CVE-2025-1293 Details
Description
Hermes versions up to 0.4.0 improperly validated the JWT provided when using the AWS ALB authentication mode, potentially allowing for authentication bypass. This vulnerability, CVE-2025-1293, was fixed in Hermes 0.5.0.
A vulnerability allowing authentication bypass has been identified in HashiCorp Hermes versions prior to 0.4.0. The issue arises from improper validation of JSON Web Tokens (JWTs) when using AWS Application Load Balancer (ALB) for authentication. This flaw could enable a party with direct access to the Hermes application server to bypass authentication controls. The vulnerability, known as 'ALBeast', was addressed in Hermes version 0.5.0.
Users of HashiCorp Hermes should upgrade to version 0.5.0 or later.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Feb 20, 2025References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://discuss.hashicorp.com/t/hcsec-2025-03-hashicorp-hermes-improperly-validates-aws-alb-jwts-which-may-lead-to-authentication-bypass/73371 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-1390 | Weak Authentication | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| hashicorp hermes | < 0.5.0 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Dec 18, 2025 | Initial Analysis | [email protected] |
| Feb 20, 2025 | New CVE Received | [email protected] |