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CVE-2026-112159

Status: DeferredLow (2)—
Severity2Low · CVSS 4.0
Exploitation probability0.86 %higher than 58% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found

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.

CVSS

Base score
2
Version
4.0
Vector
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

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
0.86 %
Percentile among all scored CVEs
58
Score date
10/20/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

Inferred by deterministic rules from the CVSS vector and CWE. Indicative only.

ATT&CK mitigations that cover these techniques

Restrict Web-Based ContentPrivileged Account ManagementLimit Software InstallationExecution PreventionBehavior Prevention on EndpointDisable or Remove Feature or Program

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Jumpserver — JumpserverAI

CWEs

References

Show 9 references

Raw JSON (NVD)

Show
{
  "id": "CVE-2026-112159",
  "cveTags": [],
  "metrics": {
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-112159",
          "role": "CISA Coordinator",
          "options": [
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              "automatable": "no"
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          "version": "2.0.3",
          "timestamp": "2026-10-20T15:22:17.184022Z"
        }
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    "cvssMetricV2": [
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "authentication": "SINGLE",
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          "availabilityImpact": "PARTIAL",
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        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
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        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
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        "type": "Secondary",
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        "cvssData": {
          "scope": "UNCHANGED",
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          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L",
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    ],
    "cvssMetricV40": [
      {
        "type": "Secondary",
        "source": "cna@vuldb.com",
        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
          "baseScore": 2,
          "Automatable": "NOT_DEFINED",
          "attackVector": "NETWORK",
          "baseSeverity": "LOW",
          "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",
          "exploitMaturity": "PROOF_OF_CONCEPT",
          "providerUrgency": "NOT_DEFINED",
          "userInteraction": "PASSIVE",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "LOW",
          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "LOW",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "vulnAvailabilityImpact": "LOW",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "NONE",
          "vulnConfidentialityImpact": "LOW",
          "confidentialityRequirement": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
        }
      }
    ]
  },
  "affected": [
    {
      "source": "cna@vuldb.com",
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:jumpserver:jumpserver:*:*:*:*:*:*:*:*"
          ],
          "vendor": "n/a",
          "modules": [
            "Template Rendering"
          ],
          "product": "JumpServer",
          "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"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-10-19T17:17:13.947",
  "references": [
    {
      "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",
      "source": "cna@vuldb.com"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cna@vuldb.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-77"
        },
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ]
    }
  ],
  "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."
    }
  ],
  "lastModified": "2026-10-20T17:17:29.897",
  "sourceIdentifier": "cna@vuldb.com"
}