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CVE-2026-50188

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:72d466fca84cefbd998341d7c7207e77ef749cb703263ca7105808f626cf3a8e
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-113","description":"CWE-113: Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c184301eec9849eb2f7e606b8654722a31d61bdc44d0f4fc9ee2fcf3c9344d8d · sha256:03bab81186cb8cba… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-93","description":"CWE-93: Improper Neutralization of CRLF Sequences ('CRLF Injection')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c184301eec9849eb2f7e606b8654722a31d61bdc44d0f4fc9ee2fcf3c9344d8d · sha256:03bab81186cb8cba… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"kirby","vendor":"getkirby","versions":[{"status":"affected","version":"< 4.9.4"},{"status":"affected","version":">= 5.0.0, < 5.4.4"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c184301eec9849eb2f7e606b8654722a31d61bdc44d0f4fc9ee2fcf3c9344d8d · sha256:03bab81186cb8cba… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":6.9,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"HIGH","userInteraction":"NONE","vectorString":"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","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c184301eec9849eb2f7e606b8654722a31d61bdc44d0f4fc9ee2fcf3c9344d8d · sha256:03bab81186cb8cba… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-113","description":"CWE-113: Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c184301eec9849eb2f7e606b8654722a31d61bdc44d0f4fc9ee2fcf3c9344d8d · sha256:03bab81186cb8cba… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-93","description":"CWE-93: Improper Neutralization of CRLF Sequences ('CRLF Injection')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c184301eec9849eb2f7e606b8654722a31d61bdc44d0f4fc9ee2fcf3c9344d8d · sha256:03bab81186cb8cba… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"name":"https://github.com/getkirby/kirby/commit/aa33414e1669e866cdd6f4decfae2a669e8bb828","tags":["x_refsource_MISC"],"url":"https://github.com/getkirby/kirby/commit/aa33414e1669e866cdd6f4decfae2a669e8bb828"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c184301eec9849eb2f7e606b8654722a31d61bdc44d0f4fc9ee2fcf3c9344d8d · sha256:03bab81186cb8cba… · /containers/cna/references/1
{"name":"https://github.com/getkirby/kirby/commit/fad9cbd22c73ed0fbd3aaf62310a8dcacfc007cd","tags":["x_refsource_MISC"],"url":"https://github.com/getkirby/kirby/commit/fad9cbd22c73ed0fbd3aaf62310a8dcacfc007cd"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c184301eec9849eb2f7e606b8654722a31d61bdc44d0f4fc9ee2fcf3c9344d8d · sha256:03bab81186cb8cba… · /containers/cna/references/2
{"name":"https://github.com/getkirby/kirby/releases/tag/4.9.4","tags":["x_refsource_MISC"],"url":"https://github.com/getkirby/kirby/releases/tag/4.9.4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c184301eec9849eb2f7e606b8654722a31d61bdc44d0f4fc9ee2fcf3c9344d8d · sha256:03bab81186cb8cba… · /containers/cna/references/3
{"name":"https://github.com/getkirby/kirby/releases/tag/5.4.4","tags":["x_refsource_MISC"],"url":"https://github.com/getkirby/kirby/releases/tag/5.4.4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c184301eec9849eb2f7e606b8654722a31d61bdc44d0f4fc9ee2fcf3c9344d8d · sha256:03bab81186cb8cba… · /containers/cna/references/4
{"name":"https://github.com/getkirby/kirby/security/advisories/GHSA-4v4h-m2qq-ppgw","tags":["x_refsource_CONFIRM"],"url":"https://github.com/getkirby/kirby/security/advisories/GHSA-4v4h-m2qq-ppgw"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c184301eec9849eb2f7e606b8654722a31d61bdc44d0f4fc9ee2fcf3c9344d8d · sha256:03bab81186cb8cba… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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