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CVE-2026-39965

TypeBot is a chatbot builder tool. Versions 3.15.2 and prior contain an SSRF via Open Redirect Bypass as the HTTP Request block and Code block validate the initial request URL via validateHttpReqUrl() to block private IPs and cloud metadata hostnames. However, the HTTP clients (ky and fetch) follow 302 redirects without re-validating the redirect destination. An authenticated user can point a bot block to an attacker-controlled server that responds with a redirect to an internal IP, causing the
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c4e6d9c99d37f67abb4f3c3efabe74a7c63d283bb44720507f38c327db1b7aec
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
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:f30689d15c4cf964f453655fc71d8b72b8f7bd7c6401048a114b9af57167452a · sha256:4dd904cc2a42a86b… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.7,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f30689d15c4cf964f453655fc71d8b72b8f7bd7c6401048a114b9af57167452a · sha256:4dd904cc2a42a86b… · /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:f30689d15c4cf964f453655fc71d8b72b8f7bd7c6401048a114b9af57167452a · sha256:4dd904cc2a42a86b… · /containers/cna/problemTypes/0/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:f30689d15c4cf964f453655fc71d8b72b8f7bd7c6401048a114b9af57167452a · sha256:4dd904cc2a42a86b… · /containers/cna/references/1
{"name":"https://github.com/baptisteArno/typebot.io/security/advisories/GHSA-jxv3-m939-w95c","tags":["x_refsource_CONFIRM"],"url":"https://github.com/baptisteArno/typebot.io/security/advisories/GHSA-jxv3-m939-w95c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f30689d15c4cf964f453655fc71d8b72b8f7bd7c6401048a114b9af57167452a · sha256:4dd904cc2a42a86b… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/baptisteArno/typebot.io/security/advisories/GHSA-jxv3-m939-w95c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f30689d15c4cf964f453655fc71d8b72b8f7bd7c6401048a114b9af57167452a · sha256:4dd904cc2a42a86b… · /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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