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CVE-2026-34587

Kirby is an open-source content management system. Prior to versions 4.9.0 and 5.4.0, Kirby's user permissions control which user role is allowed to perform specific actions to content models in the CMS. These permissions are defined for each role in the user blueprint (`site/blueprints/users/...`). It is also possible to customize the permissions for each target model in the model blueprints (such as in `site/blueprints/pages/...`) using the `options` feature. The permissions and options togeth
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:878cf13de67f6a35ae40ed2d9f79e3b04ddc08569c1db2efc21afaa105f48468
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:v2:7ff1c6b69760f25de077eccccb276a291b4bf063e7aaa06953179aeb1ac4a588 · sha256:c1e54e52cc4ae0cd… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":7.6,"baseSeverity":"HIGH","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:7ff1c6b69760f25de077eccccb276a291b4bf063e7aaa06953179aeb1ac4a588 · sha256:c1e54e52cc4ae0cd… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-1336","description":"CWE-1336: Improper Neutralization of Special Elements Used in a Template Engine","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7ff1c6b69760f25de077eccccb276a291b4bf063e7aaa06953179aeb1ac4a588 · sha256:c1e54e52cc4ae0cd… · /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:v2:7ff1c6b69760f25de077eccccb276a291b4bf063e7aaa06953179aeb1ac4a588 · sha256:c1e54e52cc4ae0cd… · /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:v2:7ff1c6b69760f25de077eccccb276a291b4bf063e7aaa06953179aeb1ac4a588 · sha256:c1e54e52cc4ae0cd… · /containers/cna/references/2
{"name":"https://github.com/getkirby/kirby/security/advisories/GHSA-jcjw-58rv-c452","tags":["x_refsource_CONFIRM"],"url":"https://github.com/getkirby/kirby/security/advisories/GHSA-jcjw-58rv-c452"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7ff1c6b69760f25de077eccccb276a291b4bf063e7aaa06953179aeb1ac4a588 · sha256:c1e54e52cc4ae0cd… · /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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