SB2026092341 - Incorrect authorization in OpenMetadata



SB2026092341 - Incorrect authorization in OpenMetadata

Published: September 23, 2026

Security Bulletin ID SB2026092341
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Incorrect authorization (CVE-ID: N/A)

CWE-ID: CWE-863 - Incorrect Authorization

CVSSv4: 8.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to gain full administrator access.

The vulnerability exists due to incorrect authorization in the User PATCH handler and token-creation endpoint when processing root-level JSON Patch operations and impersonated token-creation requests. A remote attacker can promote a self-registered account to a bot and obtain an administrator personal access token.

Exploitation requires basic authentication with self-signup enabled.


Remediation

Install update from vendor's website.