Vault AWS auth method bypass due to AWS client cache (CVE-2025-11621)

Summary

Vault AWS auth method bypass due to AWS client cache

Original description

The description as published by the source.

Vault and Vault Enterprise’s (“Vault”) AWS Auth method may be susceptible to authentication bypass if the role of the configured bound_principal_iam is the same across AWS accounts, or uses a wildcard. This vulnerability, CVE-2025-11621, is fixed in Vault Community Edition 1.21.0 and Vault Enterprise 1.21.0, 1.20.5, 1.19.11, and 1.16.27

Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV

Affected packages

Bitnami vault

[{"type":"SEMVER","events":[{"introduced":"0.6.0"},{"fixed":"1.21.0"}]}]

References

advisory discuss.hashicorp.com
web nvd.nist.gov