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Fencer Vulns
high 8.1

CVE-2026-64815 json

In JetBrains IntelliJ IDEA before 2026.2 arbitrary code injection was possible via UI Designer form files

published 2026-07-23 3 mo ago modified 2026-10-24 16 d ago also EUVD-2026-48240

cvss
8.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 41%
public exploits
0
none known

Summary

In JetBrains IntelliJ IDEA before 2026.2 arbitrary code injection was possible via UI Designer form files

Patch / fix

  • JetBrains IntelliJ IDEA 2026.2

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
3 mo ago

Exploit prediction

0.48% chance of exploitation in the next 30 days, higher than 41% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • JetBrains IntelliJ IDEA

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.