SSRF in Centrifugal Centrifugo

CVE-2026-32301

Centrifugo is an open-source scalable real-time messaging server. Prior to 6.7.0, Centrifugo is vulnerable to Server-Side Request Forgery (SSRF) when configured with a dynamic JWKS endpoint URL using template variables (e.g. {{tenant}}). A…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.001 (28.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-32301?
CVE-2026-32301 is a critical-severity vulnerability in Centrifugal Centrifugo, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.3/10. Published 2026-03-12.
How severe is CVE-2026-32301?
Critical severity. CVSS v3 base score is 9.3 out of 10.