What is CVE-2026-5205?

CVE-2026-5205 is a medium-severity vulnerability in Chatwoot, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.3/10. Published 2026-03-31.

How severe is CVE-2026-5205?

Medium severity. CVSS v3 base score is 6.3 out of 10.

SSRF in Chatwoot

CVE-2026-5205

A vulnerability was identified in chatwoot up to 4.11.2. Affected by this vulnerability is the function Webhooks::Trigger in the library lib/webhooks/trigger.rb of the component Webhook API. Such manipulation of the argument url leads to s…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.000 (12.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

N/a Chatwoot — versions 4.11.0, 4.11.1, 4.11.2

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

VDB-354333 | chatwoot Webhook API trigger.rb Trigger server-side request forgery (technical-description, vdb-entry)
VDB-354333 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
Submit #780305 | Chatwoot 4.11.2 Server-Side Request Forgery (third-party-advisory)

Frequently asked questions

What is CVE-2026-5205?: CVE-2026-5205 is a medium-severity vulnerability in Chatwoot, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.3/10. Published 2026-03-31.
How severe is CVE-2026-5205?: Medium severity. CVSS v3 base score is 6.3 out of 10.