Is getkirby/cms affected by CVE-2026-54003?

Packagist getkirby/cms is affected in =5.0.0-alpha.1 <5.4.4.

Is CVE-2026-54003 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.7%.

critical

CVE-2026-54003

Q: Is CVE-2026-54003 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.7%.

Packagist · getkirby/cms

Summary

Kirby: External Initialization of the Panel on reverse proxy setups with the `Forwarded` header

Severity: critical
EPSS: 0.7% (p53)
Also known as: GHSA-whxw-24jc-cwmv
Published: 2026-06-18

References

Related advisories

CVE-2026-71415 — high · Packagist/getkirby/cms
CVE-2026-75594 — high · Packagist/getkirby/cms
CVE-2026-54005 — high · Packagist/getkirby/cms
CVE-2026-54002 — high · Packagist/getkirby/cms
CVE-2026-49276 — high · Packagist/getkirby/cms
CVE-2026-45368 — high · Packagist/getkirby/cms
CVE-2026-44177 — high · Packagist/getkirby/cms
CVE-2026-44175 — high · Packagist/getkirby/cms

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.