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CVE-2026-46426

Budibase is an open-source low-code platform. Prior to 3.38.2, the file upload endpoint POST /api/attachments/process does not enforce active-content restrictions for authenticated users. The checks for dangerous file extensions are conditionally wrapped inside if (isPublicUser) or if (isPublicUser || !env.SELF_HOSTED), meaning any authenticated builder can upload executable web content — SVG files with inline <script> tags, HTML pages with JavaScript, .js modules — which are then stored in the
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:1d36874de25420bc8aab9a32efaf73069c6dfe7363647c210812a76f0e525193
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-79","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9dca694990c18c6a27fa62113965bb4252488d38bde50e26e7430f7aa0182bca · sha256:e35dacfdb5003c4e… · /containers/cna/problemTypes/0/descriptions/0

{"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:v2:9dca694990c18c6a27fa62113965bb4252488d38bde50e26e7430f7aa0182bca · sha256:e35dacfdb5003c4e… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"budibase","vendor":"Budibase","versions":[{"status":"affected","version":"< 3.38.2"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9dca694990c18c6a27fa62113965bb4252488d38bde50e26e7430f7aa0182bca · sha256:e35dacfdb5003c4e… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.6,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9dca694990c18c6a27fa62113965bb4252488d38bde50e26e7430f7aa0182bca · sha256:e35dacfdb5003c4e… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-79","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9dca694990c18c6a27fa62113965bb4252488d38bde50e26e7430f7aa0182bca · sha256:e35dacfdb5003c4e… · /containers/cna/problemTypes/0/descriptions/0
{"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:v2:9dca694990c18c6a27fa62113965bb4252488d38bde50e26e7430f7aa0182bca · sha256:e35dacfdb5003c4e… · /containers/cna/problemTypes/1/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/Budibase/budibase/releases/tag/3.38.2","tags":["x_refsource_MISC"],"url":"https://github.com/Budibase/budibase/releases/tag/3.38.2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9dca694990c18c6a27fa62113965bb4252488d38bde50e26e7430f7aa0182bca · sha256:e35dacfdb5003c4e… · /containers/cna/references/1
{"tags":["exploit"],"url":"https://github.com/Budibase/budibase/security/advisories/GHSA-82rc-gxrg-v4gf"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9dca694990c18c6a27fa62113965bb4252488d38bde50e26e7430f7aa0182bca · sha256:e35dacfdb5003c4e… · /containers/adp/0/references/0
{"name":"https://github.com/Budibase/budibase/security/advisories/GHSA-82rc-gxrg-v4gf","tags":["x_refsource_CONFIRM"],"url":"https://github.com/Budibase/budibase/security/advisories/GHSA-82rc-gxrg-v4gf"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9dca694990c18c6a27fa62113965bb4252488d38bde50e26e7430f7aa0182bca · sha256:e35dacfdb5003c4e… · /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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