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Vulnerabilities

Vulnerability · CVE-2026-9579

A vulnerability was found in JeecgBoot up to 3.9.1.

Published May 26, 2026 · catalog updated Jul 24, 2026 · A vulnerability was found

Check if you run it

No confirmed exploitation is on record for CVE-2026-9579. EPSS is 0.37%. Act only if a listed version of A vulnerability was found is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (A vulnerability was found).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Low2.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.37%
Remediation
Not established
Affected products
See sources for product scope

A vulnerability was found in JeecgBoot up to 3.9.1. Impacted is the function user.getUsername of the file /sys/user/login/setting/userEdit of the component SysUser. The manipulation of the argument userIdentity results in improper access controls. The attack may be launched remotely. The exploit has been made public and could be used. Upgrading to version 3.9.2 is recommended to address this issue. The affected component should be upgraded.

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2026-9579

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-9579. EPSS is 0.37%. Act only if a listed version of A vulnerability was found is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-266; CWE-284: Improper Access Control. EPSS 0.37%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. May 26, 2026 · NIST NVD

    Detected

    A vulnerability was found in JeecgBoot up to 3.9.1. Impacted is the function user.getUsername of the file /sys/user/login/setting/userEdit of the component SysUser. The manipulation of the argument userIdentity results in improper access controls. The attack may be launched remotely. The exploit has been made public and could be used. Upgrading to version 3.9.2 is recommended to address this issue

  2. Jul 24, 2026 · NIST NVD

    Updated

    A vulnerability was found in JeecgBoot up to 3.9.1. Impacted is the function user.getUsername of the file /sys/user/login/setting/userEdit of the component SysUser. The manipulation of the argument userIdentity results in improper access controls. The attack may be launched remotely. The exploit has been made public and could be used. Upgrading to version 3.9.2 is recommended to address this issue

Sources

  • CVE.orgVulnerability recordCVE-2026-9579

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-9579

    30-day exploitation probability 0.4%

    first.org
  • NIST NVDVulnerability recordCVE-2026-9579

    A vulnerability was found in JeecgBoot up to 3.9.1. Impacted is the function user.getUsername of the file /sys/user/login/setting/userEdit of the component SysUser. The manipulation of the argument userIdentity results in improper access controls. The attack may be launched remot

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.