Go Restful API Boilerplate: Hardcoded JWT Secret "random" Allows Token Forgery

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-48031
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-03 20:17:24 UTC
Updated2026-08-03 20:17:24 UTC
Descriptiongo-base is a Go RESTful API Boilerplate template with JWT Authentication, backed by PostgreSQL. In versions prior to 2026-05-18, the JWT signing secret is hardcoded to the known string "random", letting any attacker who reads the public repository forge tokens for arbitrary users, including admin roles, and completely bypass authentication on all protected endpoints. This value is set in two places: the dev.env template (line 10) and a programmatic fallback in cmd/serve.go (line 35), so the application uses it even when no .env file is present. The original mitigation in auth/jwt/tokenauth.go (lines 22 to 25) only caught the exact string "random", letting other weak secrets through, and replaced it with an in-memory key that was not persisted, invalidating all tokens on every restart and effectively causing a denial-of-service. This issue has been fixed in version 2026-05-18.

Risk And Classification

Primary CVSS: v3.1 9.1 CRITICAL from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS: 0.003450000 probability, percentile 0.271620000 (date 2026-08-04)

Problem Types: CWE-798 | CWE-798 CWE-798: Use of Hard-coded Credentials

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary9.1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
3.1CNADECLARED9.1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Dhax Go-base affected 2026-05-18 Not specified

References

ReferenceSourceLinkTags
github.com/dhax/go-base/commit/cc82b9740fa6b08e0fad409cd4b418e240dd0e00 [email protected] github.com
github.com/dhax/go-base/security/advisories/GHSA-mqq6-462x-jxmm 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com
github.com/dhax/go-base/pull/31 [email protected] github.com
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