Authentication Bypass Using an Alternate Path or Channel Affecting github.com/hashicorp/vault/builtin/credential/aws package, versions >=0.6.0 <1.21.0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-GOLANG-GITHUBCOMHASHICORPVAULTBUILTINCREDENTIALAWS-13704162
- published24 Oct 2025
- disclosed23 Oct 2025
- creditPavlos Karakalidis
Introduced: 23 Oct 2025
NewCVE-2025-11621 Â (opens in a new tab)How to fix?
Upgrade github.com/hashicorp/vault/builtin/credential/aws to version 1.21.0 or higher.
Overview
Affected versions of this package are vulnerable to Authentication Bypass Using an Alternate Path or Channel via the AWS Auth method. An attacker can gain unauthorized access by exploiting mishandling of cache entries when the configured bound_principal_iam role is identical across AWS accounts or uses a wildcard.