In JetBrains IntelliJ IDEA before 2026.3 host name verification was missing for server TLS certificates

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
JetBrains IntelliJ IDEA unaffected
Version Status Constraints
0 affected < 2026.3

No data.

No data.

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Project Subscriptions

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.jetbrains.com/privacy-security/issues-fixed/ cve-icon cve-icon
History

Fri, 06 Nov 2026 18:45:00 +0000

Type Values Removed Values Added
Title Missing Host Name Verification in JetBrains IntelliJ IDEA TLS Connections

Fri, 06 Nov 2026 16:30:00 +0000

Type Values Removed Values Added
Description In JetBrains IntelliJ IDEA before 2026.3 host name verification was missing for server TLS certificates
Weaknesses CWE-297
References
Metrics cvssV3_1

{'score': 7.4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: JetBrains

Published:

Updated: 2026-11-06T16:10:08.438Z

Reserved: 2026-11-06T16:05:45.810Z

Link: CVE-2026-123848

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-06T17:17:23.717

Modified: 2026-11-06T17:17:23.717

Link: CVE-2026-123848

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-06T18:30:09Z

Weaknesses