CVE-2026-49274

Description

Kirby is an open-source content management system. Prior to 4.9.4 and 5.4.4, Kirby sites using the pages field with roles that have the pages.access permission disabled allowed authenticated users to provide an inaccessible parent page or site to the page picker backend and confirm arbitrary page existence and retrieve title field values. This issue is fixed in versions 4.9.4 and 5.4.4.

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Weakness Type (CWE)

CWE-862 Missing Authorization

References

Other References

https://github.com/getkirby/kirby/commit/1ae575da24e1b1cb8803a031d37eff14606d7c55 https://github.com/getkirby/kirby/commit/3bad37117adf2013548a784f820ddb2d8317333c https://github.com/getkirby/kirby/commit/3f4398cdcf9f50f84fdac52ad78a7a85fb31589f https://github.com/getkirby/kirby/commit/bffffce6c081f69c46163cc89b1fd18ccf2a18d1 https://github.com/getkirby/kirby/releases/tag/4.9.4 https://github.com/getkirby/kirby/releases/tag/5.4.4 https://github.com/getkirby/kirby/security/advisories/GHSA-23q2-54qv-rq5x

Frequently Asked Questions

What is CVE-2026-49274? +

Kirby is an open-source content management system. Prior to 4.9.4 and 5.4.4, Kirby sites using the pages field with roles that have the pages.access permission disabled allowed authenticated users to provide an inaccessible parent page or site to the page picker backend and confirm arbitrary page existence and retrieve title field values. This issue is fixed in versions 4.9.4 and 5.4.4.

How do I check if I'm vulnerable to CVE-2026-49274? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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