Skip to main content
CVE-2026-123284VulnerabilityPublished

In JetBrains Datalore before 2026.4 improper authorisation on workspace moves allowed view-only collaborators to

Source GCVE Database

0
Compare
Authoritative record:CVE-2026-123284· Medium 6.5

Not known to be exploited · CVSS 6.5 Medium : upgrade to 2026.4 when convenient.

Data as of 6 Nov 2026, 13:48 UTC

CVSS 3.1 base score
6.5Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (JetBrains)CVSS 3.16.5
Patch
Available – fixed in 2026.4
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H

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 6 Nov 2026.

What to do

Upgrade Datalore to 2026.4.

Affected software

ProductAffectedFixed in
JetBrainsDataloreAffected
  • <2026.4
Fixed in
  • 2026.4

AI-suggested

If you cannot patch yet, restrict workspace move permissions to trusted users only and monitor for unusual activity related to workspace modifications.

Description

A vulnerability in JetBrains Datalore before version 2026.4 allows view-only collaborators to modify shared content due to improper authorization on workspace move operations.

References

Community reviews

Loading reviews…