CVE-2026-73306
Budibase is an open-source low-code platform. Prior to 3.39.25, POST /api/global/auth/:tenantId/login incremented the failure counter in packages/worker/src/api/controllers/global/auth.ts only for existing users, while packages/worker/src/middleware/emailLockout.ts returned X-Account-Locked and Retry-After only for locked identifiers. An unauthenticated attacker could compare the response after repeated failures to enumerate valid email addresses and temporarily lock valid accounts. This issue is fixed in version 3.39.25.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Puntuación base: 5.3
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.44%
- Percentil entre todas las CVEs puntuadas: 36
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-204
Referencias
- https://github.com/Budibase/budibase/commit/eaae816ab81615c07eb10e4619af078d00e2a706
- https://github.com/Budibase/budibase/pull/19108
- https://github.com/Budibase/budibase/releases/tag/3.39.25
- https://github.com/Budibase/budibase/security/advisories/GHSA-cr7p-cr3q-h5cm
- https://github.com/Budibase/budibase/security/advisories/GHSA-cr7p-cr3q-h5cm
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-73306",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-73306",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-08-13T12:18:33.414991Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "security-advisories@github.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 5.3,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "LOW"
},
"impactScore": 1.4,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "security-advisories@github.com",
"affectedData": [
{
"vendor": "Budibase",
"product": "budibase",
"versions": [
{
"status": "affected",
"version": "< 3.39.25"
}
]
}
]
}
],
"published": "2026-08-12T20:17:54.270",
"references": [
{
"url": "https://github.com/Budibase/budibase/commit/eaae816ab81615c07eb10e4619af078d00e2a706",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/Budibase/budibase/pull/19108",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/Budibase/budibase/releases/tag/3.39.25",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/Budibase/budibase/security/advisories/GHSA-cr7p-cr3q-h5cm",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/Budibase/budibase/security/advisories/GHSA-cr7p-cr3q-h5cm",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
{
"type": "Secondary",
"source": "security-advisories@github.com",
"description": [
{
"lang": "en",
"value": "CWE-204"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Budibase is an open-source low-code platform. Prior to 3.39.25, POST /api/global/auth/:tenantId/login incremented the failure counter in packages/worker/src/api/controllers/global/auth.ts only for existing users, while packages/worker/src/middleware/emailLockout.ts returned X-Account-Locked and Retry-After only for locked identifiers. An unauthenticated attacker could compare the response after repeated failures to enumerate valid email addresses and temporarily lock valid accounts. This issue is fixed in version 3.39.25."
}
],
"lastModified": "2026-09-08T20:56:50.520",
"sourceIdentifier": "security-advisories@github.com"
}