TI-2025-34704 Aliases CVE-2025-55000 GHSA-f7c3-mhj2-9pvg

OpenBao TOTP Secrets Engine Enables Code Reuse

LOW 28CWE-156Published 2025-08-09 · Updated 2025-08-11

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · None · None
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub.

Summary

OpenBao exists to provide a software solution to manage, store, and distribute sensitive data including secrets, certificates, and keys. In versions 0.1.0 through 2.3.1, OpenBao's TOTP secrets engine could accept valid codes multiple times rather than strictly-once. This was caused by unexpected normalization in the underlying TOTP library. To work around, ensure that all codes are first normalized before submitting to the OpenBao endpoint. TOTP code verification is a privileged action; only trusted systems should be verifying codes.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00236 14th percentileScored 2026-11-07

Fix Fixed openbao (openbao): 2.3.2github.com/openbao/openbao (Go): 2.3.2, 0.0.0-20250806193153-183891f8d535

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
openbao	openbao	0.1.0 to before 2.3.2	2.3.2	Patch available	CNA
—	github.com/openbao/openbao (Go)	0.1.0 to before 2.3.2	2.3.2	Patch available	GHSA-f7c3-mhj2-9pvg
—	github.com/openbao/openbao (Go)	before 0.0.0-20250806193153-183891f8d535	0.0.0-20250806193153-183891f8d535	Patch available	GHSA-f7c3-mhj2-9pvg

openbao Vendoropenbao Affected 0.1.0 to before 2.3.2 Fixed in 2.3.2 Patch available CNA
github.com/openbao/openbao (Go) Vendor— Affected 0.1.0 to before 2.3.2 Fixed in 2.3.2 Patch available GHSA-f7c3-mhj2-9pvg
github.com/openbao/openbao (Go) Vendor— Affected before 0.0.0-20250806193153-183891f8d535 Fixed in 0.0.0-20250806193153-183891f8d535 Patch available GHSA-f7c3-mhj2-9pvg

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:openbao:openbao::::::::	before 2.3.2	Vulnerable	openbao

cpe:2.3:a:openbao:openbao:*:*:*:*:*:*:*:* Versions before 2.3.2 Vulnerable ·openbao

Remediation

Fix · CNA openbao (openbao) Fixed in 2.3.2
Fix · GHSA-f7c3-mhj2-9pvg github.com/openbao/openbao (Go) Fixed in 2.3.2 Advisory →
Fix · GHSA-f7c3-mhj2-9pvg github.com/openbao/openbao (Go) Fixed in 0.0.0-20250806193153-183891f8d535 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2025-55000
2026-10-03 Alias added: GHSA-f7c3-mhj2-9pvg

References

Patch 1

https://github.com/openbao/openbao/commit/183891f8d535d5b6eb3d79fda8200cade6de99e1

Advisory 3

Other 2

TI-2024-01904 Vault Cert Auth Method Did Not Correctly Validate Non-CA Certificates CVSS 3.1CRITICAL 9.8
TI-2026-28381 OpenBao has Decompression Bomb via Unbounded Copy in OCI Plugin Extraction (DoS) CVSS 3.1MEDIUM 6.5
TI-2026-26136 OpenBao lacks user confirmation for OIDC direct callback mode CVSS 3.1CRITICAL 9.6
TI-2026-26137 OpenBao has Reflected XSS in its OIDC authentication error message CVSS 4.0CRITICAL 9.4
TI-2025-34701 OpenBao: Privileged Operator May Execute Code on the Underlying Host CVSS 3.1CRITICAL 9.1
TI-2025-36685 OpenBao vulnerable to denial of service via malicious JSON request processing CVSS 3.1HIGH 7.5

See all 24 →

Sources

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