CVE-2025-1293 json
HashiCorp Hermes Improperly Validates AWS ALB JWTs, which May Lead to Authentication Bypass
published 2025-02-20 20 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-4584 , GHSA-vxm9-8mfw-vc6g , GO-2025-3475
- cvss
- 8.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 28%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- go github.com/hashicorp-forge/hermes 0.5.0
- HashiCorp Tooling 0.5.0
- govulncheck-vulndb openSUSE Tumbleweed 0.0.20250312T181707-1.1
opensuse advisories openSUSE-SU-2025:14889-1
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 20 mo ago
Exploit prediction
0.35% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.2 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N |
| GitHub | 3.1 | 8.2 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N |
| NVD | 3.1 | 8.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| go | github.com/hashicorp-forge/hermes | <0.5.0 |
0.5.0 |
Affected products
- HashiCorp Tooling
Classification
- Weakness
-
- CWE-1390 Weak Authentication
References
-
github.com
/hashicorp-forge/hermes/commit/e36d479616099bd0c8dfde6786ea671f112d9106
web, patch
-
discuss.hashicorp.com
/t/hcsec-2025-03-hashicorp-hermes-improperly-validates-aws-alb-jwts-which-may-lead-to-authentication-bypass/73
web, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2025-1293
advisory
-
github.com
/hashicorp-forge/hermes
package
-
github.com
/advisories/GHSA-vxm9-8mfw-vc6g
advisory
Sources
- CVE List CVE-2025-1293
- GitHub Advisory GHSA-vxm9-8mfw-vc6g
- NVD CVE-2025-1293
- OSV GO-2025-3475
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.