What is CVE-2026-41413?

CVE-2026-41413 is a medium-severity vulnerability in Istio, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.0/10. Published 2026-05-07.

How severe is CVE-2026-41413?

Medium severity. CVSS v3 base score is 5.0 out of 10.

SSRF in Istio

CVE-2026-41413

Istio is an open platform to connect, manage, and secure microservices. Prior to versions 1.28.6 and 1.29.2, when a RequestAuthentication resource is created with a jwksUri pointing to an internal service, istiod makes an unauthenticated H…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.000 (8.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N.

Affected products

Istio — versions < 1.28.6, >= 1.29.0-alpha.0, < 1.29.2

Weakness classification (CWE)

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

References

https://github.com/istio/istio/security/advisories/GHSA-fgw5-hp8f-xfhc (x_refsource_CONFIRM, Mitigation, Vendor Advisory)
https://github.com/istio/istio/releases/tag/1.28.6 (x_refsource_MISC, Release Notes)
https://github.com/istio/istio/releases/tag/1.29.2 (x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2026-41413?: CVE-2026-41413 is a medium-severity vulnerability in Istio, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.0/10. Published 2026-05-07.
How severe is CVE-2026-41413?: Medium severity. CVSS v3 base score is 5.0 out of 10.