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CVE-2026-31818

Budibase is an open-source low-code platform. Prior to version 3.33.4, a server-side request forgery (SSRF) vulnerability exists in Budibase's REST datasource connector. The platform's SSRF protection mechanism (IP blacklist) is rendered completely ineffective because the BLACKLIST_IPS environment variable is not set by default in any of the official deployment configurations. When this variable is empty, the blacklist function unconditionally returns false, allowing all requests through without
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f7e3cd52264ebb4cd6036381b7778b77744bfe300938e05631b931983f0b6999
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-918","description":"CWE-918: Server-Side Request Forgery (SSRF)","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:cb70a21fa69103fc5b222abca1059cf934b4f93e312fc537ff9a3407adac7602 · sha256:0a5eb45bd41856d9… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-1188","description":"CWE-1188: Insecure Default Initialization of Resource","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:cb70a21fa69103fc5b222abca1059cf934b4f93e312fc537ff9a3407adac7602 · sha256:0a5eb45bd41856d9… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"budibase","vendor":"Budibase","versions":[{"status":"affected","version":"< 3.33.4"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cb70a21fa69103fc5b222abca1059cf934b4f93e312fc537ff9a3407adac7602 · sha256:0a5eb45bd41856d9… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":9.6,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:cb70a21fa69103fc5b222abca1059cf934b4f93e312fc537ff9a3407adac7602 · sha256:0a5eb45bd41856d9… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"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:cb70a21fa69103fc5b222abca1059cf934b4f93e312fc537ff9a3407adac7602 · sha256:0a5eb45bd41856d9… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-1188","description":"CWE-1188: Insecure Default Initialization of Resource","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:cb70a21fa69103fc5b222abca1059cf934b4f93e312fc537ff9a3407adac7602 · sha256:0a5eb45bd41856d9… · /containers/cna/problemTypes/1/descriptions/0

Source references

4 source assertions
{"name":"https://github.com/Budibase/budibase/commit/5b0fe83d4ece52696b62589cba89ef50cc009732","tags":["x_refsource_MISC"],"url":"https://github.com/Budibase/budibase/commit/5b0fe83d4ece52696b62589cba89ef50cc009732"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cb70a21fa69103fc5b222abca1059cf934b4f93e312fc537ff9a3407adac7602 · sha256:0a5eb45bd41856d9… · /containers/cna/references/2
{"name":"https://github.com/Budibase/budibase/pull/18236","tags":["x_refsource_MISC"],"url":"https://github.com/Budibase/budibase/pull/18236"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cb70a21fa69103fc5b222abca1059cf934b4f93e312fc537ff9a3407adac7602 · sha256:0a5eb45bd41856d9… · /containers/cna/references/1
{"name":"https://github.com/Budibase/budibase/releases/tag/3.33.4","tags":["x_refsource_MISC"],"url":"https://github.com/Budibase/budibase/releases/tag/3.33.4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cb70a21fa69103fc5b222abca1059cf934b4f93e312fc537ff9a3407adac7602 · sha256:0a5eb45bd41856d9… · /containers/cna/references/3
{"name":"https://github.com/Budibase/budibase/security/advisories/GHSA-7r9j-r86q-7g45","tags":["x_refsource_CONFIRM"],"url":"https://github.com/Budibase/budibase/security/advisories/GHSA-7r9j-r86q-7g45"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cb70a21fa69103fc5b222abca1059cf934b4f93e312fc537ff9a3407adac7602 · sha256:0a5eb45bd41856d9… · /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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