CVE-2026-39845

{
  "id": "CVE-2026-39845",
  "sourceIdentifier": "[email protected]",
  "published": "2026-04-15T19:16:36.373",
  "lastModified": "2026-10-26T21:10:00.170",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Weblate is a web based localization tool. In versions prior to 5.17, the webhook add-on did not utilize existing SSRF protections. This issue has been fixed in version 5.17. If developers are unable to update immediately, they can disable the webhook add-on as a workaround."
    },
    {
      "lang": "es",
      "value": "Weblate es una herramienta de localización basada en web. En versiones anteriores a la 5.17, el complemento de webhook no utilizaba las protecciones SSRF existentes. Este problema ha sido solucionado en la versión 5.17. Si los desarrolladores no pueden actualizar de inmediato, pueden deshabilitar el complemento de webhook como una solución alternativa."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "WeblateOrg",
          "product": "weblate",
          "versions": [
            {
              "version": "< 5.17",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N",
          "baseScore": 4.1,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "HIGH",
          "userInteraction": "NONE",
          "scope": "CHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.3,
        "impactScore": 1.4
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-04-15T19:37:00.454275Z",
          "id": "CVE-2026-39845",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-918"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:weblate:weblate:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "5.17",
              "matchCriteriaId": "64AD3B80-D39E-4EAF-9CF8-B4D3C8A6C58A"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/WeblateOrg/weblate/pull/18815",
      "source": "[email protected]",
      "tags": [
        "Issue Tracking",
        "Patch"
      ]
    },
    {
      "url": "https://github.com/WeblateOrg/weblate/security/advisories/GHSA-f8hv-g549-hwg2",
      "source": "[email protected]",
      "tags": [
        "Third Party Advisory"
      ]
    }
  ]
}