CVE-2026-49369Network attack vector

Authenticated user and group information disclosure

Published May 29, 2026 · Updated May 29, 2026

Incorrect authorization in JetBrains YouTrack before 2026.1.13162 allows remote authenticated users to view restricted user and group information. JetBrains identifies the affected locus only as the Users and Groups pages and has not published the authorization operation that mishandles access. Network access and a low-privilege account are required; the reported consequence is limited to disclosure, without modification or service interruption.

CVSS severity4.3
Medium
EPSS probability0.21%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Incorrect authorization in JetBrains YouTrack before 2026.1.13162 allows remote authenticated users to view restricted user and group information. JetBrains identifies the affected locus only as the Users and Groups pages and has not published the authorization operation that mishandles access. Network access and a low-privilege account are required; the reported consequence is limited to disclosure, without modification or service interruption.

The record

CVE
CVE-2026-49369
Published
May 29, 2026
Updated
May 29, 2026
Vendor
JetBrains
Product
YouTrack
Classifications
CWE-863, T1087
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 29, 2026CVE publishedPublication date reported by the CVE source.
  2. May 29, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=0 <2026.1.13162

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

JetBrains · YouTrackversion=0 <2026.1.13162

Published CVSS scores

4.3JetBrains s.r.o.CVSS:3.1/AV:N/AC:L/PR:L/UI:N/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.

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

No observations available

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

Weakness, pattern, technique

CWE-863Incorrect Authorization
T1087Account Discovery

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

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo