How severe is CVE-2026-9580?

CVE-2026-9580 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-9580 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-9580?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-9580 have an EU (EUVD) identifier?

Yes. CVE-2026-9580 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31986.

When was CVE-2026-9580 published?

CVE-2026-9580 was published on 2026-05-26 and last updated on 2026-06-17.

CVE-2026-9580

CVE-2026-9580 is a high-severity vulnerability with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-266.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
CVSS v4: 5.5
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-31986
Weakness: CWE-266
Published: 2026-05-26
Last modified: 2026-06-17

Description

A vulnerability was determined in JeecgBoot up to 3.9.1. The affected element is the function LoginController.selectDepart of the file /sys/selectDepart. This manipulation causes improper access controls. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. Upgrading to version 3.9.2 is sufficient to fix this issue. It is suggested to upgrade the affected component.

Frequently asked questions

What is CVE-2026-9580?: A vulnerability was determined in JeecgBoot up to 3.9.1. The affected element is the function LoginController.selectDepart of the file /sys/selectDepart. This manipulation causes improper access controls. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. Upgrading to version 3.9.2 is sufficient to fix this issue. It is suggested to upgrade the affected component.
How severe is CVE-2026-9580?: CVE-2026-9580 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-9580 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-9580?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-9580 have an EU (EUVD) identifier?: Yes. CVE-2026-9580 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31986.
When was CVE-2026-9580 published?: CVE-2026-9580 was published on 2026-05-26 and last updated on 2026-06-17.

References

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