CVE-2026-64814Network attack vector

Unauthenticated access to Remote Development files

Published Jul 23, 2026 · Updated Jul 23, 2026

Unauthorized file access in JetBrains IntelliJ IDEA before 2026.2 allows remote attackers to read files in Remote Development sessions. JetBrains has not disclosed the affected function or the operation that serves a file without authorization. A reachable Remote Development session is required, and exploitation exposes file contents without enabling modification or service interruption.

CVSS severity8.6
High
EPSS probability0.32%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Unauthorized file access in JetBrains IntelliJ IDEA before 2026.2 allows remote attackers to read files in Remote Development sessions. JetBrains has not disclosed the affected function or the operation that serves a file without authorization. A reachable Remote Development session is required, and exploitation exposes file contents without enabling modification or service interruption.

The record

CVE
CVE-2026-64814
Published
Jul 23, 2026
Updated
Jul 23, 2026
Vendor
JetBrains
Product
IntelliJ IDEA
Classifications
CWE-862, T1005
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 23, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 23, 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

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

JetBrains · IntelliJ IDEAversion=0 <2026.2

Published CVSS scores

8.6JetBrainsCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization
T1005Data from Local System

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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