CVE-2026-86505

Project metadata disclosure via missing trust check

Published Sep 7, 2026 · Updated Sep 8, 2026

Information disclosure in JetBrains IntelliJ IDEA before 2026.2.2 allows local users to leak project metadata to JetBrains Marketplace. The IDE transmits project metadata to JetBrains Marketplace without first enforcing its project-trust check. Exploitation requires user interaction with an untrusted project; the reported consequence is limited to project-metadata disclosure.

CVSS severity3.3
Low
EPSS probability0.11%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in JetBrains IntelliJ IDEA before 2026.2.2 allows local users to leak project metadata to JetBrains Marketplace. The IDE transmits project metadata to JetBrains Marketplace without first enforcing its project-trust check. Exploitation requires user interaction with an untrusted project; the reported consequence is limited to project-metadata disclosure.

The record

CVE
CVE-2026-86505
Published
Sep 7, 2026
Updated
Sep 8, 2026
Vendor
JetBrains
Product
IntelliJ IDEA
Classifications
CWE-201
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 7, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 8, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <2026.2.2

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

JetBrains · IntelliJ IDEAversion=0 <2026.2.2

Published CVSS scores

3.3JetBrainsCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-201Insertion of Sensitive Information Into Sent Data

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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