CVE-2026-4984: The Twilio integration webhook handler accepts any POST request without validating Twilio's 'X-Twilio-Signatur

Routine

HIGH 8.2REMOTEMITIGATE

CVE-2026-4984 is a high-severity flaw (CVSS 8.2) affecting botpress. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Twilio integration webhook handler accepts any POST request without validating Twilio's 'X-Twilio-Signature'. When processing media messages, it fetches user-controlled URLs ('MediaUrlN' parameters) using HTTP requests that include the integration's Twilio credentials in the 'Authorization' header. An attacker can forge a webhook payload pointing to their own server and receive the victim's 'accountSID' and 'authToken' in plaintext (base64-

Why this priority

High severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.2 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 95%)
CISA exploited list	No
Weakness	CWE-345, CWE-352
Published	2026-03-27
Last modified	2026-08-18

Publisher (CNA): Tenable Network Security, Inc. · Vendor: botpress

Last updated 2026-08-18 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-27 15:17 UTCPublished CVE record published
2026-08-18 18:04 UTCUpdated Record last modified

botpress botpress MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy botpress || rpm -q botpress || botpress --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-4984?

botpress: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-4984 being exploited?

CVE-2026-4984 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-4984 affect?

CVE-2026-4984 affects botpress. Severity is high (CVSS 8.2). The Twilio integration webhook handler accepts any POST request without validating Twilio's 'X-Twilio-Signature'. When processing media messages, it fetches user-controlled URLs ('MediaUrlN' parameters) using HTTP requests that include the

How urgent is CVE-2026-4984?

Priority 35/100. High severity; Remotely exploitable, no login, no user action

Software pages

Twilio vulnerabilities

References

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