Auth bypass in Getkirby Kirby
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.
Vulnerability class: Broken Access Control
Published · last modified .
EPSS exploit prediction
EPSS: 0.005 (39.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Getkirby Kirby — versions < 4.9.4, >= 5.0.0, < 5.4.4
Weakness classification (CWE)
References
- github.com/getkirby/kirby/commit/1ae575da24e1b1cb8803a031d37eff14606d7c55
- github.com/getkirby/kirby/commit/3bad37117adf2013548a784f820ddb2d8317333c
- github.com/getkirby/kirby/commit/3f4398cdcf9f50f84fdac52ad78a7a85fb31589f
- github.com/getkirby/kirby/commit/bffffce6c081f69c46163cc89b1fd18ccf2a18d1
- github.com/getkirby/kirby/releases/tag/4.9.4
- github.com/getkirby/kirby/releases/tag/5.4.4
- github.com/getkirby/kirby/security/advisories/GHSA-23q2-54qv-rq5x