FKIE_CVE-2026-17595

Vulnerability from fkie_nvd - Published: 2026-08-07 17:16 - Updated: 2026-08-08 05:17
Summary
Nexus Repository 3 did not fully sandbox JEXL expressions used in Content Selectors. An account holding the nexus:selectors:create permission could construct an expression that read Java object properties not intended to be exposed to the expression engine, disclosing internal JVM class metadata such as class and classloader names. This issue does not permit method invocation, object construction, or arbitrary code execution. This has been fixed by restricting property access in the JEXL sandbox to the intended data types.
Impacted products
Vendor Product Version

{
  "affected": [
    {
      "affectedData": [
        {
          "cpes": [
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            "cpe:2.3:a:sonatype:nexus_repository_manager:3.17.0:*:*:*:*:*:*:*",
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            "cpe:2.3:a:sonatype:nexus_repository_manager:3.88.1:*:*:*:*:*:*:*",
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            "cpe:2.3:a:sonatype:nexus_repository_manager:3.90.3:*:*:*:*:*:*:*",
            "cpe:2.3:a:sonatype:nexus_repository_manager:3.90.4:*:*:*:*:*:*:*",
            "cpe:2.3:a:sonatype:nexus_repository_manager:3.91.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:sonatype:nexus_repository_manager:3.91.1:*:*:*:*:*:*:*",
            "cpe:2.3:a:sonatype:nexus_repository_manager:3.92.0:*:*:*:*:*:*:*",
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            "cpe:2.3:a:sonatype:nexus_repository_manager:3.92.2:*:*:*:*:*:*:*",
            "cpe:2.3:a:sonatype:nexus_repository_manager:3.92.3:*:*:*:*:*:*:*",
            "cpe:2.3:a:sonatype:nexus_repository_manager:3.93.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:sonatype:nexus_repository_manager:3.93.1:*:*:*:*:*:*:*",
            "cpe:2.3:a:sonatype:nexus_repository_manager:3.93.2:*:*:*:*:*:*:*",
            "cpe:2.3:a:sonatype:nexus_repository_manager:3.94.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:sonatype:nexus_repository_manager:3.94.1:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "product": "Nexus Repository 3",
          "vendor": "Sonatype",
          "versions": [
            {
              "lessThan": "3.95.0",
              "status": "affected",
              "version": "3.15.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "103e4ec9-0a87-450b-af77-479448ddef11"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Nexus Repository 3 did not fully sandbox JEXL expressions used in Content Selectors. An account holding the nexus:selectors:create permission could construct an expression that read Java object properties not intended to be exposed to the expression engine, disclosing internal JVM class metadata such as class and classloader names. This issue does not permit method invocation, object construction, or arbitrary code execution. This has been fixed by restricting property access in the JEXL sandbox to the intended data types."
    }
  ],
  "id": "CVE-2026-17595",
  "lastModified": "2026-08-08T05:17:06.557",
  "metrics": {
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "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": "LOW",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/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": "LOW",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "103e4ec9-0a87-450b-af77-479448ddef11",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-17595",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-08-07T00:00:00+00:00",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-08-07T17:16:59.760",
  "references": [
    {
      "source": "103e4ec9-0a87-450b-af77-479448ddef11",
      "url": "https://help.sonatype.com/en/sonatype-nexus-repository-3-95-0-release-notes.html"
    },
    {
      "source": "103e4ec9-0a87-450b-af77-479448ddef11",
      "url": "https://support.sonatype.com/hc/en-us/articles/53863820953747/"
    }
  ],
  "sourceIdentifier": "103e4ec9-0a87-450b-af77-479448ddef11",
  "vulnStatus": "Received",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-497"
        }
      ],
      "source": "103e4ec9-0a87-450b-af77-479448ddef11",
      "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.
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