FKIE_CVE-2026-44946

Vulnerability from fkie_nvd - Published: 2026-06-30 13:18 - Updated: 2026-07-02 19:58
Severity
7.4 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Summary
A SAML authentication replay vulnerability in Rancher's Assertion Consumer Service (ACS) handler did not enforce one-time use of SAML assertion, potentially allowing person in the middle attacks against Rancher, affecting Rancher 2.14.0 before 2.14.3,
References
meissner@suse.dehttps://github.com/rancher/rancher/security/advisories/GHSA-c5jm-xcmq-9j95Vendor Advisory, Mitigation
Impacted products
Vendor Product Version
suse rancher *
suse rancher *
suse rancher *
suse rancher *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "packageName": "Rancher",
          "product": "Rancher",
          "repo": "https://github.com/rancher/rancher/",
          "vendor": "SUSE",
          "versions": [
            {
              "lessThan": "2.14.3",
              "status": "affected",
              "version": "2.14.0",
              "versionType": "semver"
            },
            {
              "lessThan": "2.13.7",
              "status": "affected",
              "version": "2.13.0",
              "versionType": "semver"
            },
            {
              "lessThan": "2.12.11",
              "status": "affected",
              "version": "2.12.0",
              "versionType": "semver"
            },
            {
              "lessThan": "2.11.15",
              "status": "affected",
              "version": "2.11.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "meissner@suse.de"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:suse:rancher:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "38204360-B1AB-4425-8298-908CCD36BE54",
              "versionEndExcluding": "2.11.15",
              "versionStartIncluding": "2.11.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:suse:rancher:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "9CE33F3B-DCD6-42FA-8307-F23409811EB7",
              "versionEndExcluding": "2.12.11",
              "versionStartIncluding": "2.12.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:suse:rancher:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "779211E8-CD41-4A47-8AC6-874E93B3DE6A",
              "versionEndExcluding": "2.13.7",
              "versionStartIncluding": "2.13.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:suse:rancher:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "CD122BA5-53B7-4FFD-A0A6-CA0568C654A8",
              "versionEndExcluding": "2.14.3",
              "versionStartIncluding": "2.14.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A SAML authentication replay vulnerability in Rancher\u0027s Assertion\n Consumer Service (ACS) handler did not enforce \none-time use of SAML assertion, potentially allowing person in the middle attacks against Rancher, affecting Rancher 2.14.0 before 2.14.3,"
    }
  ],
  "id": "CVE-2026-44946",
  "lastModified": "2026-07-02T19:58:48.540",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.4,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.2,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "HIGH",
          "attackRequirements": "PRESENT",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 9.5,
          "baseSeverity": "CRITICAL",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "HIGH",
          "subConfidentialityImpact": "HIGH",
          "subIntegrityImpact": "HIGH",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "NONE",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "meissner@suse.de",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-44946",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-06-30T00:00:00+00:00",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-06-30T13:18:42.190",
  "references": [
    {
      "source": "meissner@suse.de",
      "tags": [
        "Vendor Advisory",
        "Mitigation"
      ],
      "url": "https://github.com/rancher/rancher/security/advisories/GHSA-c5jm-xcmq-9j95"
    }
  ],
  "sourceIdentifier": "meissner@suse.de",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-294"
        }
      ],
      "source": "meissner@suse.de",
      "type": "Secondary"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.