates. Until a patch is available, consider restricting access to the affected API or implementing additional access controls as a temporary measure.
CVE-2026-93961: Improper Authorization in Dromara UJCMS
Description
CVE-2026-93961 is a medium severity vulnerability in Dromara UJCMS versions 12.3.0 and 12.3.1. It involves improper authorization in the usernameExist function within the UserController component. The flaw allows remote attackers to manipulate the Username argument to bypass authorization controls. The issue was reported to the project early, but no response or fix has been provided yet.
CVSS v4.0
Score 6.9medium
Affected software
Dromara
UJCMS
cpe:2.3:a:ujcms:ujcms:*:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects the usernameExist function in the UserController.java file of Dromara UJCMS up to versions 12.3.0 and 12.3.1. Improper authorization occurs when an attacker remotely manipulates the Username argument, potentially bypassing intended access restrictions. The vulnerability is confirmed and published with a CVSS 4.0 base score of 6.9, indicating a medium severity. No vendor response or patch has been documented at this time.
Potential Impact
An attacker can remotely exploit this flaw by manipulating the Username parameter to bypass authorization checks, potentially gaining unauthorized access to functionality or information within the UJCMS system. The exact impact beyond improper authorization is not detailed in the available data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the vendor has not responded or released a fix, monitor official Dromara channels for updates. Until a patch is available, consider restricting access to the affected API or implementing additional access controls as a temporary measure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-09-19T09:19:19.922Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6aaf654e55bf5e2cf5927a0b
Added to database: 09/20/2026, 04:47:10 UTC
Last enriched: 09/20/2026, 05:01:29 UTC
Last updated: 09/20/2026, 05:25:26 UTC
Views: 6
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