How severe is CVE-2026-5529?

CVE-2026-5529 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-5529 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-5529?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-5529 have an EU (EUVD) identifier?

Yes. CVE-2026-5529 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19007.

When was CVE-2026-5529 published?

CVE-2026-5529 was published on 2026-04-05 and last updated on 2026-06-17.

CVE-2026-5529

CVE-2026-5529 is a medium-severity vulnerability with a CVSS 3.x base score of 4.3. 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: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
CVSS v4: 2.1
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-19007
Weakness: CWE-266
Published: 2026-04-05
Last modified: 2026-06-17

Description

A vulnerability was detected in Dromara lamp-cloud up to 5.8.1. This vulnerability affects the function pageUser of the file /defUser/pageUser of the component DefUserController. Performing a manipulation results in improper authorization. The attack can be initiated remotely. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Frequently asked questions

What is CVE-2026-5529?: A vulnerability was detected in Dromara lamp-cloud up to 5.8.1. This vulnerability affects the function pageUser of the file /defUser/pageUser of the component DefUserController. Performing a manipulation results in improper authorization. The attack can be initiated remotely. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
How severe is CVE-2026-5529?: CVE-2026-5529 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-5529 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-5529?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-5529 have an EU (EUVD) identifier?: Yes. CVE-2026-5529 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19007.
When was CVE-2026-5529 published?: CVE-2026-5529 was published on 2026-04-05 and last updated on 2026-06-17.

References

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