CVE-2026-123314 | BDVDB-2026-401221 Detail

JetBrainsIntelliJ IDEA

Description#

In JetBrains IntelliJ IDEA before 2026.3, 2026.2.4 xXE attack was possible via an XML response to an HTTP Client request

Per CVSS v3.1: confidentiality impact low, integrity impact none, availability impact none. Attack vector: network.

No public exploit known

3.1 Low

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 12.8.

Not listed in the CISA Known Exploited Vulnerabilities catalog.

XML External Entity

No specific action is recorded in the source data. Check the references for vendor guidance.

Not available

3.1 Low

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

Not available

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).