CVE-2026-48762 baptisteArno CVE debrief

Who should care

Defenders responsible for TypeBot instances should verify exposure to untrusted input and upgrade to version 3.16.0 or later. They should also review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance. Additionally, defenders should plan vendor-supported updates or mitigations through normal change control where exposure is confirmed and monitor for suspicious activity related to TypeBot.

Why it matters

CVE-2026-48762 is a SSRF vulnerability in TypeBot that allows attackers to make HTTP requests to internal addresses and localhost. Defenders should verify exposure and upgrade to version 3.16.0 or later.

• Verify exposure of TypeBot instances to untrusted input
• Upgrade to version 3.16.0 or later to prevent SSRF
• Monitor for suspicious activity related to TypeBot

Technical summary

The OpenAI 'Create Transcription' action handler in TypeBot fetches user-supplied audio URLs without applying SSRF protection, allowing attackers to make HTTP requests to internal addresses and localhost. This vulnerability allows attackers to potentially access sensitive information or disrupt service. Defenders should prioritize verifying exposure of TypeBot instances to untrusted input and upgrading to version 3.16.0 or later. The vulnerability is in chatbot builder tool, prior to version 3.16.0, and has been addressed in later versions.

Defensive priority

Defenders should prioritize verifying exposure of TypeBot instances to untrusted input and upgrading to version 3.16.0 or later.

Recommended defensive actions

• Verify TypeBot instances are upgraded to version 3.16.0 or later
• Restrict input to the OpenAI 'Create Transcription' action handler
• Monitor for suspicious activity related to TypeBot
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and NVD entry provide details on the vulnerability in TypeBot, a chatbot builder tool, which allows attackers to make HTTP requests to internal addresses and localhost through the OpenAI 'Create Transcription' action handler. Defenders should verify exposure to untrusted input and upgrade to version 3.16.0 or later. The fetched content is passed to the OpenAI Whisper API, and the transcription result is returned to the attacker. Evidence is limited, and defenders should review the supplied official advisory or CVE to

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.