CVE-2026-49367: CWE-862 in JetBrains IntelliJ IDEA
CVE-2026-49367 is a high-severity vulnerability in JetBrains IntelliJ IDEA before version 2026.1.1 that allows command execution via the guest user account. The vulnerability is classified under CWE-862, indicating an authorization bypass issue. The CVSS 3.1 base score is 8.0, reflecting high impact on confidentiality, integrity, and availability. No official patch or remediation guidance has been provided yet by the vendor. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-49367) affects JetBrains IntelliJ IDEA versions prior to 2026.1.1 and involves an authorization bypass (CWE-862) that enables command execution through the guest user account. The CVSS 3.1 vector indicates network attack vector, low attack complexity, requires low privileges, user interaction is required, and results in high impact on confidentiality, integrity, and availability. No patch or official remediation level has been disclosed by JetBrains as of the publication date.
Potential Impact
Successful exploitation allows an attacker with guest user access to execute commands, potentially leading to full compromise of the affected system's confidentiality, integrity, and availability. This could enable unauthorized actions within the IntelliJ IDEA environment, posing a significant security risk.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict or disable guest user access to IntelliJ IDEA to mitigate the risk of exploitation.
CVE-2026-49367: CWE-862 in JetBrains IntelliJ IDEA
Description
CVE-2026-49367 is a high-severity vulnerability in JetBrains IntelliJ IDEA before version 2026.1.1 that allows command execution via the guest user account. The vulnerability is classified under CWE-862, indicating an authorization bypass issue. The CVSS 3.1 base score is 8.0, reflecting high impact on confidentiality, integrity, and availability. No official patch or remediation guidance has been provided yet by the vendor. There are no known exploits in the wild at this time.
CVSS v3.1
Score 8.0high
Affected software
pkg:github/jetbrains/IntelliJ-IDEARun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-49367) affects JetBrains IntelliJ IDEA versions prior to 2026.1.1 and involves an authorization bypass (CWE-862) that enables command execution through the guest user account. The CVSS 3.1 vector indicates network attack vector, low attack complexity, requires low privileges, user interaction is required, and results in high impact on confidentiality, integrity, and availability. No patch or official remediation level has been disclosed by JetBrains as of the publication date.
Potential Impact
Successful exploitation allows an attacker with guest user access to execute commands, potentially leading to full compromise of the affected system's confidentiality, integrity, and availability. This could enable unauthorized actions within the IntelliJ IDEA environment, posing a significant security risk.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict or disable guest user access to IntelliJ IDEA to mitigate the risk of exploitation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- JetBrains
- Date Reserved
- 2026-05-29T18:07:52.857Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a19dc0ae29bf47b50ff8616
Added to database: 05/29/2026, 18:33:46 UTC
Last enriched: 06/05/2026, 21:08:54 UTC
Last updated: 07/31/2026, 19:22:59 UTC
Views: 85
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