CVE-2026-50188: Kirby: Request header injection in `Http\Remote`

medium Affects getkirby/cms. Feed 2026.10.29.4, updated 2026-10-29; published 2026-06-18; advisory modified 2026-09-10.

Kirby: Request header injection in `Http\Remote`

Package: getkirby/cms Composer
Affected versions: <4.9.4 or >=5.0.0-alpha.1 and <5.4.4
Fixed in: 4.9.4, 5.4.4
Severity: medium
Exploitation: not on CISA KEV · EPSS 0% (38.5th percentile)
Published: 2026-06-18
Source: osv.dev

References

CWE-113 CWE-93

NVD record getkirby/cms advisories

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