CVE-2026-48031

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{"affected": [{"affectedData": [{"product": "go-base", "vendor": "dhax", "versions": [{"status": "affected", "version": "2026-05-18"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "go-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."}, {"lang": "es", "value": "go-base es una plantilla boilerplate de API RESTful de Go con autenticaci\u00f3n JWT, respaldada por PostgreSQL. En versiones anteriores al 2026-05-18, el secreto de firma JWT est\u00e1 codificado de forma r\u00edgida a la cadena conocida \u2019random\u2019, permitiendo a cualquier atacante que lea el repositorio p\u00fablico forjar tokens para usuarios arbitrarios, incluyendo roles de administrador, y eludir completamente la autenticaci\u00f3n en todos los puntos finales protegidos. Este valor se establece en dos lugares: la plantilla dev.env (l\u00ednea 10) y una alternativa program\u00e1tica en cmd/serve.go (l\u00ednea 35), por lo que la aplicaci\u00f3n lo usa incluso cuando no hay un archivo .env presente. La mitigaci\u00f3n original en auth/jwt/tokenauth.go (l\u00edneas 22 a 25) solo detectaba la cadena exacta \u2019random\u2019, permitiendo el paso de otros secretos d\u00e9biles, y la reemplazaba con una clave en memoria que no se persist\u00eda, invalidando todos los tokens en cada reinicio y causando efectivamente una denegaci\u00f3n de servicio. Este problema ha sido solucionado en la versi\u00f3n 2026-05-18."}], "id": "CVE-2026-48031", "lastModified": "2026-10-23T21:10:00.157", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.2, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-48031", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-08-03T19:48:46.447146Z", "version": "2.0.3"}}]}, "published": "2026-08-03T20:17:24.200", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/dhax/go-base/commit/cc82b9740fa6b08e0fad409cd4b418e240dd0e00"}, {"source": "security-advisories@github.com", "url": "https://github.com/dhax/go-base/pull/31"}, {"source": "security-advisories@github.com", "url": "https://github.com/dhax/go-base/security/advisories/GHSA-mqq6-462x-jxmm"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/dhax/go-base/security/advisories/GHSA-mqq6-462x-jxmm"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-798"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "2026-05-18"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "go-base", "source": "cna", "vendor": "dhax"}, "product": "go-base", "vendor": "dhax"}], "created": "2026-08-04T21:00:11.318272+00:00", "updated": "2026-08-05T10:21:40.073821+00:00", "vendors": ["dhax", "dhax$PRODUCT$go-base"]}