What’s Vulnerable › Vulnerabilities

CVE-2026-118696

• Severity: high (CVSS 8.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-30 · updated 2026-10-31
• Weakness: CWE-299

Description

In JetBrains IntelliJ IDEA, PyCharm, PhpStorm, RubyMine and WebStorm before 2026.3, 2026.2.4, 2026.1.5.1, and 2025.3.6.2; GoLand before 2026.3, 2026.2.4, 2026.1.5.1, and 2025.3.5.2; Rider before 2026.3, 2026.2.4, 2026.1.5.3, and 2025.3.5.3; CLion before 2026.3, 2026.2.4.1, 2026.1.5.2, and 2025.3.6.3; DataGrip before 2026.3, 2026.2.6.1, 2026.1.4.1, and 2025.3.6.1; RustRover before 2026.3, 2026.2.5, 2026.1.4.1, and 2025.3.7.1; DataSpell before 2026.1.3.1 and 2025.3.3.1, the embedded browser trusted revoked intermediate certificates

Affected products

• JetBrains CLion: from 2026.2 before 2026.2.4.1; from 2026.1 before 2026.1.5.2; before 2025.3.6.3 — fixed in 2026.2.4.1, 2026.1.5.2, 2025.3.6.3
• JetBrains DataGrip: from 2026.2 before 2026.2.6.1; from 2026.1 before 2026.1.4.1; before 2025.3.6.1 — fixed in 2026.2.6.1, 2026.1.4.1, 2025.3.6.1
• JetBrains DataSpell: from 2026.1 before 2026.1.3.1; before 2025.3.3.1 — fixed in 2026.1.3.1, 2025.3.3.1
• JetBrains GoLand: from 2026.2 before 2026.2.4; from 2026.1 before 2026.1.5.1; before 2025.3.5.2 — fixed in 2026.2.4, 2026.1.5.1, 2025.3.5.2
• JetBrains IntelliJ IDEA: from 2026.2 before 2026.2.4; from 2026.1 before 2026.1.5.1; before 2025.3.6.2 — fixed in 2026.2.4, 2026.1.5.1, 2025.3.6.2
• JetBrains PhpStorm: from 2026.2 before 2026.2.4; from 2026.1 before 2026.1.5.1; before 2025.3.6.2 — fixed in 2026.2.4, 2026.1.5.1, 2025.3.6.2
• JetBrains PyCharm: from 2026.2 before 2026.2.4; from 2026.1 before 2026.1.5.1; before 2025.3.6.2 — fixed in 2026.2.4, 2026.1.5.1, 2025.3.6.2
• JetBrains Rider: from 2026.2 before 2026.2.4; from 2026.1 before 2026.1.5.3; before 2025.3.5.3 — fixed in 2026.2.4, 2026.1.5.3, 2025.3.5.3
• JetBrains RubyMine: from 2026.2 before 2026.2.4; from 2026.1 before 2026.1.5.1; before 2025.3.6.2 — fixed in 2026.2.4, 2026.1.5.1, 2025.3.6.2
• JetBrains RustRover: from 2026.2 before 2026.2.5; from 2026.1 before 2026.1.4.1; before 2025.3.7.1 — fixed in 2026.2.5, 2026.1.4.1, 2025.3.7.1
• JetBrains WebStorm: from 2026.2 before 2026.2.4; from 2026.1 before 2026.1.5.1; before 2025.3.6.2 — fixed in 2026.2.4, 2026.1.5.1, 2025.3.6.2

How to fix

Upgrade to a fixed version: JetBrains CLion 2026.2.4.1, 2026.1.5.2, 2025.3.6.3; JetBrains DataGrip 2026.2.6.1, 2026.1.4.1, 2025.3.6.1; JetBrains DataSpell 2026.1.3.1, 2025.3.3.1; JetBrains GoLand 2026.2.4, 2026.1.5.1, 2025.3.5.2; JetBrains IntelliJ IDEA 2026.2.4, 2026.1.5.1, 2025.3.6.2; JetBrains PhpStorm 2026.2.4, 2026.1.5.1, 2025.3.6.2; JetBrains PyCharm 2026.2.4, 2026.1.5.1, 2025.3.6.2; JetBrains Rider 2026.2.4, 2026.1.5.3, 2025.3.5.3; JetBrains RubyMine 2026.2.4, 2026.1.5.1, 2025.3.6.2; JetBrains RustRover 2026.2.5, 2026.1.4.1, 2025.3.7.1; JetBrains WebStorm 2026.2.4, 2026.1.5.1, 2025.3.6.2. Check the vendor advisory for mitigations.

References

• https://blog.jetbrains.com/security/2026/10/compromised-emudhra-certificates-ides/
• https://bugzilla.mozilla.org/show_bug.cgi?id=2083449
• https://emudhra.com/en/post/certificate-security-incident
• https://www.jetbrains.com/privacy-security/issues-fixed/

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