What is CVE-2026-86503?

CVE-2026-86503 is a low-severity vulnerability in Jetbrains Intellij Idea, classified under Server-Side Request Forgery (SSRF). CVSS score: 3.3/10. Published 2026-09-07.

How severe is CVE-2026-86503?

Low severity. CVSS v3 base score is 3.3 out of 10.

SSRF in Jetbrains Intellij Idea

CVE-2026-86503

In JetBrains IntelliJ IDEA before 2026.2.2 opening an untrusted project could trigger SSRF via Kubernetes spec-source URL fetching

Vulnerability class: SSRF (Server-Side Request Forgery)

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.

Affected products

Jetbrains Intellij Idea

Weakness classification (CWE)

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

References

cve@jetbrains.com

Frequently asked questions

What is CVE-2026-86503?: CVE-2026-86503 is a low-severity vulnerability in Jetbrains Intellij Idea, classified under Server-Side Request Forgery (SSRF). CVSS score: 3.3/10. Published 2026-09-07.
How severe is CVE-2026-86503?: Low severity. CVSS v3 base score is 3.3 out of 10.