{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:suse:rancher_fleet:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "0.12.0"
              },
              {
                "fixed": "0.12.15"
              },
              {
                "introduced": "0.13.0"
              },
              {
                "fixed": "0.13.11"
              },
              {
                "introduced": "0.14.0"
              },
              {
                "fixed": "0.14.6"
              },
              {
                "introduced": "0.15.0"
              },
              {
                "fixed": "0.15.2"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "3d1fa6c06ff392c9fa66ca2f46831e2dae23bc16"
            },
            {
              "fixed": "8fc0388c9703d4ade55e9a103153085f585a3d03"
            },
            {
              "introduced": "e0324f2d4c06dad05a298622a1276ea596367b6a"
            },
            {
              "fixed": "9cc729f7dc0b9055938115103581a968a287bccf"
            },
            {
              "introduced": "53de8d76a46c737f4b055dd1a7f2b7ac682537c5"
            },
            {
              "fixed": "e423b88b67752ef11d3607a26b41e57a90859abe"
            },
            {
              "introduced": "c63dc4bb52acb88fea50fe1b5f20db7f3ca6c9d9"
            },
            {
              "fixed": "c8932b5fc204c3f36026d0fabdf41f740873526c"
            }
          ],
          "repo": "https://github.com/rancher/fleet",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-jmf4-m7j9-g72r"
  ],
  "database_specific": {
    "cna_assigner": "suse",
    "cwe_ids": [
      "CWE-918"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44937.json"
  },
  "details": "Potential forgery of webhook requests when using a unauthenticated webhook in SUSE Rancher Fleet 0.15 before 0.15.2, 0.14 before 0.14.6, 0.13 before 0.13.11 and 0.12 before 0.12.5 could be used by remote attackers to cause a denial of service or a downgrade attack on other repositories on the system.",
  "id": "CVE-2026-44937",
  "modified": "2026-07-15T01:49:01.463020619Z",
  "published": "2026-07-06T09:52:18.659Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/rancher/fleet/"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44937.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/rancher/fleet/security/advisories/GHSA-jmf4-m7j9-g72r"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-44937"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "SUSE Rancher Fleet had an Unauthenticated Webhook: Regex Injection via Unsanitized Repository URL Components"
}