CVE-2026-42174— Kirby: User avatar creation, replacement and deletion are not gated by user update permissions
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I. Basic Information for CVE-2026-42174
Vulnerability Information
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Vulnerability Title
Kirby: User avatar creation, replacement and deletion are not gated by user update permissions
Source: NVD (National Vulnerability Database)
Vulnerability Description
Kirby is an open-source content management system. Prior to versions 4.9.0 and 5.4.0, user avatar creation, replacement and deletion are not gated by user update permissions. This issue has been patched in versions 4.9.0 and 5.4.0.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制缺失
Source: NVD (National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-42174
| # | POC Description | Source Link | Shenlong Link |
|---|
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- Release 5.4.0 · getkirby/kirby · GitHubx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2026-42174
Same Patch Batch · getkirby · 2026-05-09 · 4 CVEs total
| CVE-2026-42069 | Kirby: Read access to site, user and role information is not gated by permissions | |
| CVE-2026-42137 | Kirby: `pages.access/list` and `files.access/list` permissions are not consistently checke | |
| CVE-2026-42051 | Kirby: System API endpoint leaks license data and installed version to authenticated users |
IV. Related Vulnerabilities
Same product: kirby
- CVE-2026-42137
Kirby: `pages.access/list` and `files.access/list` permissio - CVE-2026-42051
Kirby: System API endpoint leaks license data and installed - CVE-2026-42069
Kirby: Read access to site, user and role information is not - CVE-2026-41325
Kirby is vulnerable to authorization bypass during page, fil - CVE-2026-40099
Kirby's page creation API bypasses the changeStatus permissi
Same vendor: getkirby
- CVE-2026-42137
Kirby: `pages.access/list` and `files.access/list` permissio - CVE-2026-42051
Kirby: System API endpoint leaks license data and installed - CVE-2026-42069
Kirby: Read access to site, user and role information is not - CVE-2026-41325
Kirby is vulnerable to authorization bypass during page, fil - CVE-2026-40099
Kirby's page creation API bypasses the changeStatus permissi
Same weakness: CWE-862
- CVE-2021-47932
WordPress TheCartPress 1.5.3.6 Privilege Escalation Unauthen - CVE-2025-15634
HCL BigFix WebUI is affected by a missing authorization vuln - CVE-2026-42297
Argo Workflows Is Missing Authorization in Sync ConfigMap Pr - CVE-2026-42137
Kirby: `pages.access/list` and `files.access/list` permissio - CVE-2026-42051
Kirby: System API endpoint leaks license data and installed
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