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CVE-2026-33712

Typebot is a chatbot builder tool. In versions 3.15.2 and prior, the preview chat endpoint (POST /api/v1/typebots/{typebotId}/preview/startChat) allows unauthenticated users to achieve Server-Side Request Forgery (SSRF) by supplying a custom typebot definition with server-side code blocks. The fetch function exposed inside the isolated-vm sandbox calls Node.js native fetch without the SSRF validation (validateHttpReqUrl) that protects the HTTP Request block. This bypasses all SSRF mitigations ad
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:82162e9e7fde50f8aca7777c470cdbd102601c6fd84919b3038e97de439bbf7f
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-862","description":"CWE-862: Missing Authorization","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0ce96c39868fd739c46e4961752614fc2a7870bada534259c445be62808b8c1b · sha256:68d8f006b78db72b… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-918","description":"CWE-918: Server-Side Request Forgery (SSRF)","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0ce96c39868fd739c46e4961752614fc2a7870bada534259c445be62808b8c1b · sha256:68d8f006b78db72b… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"typebot.io","vendor":"baptisteArno","versions":[{"status":"affected","version":"< 3.16.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0ce96c39868fd739c46e4961752614fc2a7870bada534259c445be62808b8c1b · sha256:68d8f006b78db72b… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":10,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/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:v2:0ce96c39868fd739c46e4961752614fc2a7870bada534259c445be62808b8c1b · sha256:68d8f006b78db72b… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-862","description":"CWE-862: Missing Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0ce96c39868fd739c46e4961752614fc2a7870bada534259c445be62808b8c1b · sha256:68d8f006b78db72b… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-918","description":"CWE-918: Server-Side Request Forgery (SSRF)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0ce96c39868fd739c46e4961752614fc2a7870bada534259c445be62808b8c1b · sha256:68d8f006b78db72b… · /containers/cna/problemTypes/1/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/baptisteArno/typebot.io/releases/tag/v3.16.0","tags":["x_refsource_MISC"],"url":"https://github.com/baptisteArno/typebot.io/releases/tag/v3.16.0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0ce96c39868fd739c46e4961752614fc2a7870bada534259c445be62808b8c1b · sha256:68d8f006b78db72b… · /containers/cna/references/1
{"tags":["exploit"],"url":"https://github.com/baptisteArno/typebot.io/security/advisories/GHSA-vc2q-r6rq-ggj9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0ce96c39868fd739c46e4961752614fc2a7870bada534259c445be62808b8c1b · sha256:68d8f006b78db72b… · /containers/adp/0/references/0
{"name":"https://github.com/baptisteArno/typebot.io/security/advisories/GHSA-vc2q-r6rq-ggj9","tags":["x_refsource_CONFIRM"],"url":"https://github.com/baptisteArno/typebot.io/security/advisories/GHSA-vc2q-r6rq-ggj9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0ce96c39868fd739c46e4961752614fc2a7870bada534259c445be62808b8c1b · sha256:68d8f006b78db72b… · /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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