SB2026110363 - Multiple vulnerabilities in MLflow
Published: November 3, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 vulnerabilities.
1) Missing Authorization (CVE-ID: CVE-2026-118624)
CWE-ID: CWE-862 - Missing Authorization
CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to missing authorization within the _find_validator function. A remote user can gain unauthorized access to sensitive information on the system.
2) Missing Authorization (CVE-ID: CVE-2026-118626)
CWE-ID: CWE-862 - Missing Authorization
CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote user to escalate privileges on the system.
The vulnerability exists due to missing authorization within the configuration of the BEFORE_REQUEST_HANDLERS, which leads to security restrictions bypass and privilege escalation.
3) Missing Authorization (CVE-ID: CVE-2026-118625)
CWE-ID: CWE-862 - Missing Authorization
CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a remote user to escalate privileges on the system.
The vulnerability exists due to missing authorization within the get_endpoints function, which leads to security restrictions bypass and privilege escalation.
Remediation
Install update from vendor's website.
References
- https://www.zerodayinitiative.com/advisories/ZDI-26-840/
- https://github.com/mlflow/mlflow/pull/25069
- https://www.zerodayinitiative.com/advisories/ZDI-26-842/
- https://github.com/mlflow/mlflow/pull/25067
- https://www.zerodayinitiative.com/advisories/ZDI-26-841/
- https://github.com/mlflow/mlflow/pull/24354