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 server-side request forgery. The attack can be launched remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (35.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 35.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.002
Affected products
- Chatwoot — versions 4.11.0, 4.11.1, 4.11.2
Weakness classification (CWE)
References
- vuldb.com/vuln/354333 (technical-description, vdb-entry)
- vuldb.com/vuln/354333/cti (signature, permissions-required)
- vuldb.com/submit/780305 (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.