TypeBot: SSRF protection bypass via IPv6 unspecified address in Typebot HTTP request execution
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
TypeBot is a chatbot builder tool. Prior to 3.17.2, Typebot's shared SSRF validator in packages/lib/src/ssrf/validateHttpReqUrl.ts can be bypassed with the IPv6 unspecified address :: because validateIPAddress blocks local, metadata, and private ranges but does not block :: or its expanded form. A workspace editor or creator can configure a server-side HTTP Request block or guarded script fetch to make the Typebot server connect to local HTTP services through safeKy, including flows triggered by POST /v1/typebots/{publicId}/startChat or POST /v1/sessions/{sessionId}/continueChat. This issue is fixed in version 3.17.2.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| baptisteArno | typebot.io | before 3.17.2 | 3.17.2 | Patch available | CNA |
- typebot.io VendorbaptisteArno Affected before 3.17.2 Fixed in 3.17.2 Patch available CNA
CPE names Threatist (inferred) · 1
Inferred from how NVD named this product before; not given by a source.
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:typebot:typebot:*:*:*:*:*:*:*:* | — | — | baptisteArno |
- cpe:2.3:a:typebot:typebot:*:*:*:*:*:*:*:* Versions — — ·baptisteArno
Remediation
- Fix · CNA typebot.io (baptisteArno) Fixed in 3.17.2
Timeline
- 2026-10-02 Threatist record created from CVE-2026-49213
References
More baptisteArno vulnerabilities
- TI-2026-26091 TypeBot: Unauthenticated SSRF via isolated-vm fetch in preview chat endpoint bypasses SSRF controls CVSS 3.1CRITICAL 10.0
- TI-2026-36038 TypeBot: Unauthenticated arbitrary s3 object write in generate-upload-url via unsanitized fileName CVSS 3.1CRITICAL 9.3
- TI-2026-44929 TypeBot: Arbitrary server file read via Send Email block attachment path CVSS 4.0HIGH 8.7
- TI-2026-36035 TypeBot vulnerable to cross-workspace OAuth credential takeover in updateOAuthCredentials via missing object binding CVSS 3.1CRITICAL 9.9
- TI-2026-35208 TypeBot vulnerable to CSV injection in result export CVSS 3.1CRITICAL 9.6
- TI-2025-40055 Typebot May Expose AWS EKS Credentials via Server Side Request Forgery in Webhook Block CVSS 3.1CRITICAL 9.9
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences