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CVE-2026-50188

MEDIUM
6.9
CVSS 4.0
Description
Kirby is an open-source content management system. Prior to 4.9.4 and 5.4.4, Kirby sites and plugins using the Kirby Http Remote class, including Remote::request(), Remote::get(), and Remote::post(), to send outgoing HTTP requests with untrusted data in the headers option could allow newline characters in a header value to inject a separate unintended request header to the remote service. This issue is fixed in versions 4.9.4 and 5.4.4.

Metadata

CVE ID
CVE-2026-50188
State
PUBLISHED
Assigner
GitHub_M
Reserved
2026-06-03 22:05 UTC
Published
2026-07-09 18:44 UTC
Last updated
2026-07-09 19:20 UTC
Primary CWE
CWE-93
CWE-93: Improper Neutralization of CRLF Sequences ('CRLF Inj…
Vendor / Product
getkirby / kirby
Sources
cve.org  ·  NVD

Severity & Metrics

6.9 MEDIUM CVSS 4.0
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N
SSVC — CISA Coordinator
Exploitation
none
Automatable
no
Tech. Impact
partial
Affected products (1)
VendorProductPlatformVersions
getkirby kirby < 4.9.4, >= 5.0.0, < 5.4.4
Weakness (CWE)
CWESourceDescription
CWE-113 cna CWE-113: Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')
CWE-93 cna CWE-93: Improper Neutralization of CRLF Sequences ('CRLF Injection')
CVSS scores (1)
ScoreSeverityVersionSourceVector
6.9 MEDIUM 4.0 cna CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N
References (5)
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