SB2025102838 - User impersonation in OpenBao AWS Plugin
Published: October 28, 2025
Security Bulletin ID
SB2025102838
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper privilege management (CVE-ID: CVE-2025-59048)
The vulnerability allows a remote user to impersonate other users.
The vulnerability exists due to a flawed caching mechanism that fails to validate the AWS Account ID during authentication. An IAM role from an untrusted AWS account to authenticate by impersonating a role with the same name in a trusted account, leading to unauthorized access.
Remediation
Install update from vendor's website.