High severityNVD Advisory· Published Oct 23, 2025· Updated Feb 26, 2026
Vault AWS auth method bypass due to AWS client cache
CVE-2025-11621
Description
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
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/hashicorp/vaultGo | >= 0.6.0, < 1.21.0 | 1.21.0 |
Affected products
8- osv-coords6 versionspkg:apk/chainguard/splunk-otel-collectorpkg:apk/chainguard/splunk-otel-collector-fipspkg:apk/wolfi/splunk-otel-collectorpkg:bitnami/vaultpkg:golang/github.com/hashicorp/vaultpkg:rpm/opensuse/govulncheck-vulndb&distro=openSUSE%20Tumbleweed
< 0.139.2-r0+ 5 more
- (no CPE)range: < 0.139.2-r0
- (no CPE)range: < 0.139.2-r0
- (no CPE)range: < 0.139.2-r0
- (no CPE)range: >= 0.6.0, < 1.21.0
- (no CPE)range: >= 0.6.0, < 1.21.0
- (no CPE)range: < 0.0.20251105T184115-1.1
- Range: 0.6.0
Patches
Vulnerability mechanics
References
4- github.com/advisories/GHSA-9g4h-h484-3578ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2025-11621ghsaADVISORY
- discuss.hashicorp.com/t/hcsec-2025-30-vault-aws-auth-method-authentication-bypass-through-mishandling-of-cache-entries/76709ghsaWEB
- github.com/hashicorp/vault/commit/8d07273d14ae7f5a48cc96f66cc86615dea83390ghsaWEB
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