How severe is CVE-2026-43646?

CVE-2026-43646 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-43646 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-43646?

CVE-2026-43646 affects Apache Wicket. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-43646?

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-2026-43646 have an EU (EUVD) identifier?

Yes. CVE-2026-43646 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-27651.

When was CVE-2026-43646 published?

CVE-2026-43646 was published on 2026-05-06 and last updated on 2026-06-17.

CVE-2026-43646

CVE-2026-43646 is a high-severity vulnerability in Apache Wicket with a CVSS 3.x base score of 7.5. 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-200.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-27651
Weakness: CWE-200
Affected product: Apache Wicket
Published: 2026-05-06
Last modified: 2026-06-17

Description

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Wicket. This issue affects Apache Wicket: from 8.0.0 through 8.17.0, from 9.0.0 through 9.22.0, from 10.0.0 through 10.8.0. Users are recommended to upgrade to version 10.9.0, which fixes the issue.

Frequently asked questions

What is CVE-2026-43646?: Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Wicket. This issue affects Apache Wicket: from 8.0.0 through 8.17.0, from 9.0.0 through 9.22.0, from 10.0.0 through 10.8.0. Users are recommended to upgrade to version 10.9.0, which fixes the issue.
How severe is CVE-2026-43646?: CVE-2026-43646 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-43646 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-43646?: CVE-2026-43646 affects Apache Wicket. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-43646?: 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-2026-43646 have an EU (EUVD) identifier?: Yes. CVE-2026-43646 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-27651.
When was CVE-2026-43646 published?: CVE-2026-43646 was published on 2026-05-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apache:wicket:*:*:*:*:*:*:*:*

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