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CVE-2026-33687

Sharp is a content management framework built for Laravel as a package. Versions prior to 9.20.0 contain a vulnerability in the file upload endpoint that allows authenticated users to bypass all file type restrictions. The upload endpoint within the `ApiFormUploadController` accepts a client-controlled `validation_rule` parameter. This parameter is directly passed into the Laravel validator without sufficient server-side enforcement. By intercepting the request and sending `validation_rule[]=fil
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:96433eff22ac2248865b2d2fd092b30d8f02e2b1847c6c077bd58e6ba9d305de
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"sharp","vendor":"code16","versions":[{"status":"affected","version":"< 9.20.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f24321dce9f5d39d45fd4051141cc27d72083a3521d133a78fc07df49763cd0b · sha256:acdfb937ea3ce8bb… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f24321dce9f5d39d45fd4051141cc27d72083a3521d133a78fc07df49763cd0b · sha256:acdfb937ea3ce8bb… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-434","description":"CWE-434: Unrestricted Upload of File with Dangerous Type","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f24321dce9f5d39d45fd4051141cc27d72083a3521d133a78fc07df49763cd0b · sha256:acdfb937ea3ce8bb… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"name":"https://github.com/code16/sharp/pull/714","tags":["x_refsource_MISC"],"url":"https://github.com/code16/sharp/pull/714"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f24321dce9f5d39d45fd4051141cc27d72083a3521d133a78fc07df49763cd0b · sha256:acdfb937ea3ce8bb… · /containers/cna/references/1
{"name":"https://github.com/code16/sharp/releases/tag/v9.20.0","tags":["x_refsource_MISC"],"url":"https://github.com/code16/sharp/releases/tag/v9.20.0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f24321dce9f5d39d45fd4051141cc27d72083a3521d133a78fc07df49763cd0b · sha256:acdfb937ea3ce8bb… · /containers/cna/references/2
{"name":"https://github.com/code16/sharp/security/advisories/GHSA-fr76-5637-w3g9","tags":["x_refsource_CONFIRM"],"url":"https://github.com/code16/sharp/security/advisories/GHSA-fr76-5637-w3g9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f24321dce9f5d39d45fd4051141cc27d72083a3521d133a78fc07df49763cd0b · sha256:acdfb937ea3ce8bb… · /containers/cna/references/0
{"name":"https://laravel.com/docs/13.x/filesystem","tags":["x_refsource_MISC"],"url":"https://laravel.com/docs/13.x/filesystem"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f24321dce9f5d39d45fd4051141cc27d72083a3521d133a78fc07df49763cd0b · sha256:acdfb937ea3ce8bb… · /containers/cna/references/3

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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