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CVE-2026-48153

Budibase is an open-source low-code platform. Prior to 3.39.0, fetchToken in the OAuth2 SDK makes a POST to a builder-supplied URL with plain node-fetch, skipping the blacklist.isBlacklisted check that every other outbound fetch path in the codebase uses. The Joi schema for the OAuth2 URL has no scheme or host restriction. This vulnerability is fixed in 3.39.0.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:255ceeab49afd7fd9904a066b66eabe9e386d6c98e9f37c65b14042902d03b9e
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"budibase","vendor":"Budibase","versions":[{"status":"affected","version":"< 3.39.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7ef856ae9e57af301ff1e46412822d6eb7d2e375ff6072e3abda5a1e20766719 · sha256:bb40fd97ac6c79d5… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:7ef856ae9e57af301ff1e46412822d6eb7d2e375ff6072e3abda5a1e20766719 · sha256:bb40fd97ac6c79d5… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-918","description":"CWE-918: Server-Side Request Forgery (SSRF)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7ef856ae9e57af301ff1e46412822d6eb7d2e375ff6072e3abda5a1e20766719 · sha256:bb40fd97ac6c79d5… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/Budibase/budibase/security/advisories/GHSA-4q6h-8p4v-67vq","tags":["x_refsource_CONFIRM"],"url":"https://github.com/Budibase/budibase/security/advisories/GHSA-4q6h-8p4v-67vq"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7ef856ae9e57af301ff1e46412822d6eb7d2e375ff6072e3abda5a1e20766719 · sha256:bb40fd97ac6c79d5… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/Budibase/budibase/security/advisories/GHSA-4q6h-8p4v-67vq"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7ef856ae9e57af301ff1e46412822d6eb7d2e375ff6072e3abda5a1e20766719 · sha256:bb40fd97ac6c79d5… · /containers/adp/0/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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