GO-2025-3856 OpenBao Login MFA Bypass of Rate Limiting and TOTP Token Reuse in github.com/openbao/openbao

OpenBao Login MFA Bypass of Rate Limiting and TOTP Token Reuse in github.com/openbao/openbao. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports from vulnerability...

CVE-2025-55003

OpenBao CVE-2025-55003 affects OpenBao MFA (TOTP) in versions ≤ 2.3.1, where normalization in the TOTP library allowed whitespace-containing codes to bypass rate limiting and reuse existing MFA codes. The issue is fixed in version 2.3.2. Per the CVE, the exploitation vector is network with low co...