How severe is CVE-2026-52707?

CVE-2026-52707 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-52707 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-52707?

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-2026-52707 have an EU (EUVD) identifier?

Yes. CVE-2026-52707 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37699.

When was CVE-2026-52707 published?

CVE-2026-52707 was published on 2026-06-17.

CVE-2026-52707

CVE-2026-52707 is a high-severity vulnerability with a CVSS 3.x base score of 8.1. 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-35.

Key facts

Severity: High (CVSS 3.x base score 8.1)
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-37699
Weakness: CWE-35
Published: 2026-06-17
Last modified: 2026-06-17

Description

Unauthenticated Local File Inclusion in Kastell <= 2.0 versions.

Frequently asked questions

What is CVE-2026-52707?: Unauthenticated Local File Inclusion in Kastell <= 2.0 versions.
How severe is CVE-2026-52707?: CVE-2026-52707 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-52707 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-52707?: 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-2026-52707 have an EU (EUVD) identifier?: Yes. CVE-2026-52707 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37699.
When was CVE-2026-52707 published?: CVE-2026-52707 was published on 2026-06-17.

References

https://patchstack.com/database/wordpress/theme/kastell/vulnerability/wordpress-kastell-theme-2-0-local-file-inclusion-vulnerability?_s_id=cve

Other CWE-35 vulnerabilities

CVE-2025-59793 — Critical (CVSS 9.9): Rocket TRUfusion Enterprise through 7.10.5 exposes the endpoint at /axis2/services/WsPortalV6UpDwAxis2Impl to…
CVE-2026-6074 — Critical (CVSS 9.8): Intrado 911 Emergency Gateway (EGW) 5.x, 6.x, and 7.x contain a path traversal vulnerability in the…
CVE-2025-41723 — Critical (CVSS 9.8): The importFile SOAP method is vulnerable to a directory traversal attack. An unauthenticated remote attacker bypass the…
CVE-2025-42937 — Critical (CVSS 9.8): SAP Print Service (SAPSprint) performs insufficient validation of path information provided by users. An…
CVE-2025-30515 — Critical (CVSS 9.8): CyberData 011209 Intercom could allow an authenticated attacker to upload arbitrary files to multiple locations…
CVE-2026-52703 — Critical (CVSS 9.6): Unauthenticated Path Traversal in FastDup <= 2.7.2 versions.

Browse all CWE-35 vulnerabilities →