Vulnerability · Published May 9, 2026 · Assigned by GitHub_M

CVE-2026-42069Kirby: Read access to site, user and role information is not gated by permissions

High 7.1

In plain English

A high-severity missing authorization in kirby from getkirby. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)7.1High
Exploit odds (30 days)0.2%top 86.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Kirby is an open-source content management system. Prior to versions 4.9.0 and 5.4.0, read access to site, user and role information is not gated by permissions. This issue has been patched in versions 4.9.0 and 5.4.0.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Packagistgetkirby/cms4.9.0GHSA-2h7v-4372-f6x2
Packagistgetkirby/cms5.4.0GHSA-2h7v-4372-f6x2

Affected products (as reported)

VendorProductVersions
getkirby kirby < 4.9.0>= 5.0.0, < 5.4.0

Weakness: CWE-862 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

References