CVE-2026-49278: CWE-285: Improper Authorization in RocketChat Rocket.Chat
A vulnerability in Rocket.Chat prior to versions 8.5.0, 8.4.2, 8.3.4, 8.2.4, 8.1.5, 8.0.6, 7.13.8, and 7.10.12 allows improper authorization due to the visitors.info endpoint returning a token in its response. This token exposure is unnecessary and considered a security risk. The issue is fixed in the stated versions.
AI Analysis
Technical Summary
CVE-2026-49278 describes an improper authorization vulnerability (CWE-285) in Rocket.Chat's visitors.info API endpoint. In affected versions prior to 8.5.0, 8.4.2, 8.3.4, 8.2.4, 8.1.5, 8.0.6, 7.13.8, and 7.10.12, the endpoint returns a token in the response where it is not needed, potentially exposing sensitive information. The vulnerability is addressed by removing the token from the response in the fixed versions.
Potential Impact
The exposure of a token in the visitors.info endpoint response could lead to unauthorized access or privilege escalation if the token is used for authentication or session management. The CVSS score of 6.7 (medium severity) reflects a network attack vector with low attack complexity but requiring high privileges, impacting confidentiality and integrity with limited availability impact.
Mitigation Recommendations
Upgrade Rocket.Chat to one of the fixed versions: 8.5.0, 8.4.2, 8.3.4, 8.2.4, 8.1.5, 8.0.6, 7.13.8, or 7.10.12. These versions remove the token from the visitors.info endpoint response, eliminating the vulnerability. No other mitigation steps are indicated.
CVE-2026-49278: CWE-285: Improper Authorization in RocketChat Rocket.Chat
Description
A vulnerability in Rocket.Chat prior to versions 8.5.0, 8.4.2, 8.3.4, 8.2.4, 8.1.5, 8.0.6, 7.13.8, and 7.10.12 allows improper authorization due to the visitors.info endpoint returning a token in its response. This token exposure is unnecessary and considered a security risk. The issue is fixed in the stated versions.
CVSS v3.1
Score 6.7medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-49278 describes an improper authorization vulnerability (CWE-285) in Rocket.Chat's visitors.info API endpoint. In affected versions prior to 8.5.0, 8.4.2, 8.3.4, 8.2.4, 8.1.5, 8.0.6, 7.13.8, and 7.10.12, the endpoint returns a token in the response where it is not needed, potentially exposing sensitive information. The vulnerability is addressed by removing the token from the response in the fixed versions.
Potential Impact
The exposure of a token in the visitors.info endpoint response could lead to unauthorized access or privilege escalation if the token is used for authentication or session management. The CVSS score of 6.7 (medium severity) reflects a network attack vector with low attack complexity but requiring high privileges, impacting confidentiality and integrity with limited availability impact.
Mitigation Recommendations
Upgrade Rocket.Chat to one of the fixed versions: 8.5.0, 8.4.2, 8.3.4, 8.2.4, 8.1.5, 8.0.6, 7.13.8, or 7.10.12. These versions remove the token from the visitors.info endpoint response, eliminating the vulnerability. No other mitigation steps are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-05-28T20:07:58.861Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a3c4ce24853345fc1df8d6c
Added to database: 06/24/2026, 21:32:18 UTC
Last enriched: 06/24/2026, 21:46:47 UTC
Last updated: 06/24/2026, 21:46:47 UTC
Views: 3
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