Vulnerability in Jetbrains Intellij Idea

CVE-2026-86505

In JetBrains IntelliJ IDEA before 2026.2.2 missing project-trust check leaked project metadata to JetBrains Marketplace

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.002 (4.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 4.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-86505: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-86505?
CVE-2026-86505 is a low-severity vulnerability in Jetbrains Intellij Idea, classified under Insertion of Sensitive Information into Sent Data. CVSS score: 3.3/10. Published 2026-09-07.
How severe is CVE-2026-86505?
Low severity. CVSS v3 base score is 3.3 out of 10.