getkirby/cms Known Vulnerabilities & Fixes
getkirby/cms has 7 known security vulnerabilities in Packagist (PHP). Upgrade to version 5.5.2 or later to resolve all known issues. Data sourced from OSV, enriched with EPSS exploit probability and CISA KEV.
Low Immediate Risk
No actively exploited vulnerabilities detected. Monitor and update in your next maintenance window.
Recommended safe version: 5.5.2
Upgrading to 5.5.2 or later resolves all 7 known vulnerabilities in getkirby/cms. Run: composer require getkirby/cms:^5.5.2
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Security Summary
- 17 affected version ranges have been identified across these 7 advisories.
- 100% of known issues have a published fixed version.
- Remediation: composer update getkirby/cms
Vulnerabilities
7 unique vulnerabilities — sorted by exploitation risk (KEV → EPSS → CVSS). Click a CVE/GHSA ID for full details. First disclosed Aug 29, 2024, most recently Sep 2, 2026 (734 days apart).
| CVE / GHSA | Severity | Affected | Fixed In |
|---|---|---|---|
| CVE-2026-54003 Kirby: External Initialization of the Panel on reverse proxy setups with the `Forwarded` header | CRITICAL | 3.0.0, 3.0.1, 3.0.1-rc.1, 3.0.2 (+274 more) | 4.9.4, 5.4.4 |
| CVE-2026-34587 Kirby has Server-Side Template Injection (SSTI) via double template resolution in option rendering | HIGH | 3.0.0, 3.0.1, 3.0.1-rc.1, 3.0.2 (+250 more) | 4.9.0, 5.4.0 |
| CVE-2026-44177 Kirby CMS has pre-authentication path traversal and PHP file inclusion during user lookup | HIGH | 5.3.0, 5.3.1, 5.3.2, 5.3.3 (+1 more) | 5.4.1 |
| CVE-2026-44174 Kirby CMS has an Arbitrary Method Call via REST API Search and Collection Query Endpoints | HIGH | 3.0.0, 3.0.1, 3.0.1-rc.1, 3.0.2 (+252 more) | 4.9.1, 5.4.1 |
| CVE-2024-41964 Kirby has insufficient permission checks in the language settings | HIGH | 3.0.0, 3.0.1, 3.0.1-rc.1, 3.0.2 (+185 more) | 3.6.6.6, 3.7.5.5, 3.8.4.4 (+3 more) |
| CVE-2026-75592 Kirby: Access to image files outside of the site root via path traversal in the media handling | MEDIUM | 3.0.0, 3.0.1, 3.0.1-rc.1, 3.0.2 (+262 more) | 4.9.5, 5.5.2 |
| CVE-2026-32870 Kirby has XML injection in its XML creator toolkit | MEDIUM | 3.0.0, 3.0.1, 3.0.1-rc.1, 3.0.2 (+250 more) | 4.9.0, 5.4.0 |
About This Data
Vulnerability data for getkirby/cms is sourced from the Open Source Vulnerability (OSV) database, aggregating reports from GitHub Advisory Database, NIST NVD, and ecosystem-specific sources.
CVSS (Common Vulnerability Scoring System) scores reflect exploitability and impact. EPSS (Exploit Prediction Scoring System) scores indicate the probability of exploitation within the next 30 days. Vulnerabilities marked with are listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
Related Packagist (PHP) Packages
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