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Vulnerability details

CVE-2026-123321

JetBrains WebStorm
CVSS 3.1
7.8High

Official description

In JetBrains WebStorm before 2026.3, 2026.2.3 code execution via Grunt and Gulp task loading was possible in untrusted projects

CVSS scores

ScoreVersionSourceVector
7.8High 3.1 CVEProject cvelistV5 (CNA) (JetBrains) CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

VendorProductVersionsSource
JetBrains WebStorm v < 2026.3, 2026.2.3 CVEProject cvelistV5 (CNA)

References and advisories

1
Kolun on Telegram @kolunsec Exploited CVEs, key news and a daily digest Alerts for this product's next CVEsFollow the product to get new vulnerabilities on Telegram.

Details

Published
2026-11-06
Last updated
2026-11-07
State
Published
Assigner (CNA)
JetBrains

Exploit prediction (EPSS)

0.18%
Probability of exploitation in 30 days
8.4%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

  • CWE-829