Vulnerability-Lookup

CVE-2026-78654 (GCVE-0-2026-78654)

Vulnerability from cvelistv5 – Published: 2026-08-25 06:00 – Updated: 2026-08-25 13:17 X_Open Source

Title

cleverbrush framework/deep deepExtend.ts deepExtend prototype pollution

Summary

A vulnerability has been found in cleverbrush framework and deep up to 4.4.0. This impacts the function deepExtend of the file libs/deep/src/deepExtend.ts. The manipulation leads to improperly controlled modification of object prototype attributes. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used. Upgrading to version 4.4.1 will fix this issue. The identifier of the patch is 810398c1308c500c3b8b6af380b5a89371389327. You should upgrade the affected component.

Severity

6.9 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

7.3 (High)


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

7.3 (High)


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

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-25 13:17 UTC

CWE

CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes
CWE-94 - Code Injection

Assigner

VulDB mitre root

References

9 references

URL	Tags
https://vuldb.com/vuln/394866	vdb-entrytechnical-description
https://vuldb.com/vuln/394866/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-78654	third-party-advisory
https://vuldb.com/submit/886401	third-party-advisory
https://github.com/cleverbrush/framework/issues/213	exploitissue-tracking
https://github.com/cleverbrush/framework/pull/215	issue-trackingpatch
https://github.com/cleverbrush/framework/commit/8…	patch
https://github.com/cleverbrush/framework/releases…	patch
https://github.com/cleverbrush/framework/	product

Impacted products

2 products

Vendor	Product	Version	CPE status
cleverbrush	framework	Affected: 4.0 Affected: 4.1 Affected: 4.2 Affected: 4.3 Affected: 4.4.0 Unaffected: 4.4.1 cpe:2.3:a:cleverbrush:framework::::::::
cleverbrush	deep	Affected: 4.0 Affected: 4.1 Affected: 4.2 Affected: 4.3 Affected: 4.4.0 Unaffected: 4.4.1 cpe:2.3:a:cleverbrush:deep::::::::

Credits

Classif1ed_mick (VulDB User)

Show details on NVD website

JSON

To clipboard

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  }
}

FKIE_CVE-2026-78654

Vulnerability from fkie_nvd - Published: 2026-08-25 06:19 - Updated: 2026-08-25 14:16

Severity

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

Summary

References

	URL	Tags
	cna@vuldb.com	https://github.com/cleverbrush/framework/
	cna@vuldb.com	https://github.com/cleverbrush/framework/commit/810398c1308c500c3b8b6af380b5a89371389327
	cna@vuldb.com	https://github.com/cleverbrush/framework/issues/213
	cna@vuldb.com	https://github.com/cleverbrush/framework/pull/215
	cna@vuldb.com	https://github.com/cleverbrush/framework/releases/tag/%40cleverbrush/async%404.4.1
	cna@vuldb.com	https://vuldb.com/cve/CVE-2026-78654
	cna@vuldb.com	https://vuldb.com/submit/886401
	cna@vuldb.com	https://vuldb.com/vuln/394866
	cna@vuldb.com	https://vuldb.com/vuln/394866/cti
	134c704f-9b21-4f2e-91b3-4a467353bcc0	https://vuldb.com/submit/886401

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:cleverbrush:framework:*:*:*:*:*:*:*:*"
          ],
          "product": "framework",
          "vendor": "cleverbrush",
          "versions": [
            {
              "status": "affected",
              "version": "4.0"
            },
            {
              "status": "affected",
              "version": "4.1"
            },
            {
              "status": "affected",
              "version": "4.2"
            },
            {
              "status": "affected",
              "version": "4.3"
            },
            {
              "status": "affected",
              "version": "4.4.0"
            },
            {
              "status": "unaffected",
              "version": "4.4.1"
            }
          ]
        },
        {
          "cpes": [
            "cpe:2.3:a:cleverbrush:deep:*:*:*:*:*:*:*:*"
          ],
          "product": "deep",
          "vendor": "cleverbrush",
          "versions": [
            {
              "status": "affected",
              "version": "4.0"
            },
            {
              "status": "affected",
              "version": "4.1"
            },
            {
              "status": "affected",
              "version": "4.2"
            },
            {
              "status": "affected",
              "version": "4.3"
            },
            {
              "status": "affected",
              "version": "4.4.0"
            },
            {
              "status": "unaffected",
              "version": "4.4.1"
            }
          ]
        }
      ],
      "source": "cna@vuldb.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability has been found in cleverbrush framework and deep up to 4.4.0. This impacts the function deepExtend of the file libs/deep/src/deepExtend.ts. The manipulation leads to improperly controlled modification of object prototype attributes. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used. Upgrading to version 4.4.1 will fix this issue. The identifier of the patch is 810398c1308c500c3b8b6af380b5a89371389327. You should upgrade the affected component."
    }
  ],
  "id": "CVE-2026-78654",
  "lastModified": "2026-08-25T14:16:57.247",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "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": 7.3,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "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": 5.5,
          "baseSeverity": "MEDIUM",
          "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": "NONE",
          "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:N/UI:N/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-2026-78654",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-08-25T13:17:25.816993Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-08-25T06:19:01.940",
  "references": [
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/cleverbrush/framework/"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/cleverbrush/framework/commit/810398c1308c500c3b8b6af380b5a89371389327"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/cleverbrush/framework/issues/213"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/cleverbrush/framework/pull/215"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/cleverbrush/framework/releases/tag/%40cleverbrush/async%404.4.1"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/cve/CVE-2026-78654"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/submit/886401"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/394866"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/394866/cti"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "url": "https://vuldb.com/submit/886401"
    }
  ],
  "sourceIdentifier": "cna@vuldb.com",
  "vulnStatus": "Received",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-94"
        },
        {
          "lang": "en",
          "value": "CWE-1321"
        }
      ],
      "source": "cna@vuldb.com",
      "type": "Secondary"
    }
  ]
}

GHSA-85F3-5C6P-WF9V

Vulnerability from github – Published: 2026-08-25 06:31 – Updated: 2026-08-25 06:31

Details

Severity

7.3 (High)


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

5.5 (Medium)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-78654"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-94"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-25T06:19:01Z",
    "severity": "MODERATE"
  },
  "details": "A vulnerability has been found in cleverbrush framework and deep up to 4.4.0. This impacts the function deepExtend of the file libs/deep/src/deepExtend.ts. The manipulation leads to improperly controlled modification of object prototype attributes. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used. Upgrading to version 4.4.1 will fix this issue. The identifier of the patch is 810398c1308c500c3b8b6af380b5a89371389327. You should upgrade the affected component.",
  "id": "GHSA-85f3-5c6p-wf9v",
  "modified": "2026-08-25T06:31:32Z",
  "published": "2026-08-25T06:31:32Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-78654"
    },
    {
      "type": "WEB",
      "url": "https://github.com/cleverbrush/framework/issues/213"
    },
    {
      "type": "WEB",
      "url": "https://github.com/cleverbrush/framework/pull/215"
    },
    {
      "type": "WEB",
      "url": "https://github.com/cleverbrush/framework/commit/810398c1308c500c3b8b6af380b5a89371389327"
    },
    {
      "type": "WEB",
      "url": "https://github.com/cleverbrush/framework"
    },
    {
      "type": "WEB",
      "url": "https://github.com/cleverbrush/framework/releases/tag/%40cleverbrush/async%404.4.1"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/cve/CVE-2026-78654"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/886401"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/394866"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/394866/cti"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/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",
      "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-2026-78654 (GCVE-0-2026-78654)

FKIE_CVE-2026-78654

GHSA-85F3-5C6P-WF9V

Tags

Sightings

Nomenclature