FKIE_CVE-2026-41053

Vulnerability from fkie_nvd - Published: 2026-06-30 12:16 - Updated: 2026-07-02 19:57
Severity ?
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
Incorrect authentication caching in the team member ship expansion of the Rancher Github authentication provider caused it granting principal access to any logged in user, in 2.13 before 2.13.6 and 2.14 before 2.14.2.
References
meissner@suse.dehttps://github.com/rancher/rancher/security/advisories/GHSA-4j6x-2764-m8ghPatch, Vendor Advisory, Mitigation
Impacted products
Vendor Product Version
suse rancher *
suse rancher *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "modules": [
            "github auth provider"
          ],
          "packageName": "Rancher",
          "product": "Rancher",
          "repo": "https://github.com/rancher/rancher/",
          "vendor": "SUSE",
          "versions": [
            {
              "lessThan": "2.14.2",
              "status": "affected",
              "version": "2.14.0",
              "versionType": "semver"
            },
            {
              "lessThan": "2.13.6",
              "status": "affected",
              "version": "2.13.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "meissner@suse.de"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:suse:rancher:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "53E5872E-9F92-4D2E-858D-4563A955B929",
              "versionEndExcluding": "2.13.6",
              "versionStartIncluding": "2.13.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:suse:rancher:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "3CF3233E-9836-4A06-A063-C83D9AE88156",
              "versionEndExcluding": "2.14.2",
              "versionStartIncluding": "2.14.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Incorrect authentication caching in the team member ship expansion of the Rancher Github authentication provider caused it granting principal access to any logged in user, in 2.13 before 2.13.6 and 2.14 before 2.14.2."
    }
  ],
  "id": "CVE-2026-41053",
  "lastModified": "2026-07-02T19:57:44.447",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9,
        "source": "meissner@suse.de",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-41053",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-06-30T00:00:00+00:00",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-06-30T12:16:23.580",
  "references": [
    {
      "source": "meissner@suse.de",
      "tags": [
        "Patch",
        "Vendor Advisory",
        "Mitigation"
      ],
      "url": "https://github.com/rancher/rancher/security/advisories/GHSA-4j6x-2764-m8gh"
    }
  ],
  "sourceIdentifier": "meissner@suse.de",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-303"
        }
      ],
      "source": "meissner@suse.de",
      "type": "Secondary"
    }
  ]
}


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