Skip to main content
VulnerabilityPublished

CVE-2026-123300: JetBrains Hub · Missing Authorization

Affects JetBrains HubSource CVE Database V5

0
Compare

Not known to be exploited · CVSS 2.7 Low : upgrade to 2026.2.52519 when convenient.

Data as of 6 Nov 2026, 11:03 UTC

CVSS 3.1 base score
2.7Low
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (JetBrains)CVSS 3.12.7
Patch
Available – fixed in 2026.2.52519
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 6 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.

What to do

Upgrade JetBrains Hub to 2026.2.52519.

Affected software

ProductAffectedFixed in
JetBrainsHubAffected
  • <2026.2.52519
Fixed in
  • 2026.2.52519

AI-suggested

Upgrade JetBrains Hub to version 2026.2.52519 or later, where this authorization issue has been fixed. No other mitigation is required as the vulnerability is resolved in the fixed version.

Description

CVE-2026-123300 is a vulnerability in JetBrains Hub before version 2026.2.52519 where missing authorization allowed users with read-only access to modify authentication module group mappings. This flaw was fixed in version 2026.2.52519. The vulnerability has a low CVSS score of 2.7, indicating limited impact.

References

Community reviews

Loading reviews…