FKIE_CVE-2026-112159

Vulnerability from fkie_nvd - Published: 2026-10-19 17:17 - Updated: 2026-10-20 17:17
Severity
5.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
Summary
A security vulnerability has been detected in JumpServer up to 4.10.19. The affected element is an unknown function of the component Template Rendering. The manipulation of the argument IP/HOST leads to os command injection. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. Upgrading to version 5.0.0 is sufficient to fix this issue. The identifier of the patch is fcf2904cdb884230e9676f50f37a44d09fa97040. The affected component should be upgraded. The vendor confirms: "This issue was identified quite some time ago, and we have already fixed it in the v5 branch. (...) The fix will also be included in an upcoming v4 release.
References
cna@vuldb.comhttps://gist.github.com/Seikruun/b628bb6d4403d9c41a54a4b92d775583
cna@vuldb.comhttps://github.com/jumpserver/jumpserver/
cna@vuldb.comhttps://github.com/jumpserver/jumpserver/commit/fcf2904cdb884230e9676f50f37a44d09fa97040
cna@vuldb.comhttps://github.com/jumpserver/jumpserver/pull/17500/
cna@vuldb.comhttps://github.com/jumpserver/jumpserver/releases/tag/v5.0.0
cna@vuldb.comhttps://vuldb.com/cve/CVE-2026-112159
cna@vuldb.comhttps://vuldb.com/submit/964676
cna@vuldb.comhttps://vuldb.com/vuln/422286
cna@vuldb.comhttps://vuldb.com/vuln/422286/cti
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:jumpserver:jumpserver:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "Template Rendering"
          ],
          "product": "JumpServer",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "4.10.0"
            },
            {
              "status": "affected",
              "version": "4.10.1"
            },
            {
              "status": "affected",
              "version": "4.10.2"
            },
            {
              "status": "affected",
              "version": "4.10.3"
            },
            {
              "status": "affected",
              "version": "4.10.4"
            },
            {
              "status": "affected",
              "version": "4.10.5"
            },
            {
              "status": "affected",
              "version": "4.10.6"
            },
            {
              "status": "affected",
              "version": "4.10.7"
            },
            {
              "status": "affected",
              "version": "4.10.8"
            },
            {
              "status": "affected",
              "version": "4.10.9"
            },
            {
              "status": "affected",
              "version": "4.10.10"
            },
            {
              "status": "affected",
              "version": "4.10.11"
            },
            {
              "status": "affected",
              "version": "4.10.12"
            },
            {
              "status": "affected",
              "version": "4.10.13"
            },
            {
              "status": "affected",
              "version": "4.10.14"
            },
            {
              "status": "affected",
              "version": "4.10.15"
            },
            {
              "status": "affected",
              "version": "4.10.16"
            },
            {
              "status": "affected",
              "version": "4.10.17"
            },
            {
              "status": "affected",
              "version": "4.10.18"
            },
            {
              "status": "affected",
              "version": "4.10.19"
            },
            {
              "status": "unaffected",
              "version": "5.0.0"
            }
          ]
        }
      ],
      "source": "cna@vuldb.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A security vulnerability has been detected in JumpServer up to 4.10.19. The affected element is an unknown function of the component Template Rendering. The manipulation of the argument IP/HOST leads to os command injection. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. Upgrading to version 5.0.0 is sufficient to fix this issue. The identifier of the patch is fcf2904cdb884230e9676f50f37a44d09fa97040. The affected component should be upgraded. The vendor confirms: \"This issue was identified quite some time ago, and we have already fixed it in the v5 branch. (...) The fix will also be included in an upcoming v4 release."
    }
  ],
  "id": "CVE-2026-112159",
  "lastModified": "2026-10-20T17:17:29.897",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "cna@vuldb.com",
        "type": "Secondary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 2.1,
        "impactScore": 3.4,
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 2.0,
          "baseSeverity": "LOW",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "PROOF_OF_CONCEPT",
          "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": "LOW",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "PASSIVE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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": "LOW",
          "vulnConfidentialityImpact": "LOW",
          "vulnIntegrityImpact": "LOW",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-112159",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-10-20T15:22:17.184022Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-10-19T17:17:13.947",
  "references": [
    {
      "source": "cna@vuldb.com",
      "url": "https://gist.github.com/Seikruun/b628bb6d4403d9c41a54a4b92d775583"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/jumpserver/jumpserver/"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/jumpserver/jumpserver/commit/fcf2904cdb884230e9676f50f37a44d09fa97040"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/jumpserver/jumpserver/pull/17500/"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/jumpserver/jumpserver/releases/tag/v5.0.0"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/cve/CVE-2026-112159"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/submit/964676"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/422286"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/422286/cti"
    }
  ],
  "sourceIdentifier": "cna@vuldb.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-77"
        },
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ],
      "source": "cna@vuldb.com",
      "type": "Secondary"
    }
  ]
}



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