CVE-2025-64683Network attack vector

Unauthenticated information disclosure via Users API race

Published Nov 10, 2025 · Updated Nov 10, 2025

Race condition in the Users API in JetBrains Hub before 2025.3.104432 allows remote attackers to disclose user information. JetBrains identifies improper synchronization in the Users API but has not disclosed the shared state or exact operation that races. Unauthenticated network access is sufficient, and the documented consequence is limited to reading user information without modification or service interruption.

CVSS severity5.3
Medium
EPSS probability0.20%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Race condition in the Users API in JetBrains Hub before 2025.3.104432 allows remote attackers to disclose user information. JetBrains identifies improper synchronization in the Users API but has not disclosed the shared state or exact operation that races. Unauthenticated network access is sufficient, and the documented consequence is limited to reading user information without modification or service interruption.

The record

CVE
CVE-2025-64683
Published
Nov 10, 2025
Updated
Nov 10, 2025
Vendor
JetBrains
Product
Hub
Classifications
CWE-362, T1213
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 10, 2025CVE publishedPublication date reported by the CVE source.
  2. Nov 10, 2025Record 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 <2025.3.104432

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

JetBrains · Hubversion=0 <2025.3.104432

Published CVSS scores

5.3JetBrains s.r.o.CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

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-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
T1213Data from Information Repositories

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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