Vulnerability · Published Feb 20, 2025 · Assigned by HashiCorp
CVE-2025-1293HashiCorp Hermes Improperly Validates AWS ALB JWTs, which May Lead to Authentication Bypass
High 8.2
In plain English
A high-severity security flaw in Tooling from HashiCorp. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)8.2High
Exploit odds (30 days)0.3%top 71.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/hashicorp-forge/hermes | 0.5.0 | GHSA-vxm9-8mfw-vc6g |
| Go | github.com/hashicorp-forge/hermes | 0.5.0 | GO-2025-3475 |
Affected products (as reported)
Weakness: CWE-1390 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N