CVE-2025-1293 HashiCorp Hermes Improperly Validates AWS ALB JWTs, which May Lead to Authentication Bypass
Attackers can bypass authentication in HashiCorp Hermes when using AWS ALB mode due to improper JWT validation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-1293?
CVE-2025-1293 is a high-severity authentication bypass vulnerability in HashiCorp Tooling, published on 20 Feb 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-1390
Which versions are affected by CVE-2025-1293?
3 open source packages ship an affected version, including github.com/hashicorp-forge/hermes. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
github.com/hashicorp-forge/hermes Go | All versions | 0.5.0 |
github.com/hashicorp-forge/hermes Go | All versions | 0.5.0 |
github.com/hashicorp-forge/hermes Go | All versions | 0.5.0 |
Products include Hashicorp Hermes.
How do I fix CVE-2025-1293?
Upgrade github.com/hashicorp-forge/hermes to 0.5.0 or later.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2025-1293 being exploited?
There is no known exploitation of CVE-2025-1293 in the wild and no public exploit code.
Sources
Also known as GHSA-vxm9-8mfw-vc6g, GO-2025-3475.