CVE-2026-27771

Estado: AplazadaAlta (8.2)—

Gitea versions up to and including 1.26.1 have insufficient permission checks for Composer package source links, which can expose private or internal package source information.

CVSS

Versión: 3.0
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Puntuación base: 8.2

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 1.39%
Percentil entre todas las CVEs puntuadas: 71
Fecha de la puntuación: 5/10/2026

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).

🎯 Técnicas ATT&CK

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

ExplotaciónT1190 Exploit Public-Facing Applicationinitial access85 %
Impacto principalT1552.007 Container APIcredential access80 %
Impacto secundarioT1078.004 Cloud Accountsstealth · persistence · privilege escalation · initial access60 %

Vector CVSS red sin autenticación (AV:N/PR:N) indica T1190. CWE-862 (permisos insuficientes) expone datos sensibles (credenciales, URLs internas). Impacto principal: lectura de secretos en configuración; secundario: acceso con credenciales expuestas.

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

Privileged Account Management User Account Management Network Segmentation Limit Access to Resource Over Network Active Directory Configuration Vulnerability Scanning

Tecnologías afectadas (1)

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

Gitea — Gitea^AI

CWE

CWE-862

Referencias

JSON original (NVD)

Mostrar

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  "id": "CVE-2026-27771",
  "cveTags": [],
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          "id": "CVE-2026-27771",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-07-07T14:32:50.774085Z"
        }
      }
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    "cvssMetricV30": [
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          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
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      "affectedData": [
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      "source": "88ee5874-cf24-4952-aea0-31affedb7ff2"
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    {
      "lang": "en",
      "value": "Gitea versions up to and including 1.26.1 have insufficient permission checks for Composer package source links, which can expose private or internal package source information."
    }
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  "lastModified": "2026-07-07T18:16:37.980",
  "sourceIdentifier": "88ee5874-cf24-4952-aea0-31affedb7ff2"
}