JeecgBoot up to 3.9.2 Third-Party Login ThirdLoginController.java HttpServletResponse.sendRedirect state redirect

Summaryinfo

A vulnerability described as problematic has been identified in JeecgBoot up to 3.9.2. The affected element is the function HttpServletResponse.sendRedirect of the file jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/controller/ThirdLoginController.java of the component Third-Party Login. Such manipulation of the argument state leads to redirect. This vulnerability is uniquely identified as CVE-2026-11502. The attack can be launched remotely. Moreover, an exploit is present. The project replied: "After evaluation, this vulnerability has low exploitability in real-world scenarios: 1) Exploiting this vulnerability requires attackers to use social engineering techniques to induce victims to actively click on an OAuth login link constructed by the attacker; it cannot be triggered passively. 2) Third-party login (DingTalk/WeChat, etc.) is an optional feature and may not be enabled in most projects."

Detailsinfo

A vulnerability was found in JeecgBoot up to 3.9.2 and classified as problematic. Affected by this issue is the function HttpServletResponse.sendRedirect of the file jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/controller/ThirdLoginController.java of the component Third-Party Login. The manipulation of the argument state with an unknown input leads to a redirect vulnerability. Using CWE to declare the problem leads to CWE-601. A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. Impacted is integrity.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-11502. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details as well as a public exploit are known. This vulnerability is assigned to T1204.001 by the MITRE ATT&CK project.

The exploit is available at github.com. It is declared as proof-of-concept. The project replied: "After evaluation, this vulnerability has low exploitability in real-world scenarios: 1) Exploiting this vulnerability requires attackers to use social engineering techniques to induce victims to actively click on an OAuth login link constructed by the attacker; it cannot be triggered passively. 2) Third-party login (DingTalk/WeChat, etc.) is an optional feature and may not be enabled in most projects."

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-35037). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

• JeecgBoot

Version

• 3.9.0
• 3.9.1
• 3.9.2

Website

• Product: https://github.com/jeecgboot/JeecgBoot/

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Submitinfo

Accepted

• Submit #835622: https://github.com/jeecgboot/JeecgBoot JeecgBoot v3.9.2 Open Redirect (by mukyuuhate)

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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