Vulnerability-Lookup

CVE-2026-17459 (GCVE-0-2026-17459)

Vulnerability from cvelistv5 – Published: 2026-07-26 10:15 – Updated: 2026-07-27 17:23

Title

perwendel spark SparkJava ExternalResourceHandler.jav staticFiles.externalLocation symlink

Summary

A vulnerability was determined in perwendel spark up to 2.9.4. This vulnerability affects the function staticFiles.externalLocation of the file src/main/java/spark/resource/ExternalResourceHandler.jav of the component SparkJava. Executing a manipulation can lead to symlink following. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.

Severity

5.3 (Medium)


                        
                          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:P

4.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R

4.3 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-27 17:23 UTC

CWE

CWE-61 - Symlink Following
CWE-59 - Link Following

Assigner

VulDB

References

6 references

URL	Tags
https://vuldb.com/vuln/383321	vdb-entrytechnical-description
https://vuldb.com/vuln/383321/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-17459	third-party-advisory
https://vuldb.com/submit/862468	third-party-advisory
https://github.com/perwendel/spark/issues/1296	exploitissue-tracking
https://github.com/perwendel/spark/	product

Impacted products

1 product

Vendor	Product	Version
perwendel	spark	Affected: 2.9.0 Affected: 2.9.1 Affected: 2.9.2 Affected: 2.9.3 Affected: 2.9.4 cpe:2.3:a:perwendel:spark::::::::

Credits

naixiao (VulDB User) VulDB CNA Team

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-17459

Vulnerability from fkie_nvd - Published: 2026-07-26 11:16 - Updated: 2026-07-27 20:25

Severity

4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Summary

References

	URL	Tags
	cna@vuldb.com	https://github.com/perwendel/spark/
	cna@vuldb.com	https://github.com/perwendel/spark/issues/1296
	cna@vuldb.com	https://vuldb.com/cve/CVE-2026-17459
	cna@vuldb.com	https://vuldb.com/submit/862468
	cna@vuldb.com	https://vuldb.com/vuln/383321
	cna@vuldb.com	https://vuldb.com/vuln/383321/cti

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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  ],
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          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 2.1,
          "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": "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: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": "NONE",
          "vulnConfidentialityImpact": "LOW",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-17459",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-07-27T17:23:11.490299Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-07-26T11:16:58.643",
  "references": [
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/perwendel/spark/"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/perwendel/spark/issues/1296"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/cve/CVE-2026-17459"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/submit/862468"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/383321"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/383321/cti"
    }
  ],
  "sourceIdentifier": "cna@vuldb.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-59"
        },
        {
          "lang": "en",
          "value": "CWE-61"
        }
      ],
      "source": "cna@vuldb.com",
      "type": "Secondary"
    }
  ]
}

GHSA-CJFH-HV3C-XCFG

Vulnerability from github – Published: 2026-07-26 12:30 – Updated: 2026-07-26 12:30

Details

Severity

4.3 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

2.1 (Low)


                  
                    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:P

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-17459"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-59"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-26T11:16:58Z",
    "severity": "LOW"
  },
  "details": "A vulnerability was determined in perwendel spark up to 2.9.4. This vulnerability affects the function staticFiles.externalLocation of the file src/main/java/spark/resource/ExternalResourceHandler.jav of the component SparkJava. Executing a manipulation can lead to symlink following. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.",
  "id": "GHSA-cjfh-hv3c-xcfg",
  "modified": "2026-07-26T12:30:21Z",
  "published": "2026-07-26T12:30:21Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-17459"
    },
    {
      "type": "WEB",
      "url": "https://github.com/perwendel/spark/issues/1296"
    },
    {
      "type": "WEB",
      "url": "https://github.com/perwendel/spark"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/cve/CVE-2026-17459"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/862468"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/383321"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/383321/cti"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "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: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",
      "type": "CVSS_V4"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

CVE-2026-17459 (GCVE-0-2026-17459)

FKIE_CVE-2026-17459

GHSA-CJFH-HV3C-XCFG

Tags

Sightings

Nomenclature