CVE-2026-9580: JeecgBoot improper access control in LoginController selectDepart

CVE-2026-9580 · Severity: high · CVSS 7.3 · Published 2026-05-26

JeecgBoot is a low-code development platform used to rapidly build enterprise applications. A security flaw in the login controller allows unauthorized users to bypass access controls. This could allow an attacker to manipulate departmental or tenant settings, potentially leading to unauthorized data access or disruption of organizational structures within the platform.

Technologies: JeecgBoot. Vendors: JeecgBoot.

Quick answers

Is CVE-2026-9580 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-9580 being exploited in the wild.
How severe is CVE-2026-9580?
High severity, with a CVSS score of 7.3, published 26 May 2026.
Which products and versions are affected?
JeecgBoot up to 3.9.1.
Is there a fix for CVE-2026-9580?
A patch was published on 2026-04-30: Version 3.9.2 released with security fixes Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-9580 attacked?
It is attacked over the network, in a software library.
Am I affected by CVE-2026-9580?
Check whether you run JeecgBoot 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

An improper access control vulnerability exists in JeecgBoot versions up to 3.9.1 within the 'LoginController.selectDepart' function of the '/sys/selectDepart' component. The flaw allows for cross-department or cross-tenant context injection due to insufficient validation of access rights during the department selection process. A remote, unauthenticated attacker can exploit this vulnerability to manipulate session contexts or gain unauthorized access to departmental data. The exploit has been publicly disclosed. The issue is resolved in version 3.9.2, which introduces stricter tenant isolation and permission checks.

Affected products

  • JeecgBoot JeecgBoot up to 3.9.1

Timeline

  • 2026-05-26: advisory: CVE-2026-9580 published via VulDB/NVD
  • 2026-04-30: patched: Version 3.9.2 released with security fixes

References

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