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CVE-2026-28783

Craft is a content management system (CMS). Prior to 5.9.0-beta.1 and 4.17.0-beta.1, Craft CMS implements a blocklist to prevent potentially dangerous PHP functions from being called via Twig non-Closure arrow functions. In order to be able to successfully execute this attack, you need to either have allowAdminChanges enabled on production, or a compromised admin account, or an account with access to the System Messages utility. Several PHP functions are not included in the blocklist, which coul
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:7bb1fd0fab16e312c9bbdcc0d18f7a8cd5ac52ae7f8ef70be0f79a2d12660c39
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 3 assertions

{"cweId":"CWE-184","description":"CWE-184: Incomplete List of Disallowed Inputs","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:00e6ff89375a06ceb9f8a5d86d60ea2e4457a759869a16421051c28bd28fe4e3 · sha256:d316e477b0e8be99… · /containers/cna/problemTypes/1/descriptions/0

{"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:v2:00e6ff89375a06ceb9f8a5d86d60ea2e4457a759869a16421051c28bd28fe4e3 · sha256:d316e477b0e8be99… · /containers/cna/problemTypes/2/descriptions/0

{"cweId":"CWE-94","description":"CWE-94: Improper Control of Generation of Code ('Code Injection')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:00e6ff89375a06ceb9f8a5d86d60ea2e4457a759869a16421051c28bd28fe4e3 · sha256:d316e477b0e8be99… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"cms","vendor":"craftcms","versions":[{"status":"affected","version":">= 5.0.0-RC1, <= 5.9.0-beta.1"},{"status":"affected","version":">= 4.0.0-RC1, <= 4.17.0-beta.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:00e6ff89375a06ceb9f8a5d86d60ea2e4457a759869a16421051c28bd28fe4e3 · sha256:d316e477b0e8be99… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.4,"baseSeverity":"CRITICAL","privilegesRequired":"HIGH","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:00e6ff89375a06ceb9f8a5d86d60ea2e4457a759869a16421051c28bd28fe4e3 · sha256:d316e477b0e8be99… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

3 source assertions
{"cweId":"CWE-184","description":"CWE-184: Incomplete List of Disallowed Inputs","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:00e6ff89375a06ceb9f8a5d86d60ea2e4457a759869a16421051c28bd28fe4e3 · sha256:d316e477b0e8be99… · /containers/cna/problemTypes/1/descriptions/0
{"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:v2:00e6ff89375a06ceb9f8a5d86d60ea2e4457a759869a16421051c28bd28fe4e3 · sha256:d316e477b0e8be99… · /containers/cna/problemTypes/2/descriptions/0
{"cweId":"CWE-94","description":"CWE-94: Improper Control of Generation of Code ('Code Injection')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:00e6ff89375a06ceb9f8a5d86d60ea2e4457a759869a16421051c28bd28fe4e3 · sha256:d316e477b0e8be99… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/craftcms/cms/pull/18208","tags":["x_refsource_MISC"],"url":"https://github.com/craftcms/cms/pull/18208"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:00e6ff89375a06ceb9f8a5d86d60ea2e4457a759869a16421051c28bd28fe4e3 · sha256:d316e477b0e8be99… · /containers/cna/references/1
{"name":"https://github.com/craftcms/cms/security/advisories/GHSA-5fvc-7894-ghp4","tags":["x_refsource_CONFIRM"],"url":"https://github.com/craftcms/cms/security/advisories/GHSA-5fvc-7894-ghp4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:00e6ff89375a06ceb9f8a5d86d60ea2e4457a759869a16421051c28bd28fe4e3 · sha256:d316e477b0e8be99… · /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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