What is CVE-2026-118696?

CVE-2026-118696 is a high-severity vulnerability in Jetbrains Clion, classified under Improper Check for Certificate Revocation. CVSS score: 8.0/10. Published 2026-10-30.

How severe is CVE-2026-118696?

High severity. CVSS v3 base score is 8.0 out of 10.

Vulnerability in Jetbrains Clion

CVE-2026-118696

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

Published 2026-10-30 · last modified 2026-10-31.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

CWE-299 — Improper Check for Certificate Revocation

References

Frequently asked questions

What is CVE-2026-118696?: CVE-2026-118696 is a high-severity vulnerability in Jetbrains Clion, classified under Improper Check for Certificate Revocation. CVSS score: 8.0/10. Published 2026-10-30.
How severe is CVE-2026-118696?: High severity. CVSS v3 base score is 8.0 out of 10.