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VulnerabilityPublished

CVE-2026-100266: JetBrains Hub · Missing Authorization

Affects JetBrains HubSource CVE Database V5

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Not known to be exploited · CVSS 7.7 High : upgrade to 2026.2.52366 soon.

Data as of 14 Nov 2026, 20:43 UTC

CVSS 3.1 base score
7.7High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 13% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 2026.2.52366
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 30 Sep 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 14 Nov 2026.

What to do

Upgrade JetBrains Hub to 2026.2.52366.

Affected software

ProductAffectedFixed in
JetBrainsHubAffected
  • <2026.2.52366
Fixed in
  • 2026.2.52366

AI-suggested

A fix is available in JetBrains Hub version 2026.2.52366. Users should upgrade to this version or later to remediate the vulnerability. No additional mitigation steps are indicated by the vendor advisory.

Description

In JetBrains Hub before 2026.2.52366 missing authorisation allowed authenticated users to send arbitrary emails from the server's trusted address

References

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