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CVE-2026-42174

Kirby is an open-source content management system. Prior to versions 4.9.0 and 5.4.0, user avatar creation, replacement and deletion are not gated by user update permissions. This issue has been patched in versions 4.9.0 and 5.4.0.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:1537c81ede705e64bc8e4b7a9102c0afa45993d2e21e60ffe96dc3a7cde1b965
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"kirby","vendor":"getkirby","versions":[{"status":"affected","version":"< 4.9.0"},{"status":"affected","version":">= 5.0.0, < 5.4.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d09a75d4e714d58b4f45141ad45a9a801ffa76eb275b7798504b65caf07a0aef · sha256:08d3b0a56bc3e5a3… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.3,"baseSeverity":"MEDIUM","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:d09a75d4e714d58b4f45141ad45a9a801ffa76eb275b7798504b65caf07a0aef · sha256:08d3b0a56bc3e5a3… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-862","description":"CWE-862: Missing Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:d09a75d4e714d58b4f45141ad45a9a801ffa76eb275b7798504b65caf07a0aef · sha256:08d3b0a56bc3e5a3… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/getkirby/kirby/releases/tag/4.9.0","tags":["x_refsource_MISC"],"url":"https://github.com/getkirby/kirby/releases/tag/4.9.0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d09a75d4e714d58b4f45141ad45a9a801ffa76eb275b7798504b65caf07a0aef · sha256:08d3b0a56bc3e5a3… · /containers/cna/references/1
{"name":"https://github.com/getkirby/kirby/releases/tag/5.4.0","tags":["x_refsource_MISC"],"url":"https://github.com/getkirby/kirby/releases/tag/5.4.0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d09a75d4e714d58b4f45141ad45a9a801ffa76eb275b7798504b65caf07a0aef · sha256:08d3b0a56bc3e5a3… · /containers/cna/references/2
{"name":"https://github.com/getkirby/kirby/security/advisories/GHSA-39cp-6679-8xv2","tags":["x_refsource_CONFIRM"],"url":"https://github.com/getkirby/kirby/security/advisories/GHSA-39cp-6679-8xv2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d09a75d4e714d58b4f45141ad45a9a801ffa76eb275b7798504b65caf07a0aef · sha256:08d3b0a56bc3e5a3… · /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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