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CVE-2026-97736

Estado: AplazadaMedia (5.4)—

tinyauth before 5.1.3 allows rule bypass by appending an allowed route string. This is caused by an unanchored regular expression.

CVSS

Probabilidad de explotación (EPSS)

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).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

Vulnerabilidad de bypass en tinyauth (<5.1.3) mediante regex sin anclas. AV:N permite explotación remota sin privilegios (T1190). Impacto: acceso no autorizado a rutas restringidas.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

User Account ManagementVulnerability ScanningPrivileged Account ManagementOperating System ConfigurationNetwork SegmentationLimit Access to Resource Over Network

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Tinyauth — TinyauthAI

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-97736",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-97736",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-09-26T22:41:43.626491Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "cve@mitre.org",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 5.4,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 2.2
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "repo": "https://github.com/tinyauthapp/tinyauth",
          "vendor": "tinyauth",
          "modules": [
            "forward-auth per-app path ACL"
          ],
          "product": "tinyauth",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "5.1.3",
              "versionType": "semver"
            }
          ],
          "packageName": "github.com/tinyauthapp/tinyauth",
          "programFiles": [
            "internal/service/access_controls_rules.go"
          ],
          "collectionURL": "https://proxy.golang.org",
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-09-25T04:17:50.977",
  "references": [
    {
      "url": "https://github.com/tinyauthapp/tinyauth/security/advisories/GHSA-r27r-rr9v-vv37",
      "source": "cve@mitre.org"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cve@mitre.org",
      "description": [
        {
          "lang": "en",
          "value": "CWE-777"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "tinyauth before 5.1.3 allows rule bypass by appending an allowed route string. This is caused by an unanchored regular expression."
    }
  ],
  "lastModified": "2026-09-30T17:32:07.107",
  "sourceIdentifier": "cve@mitre.org"
}