High severity · published May 29, 2026
CVE-2026-49367
In JetBrains IntelliJ IDEA before 2026.1.1 command execution was possible via the guest user account
8.8
CVSS
0.3%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 26% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
II
IntelliJ IDEA · JetBrains
before 2026.1.1 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-49367
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-49367
Vendor Advisory
https://www.jetbrains.com/privacy-security/issues-fixed/
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