How severe is CVE-2026-49367?

CVE-2026-49367 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-49367 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-49367?

CVE-2026-49367 affects Jetbrains Intellij Idea. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-49367?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-49367 have an EU (EUVD) identifier?

Yes. CVE-2026-49367 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33415.

When was CVE-2026-49367 published?

CVE-2026-49367 was published on 2026-05-29 and last updated on 2026-06-17.

CVE-2026-49367

CVE-2026-49367 is a high-severity vulnerability in Jetbrains Intellij Idea with a CVSS 3.x base score of 8.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-862.

Key facts

Severity: High (CVSS 3.x base score 8.0)
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-33415
Weakness: CWE-862
Affected product: Jetbrains Intellij Idea
Published: 2026-05-29
Last modified: 2026-06-17

Description

In JetBrains IntelliJ IDEA before 2026.1.1 command execution was possible via the guest user account

Frequently asked questions

What is CVE-2026-49367?: In JetBrains IntelliJ IDEA before 2026.1.1 command execution was possible via the guest user account
How severe is CVE-2026-49367?: CVE-2026-49367 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-49367 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-49367?: CVE-2026-49367 affects Jetbrains Intellij Idea. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-49367?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-49367 have an EU (EUVD) identifier?: Yes. CVE-2026-49367 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33415.
When was CVE-2026-49367 published?: CVE-2026-49367 was published on 2026-05-29 and last updated on 2026-06-17.

References

https://www.jetbrains.com/privacy-security/issues-fixed/

Affected products (1)

cpe:2.3:a:jetbrains:intellij_idea:*:*:*:*:*:*:*:*

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