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CVE-2026-42069

30
FAUCET Score

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.

First published: May 9, 2026Last modified: May 9, 2026

Impacted Technologies

VendorProductVersion(s)CPE
< 4.9.0CPE matchmatch criteria
cpe:2.3:a:getkirby:kirby:*:*:*:*:*:*:*:*
>= 5.0.0, < 5.4.0CPE matchmatch criteria
cpe:2.3:a:getkirby:kirby:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

7.1HIGH

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
VS Confidentiality
HIGH
VS Integrity
NONE
VS Availability
NONE
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.23%
Probability of exploitation in next 30 days
EPSS Percentile
14.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0023 is in the 15th percentile among its peer group of 21,974 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

composerpatch availablevia ghsa
Product: getkirby/cmsFixed in: 4.9.0
composerpatch availablevia ghsa
Product: getkirby/cmsFixed in: 5.4.0
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-2h7v-4372-f6x2high

Kirby CMS's read access to site, user and role information is not gated by permissions

May 4, 2026

References

github.com / getkirby/kirby/releases/tag/4.9.0
Release Notes
github.com / getkirby/kirby/releases/tag/5.4.0
Release Notes
github.com / getkirby/kirby/security/advisories/GHSA-2h7v-4372-f6x2
PatchVendor Advisory