Vulnerability-Lookup

CVE-2026-85040 (GCVE-0-2026-85040)

Vulnerability from cvelistv5 – Published: 2026-09-03 02:45 – Updated: 2026-09-03 14:30

Title

ZhongBangKeJi CRMEB Custom Scheduled Task Feature save eval os command injection

Summary

A weakness has been identified in ZhongBangKeJi CRMEB up to 6.0.0. Affected by this vulnerability is the function eval of the file /adminapi/system/crontab/save of the component Custom Scheduled Task Feature. This manipulation of the argument customCode causes os command injection. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. Vendor documents this as deliberate debug-only behavior. But isSafePhpCode blacklist offers no real RCE containment.

Severity

5.1 (Medium)


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

4.7 (Medium)


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

4.7 (Medium)


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

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-03 13:13 UTC

CWE

CWE-78 - OS Command Injection
CWE-77 - Command Injection

Assigner

VulDB mitre root

References

5 references

URL	Tags
https://vuldb.com/vuln/398300	vdb-entrytechnical-description
https://vuldb.com/vuln/398300/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-85040	third-party-advisory
https://vuldb.com/submit/887316	third-party-advisory
https://github.com/xiaohai12138-1/cve/blob/main/C…	exploit

Impacted products

1 product

Vendor	Product	Version	CPE status
ZhongBangKeJi	CRMEB	Affected: 6.0 cpe:2.3:a:crmeb:crmeb::::::::

Credits

xiaohai12138 (VulDB User)

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-85040

Vulnerability from fkie_nvd - Published: 2026-09-03 13:06 - Updated: 2026-09-03 17:25

Severity

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

Summary

References

	URL	Tags
	cna@vuldb.com	https://github.com/xiaohai12138-1/cve/blob/main/CRMEB/CRMEB%20Backend%20custom%20%20scheduled%20task%20functionality%20%20RCE.md
	cna@vuldb.com	https://vuldb.com/cve/CVE-2026-85040
	cna@vuldb.com	https://vuldb.com/submit/887316
	cna@vuldb.com	https://vuldb.com/vuln/398300
	cna@vuldb.com	https://vuldb.com/vuln/398300/cti

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:crmeb:crmeb:*:*:*:*:*:*:*:*"
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          ],
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    }
  ],
  "id": "CVE-2026-85040",
  "lastModified": "2026-09-03T17:25:25.113",
  "metrics": {
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        "obtainOtherPrivilege": false,
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          "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",
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          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
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          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "HIGH",
          "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:H/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-2026-85040",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-09-03T13:13:31.299667Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-09-03T13:06:19.960",
  "references": [
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/xiaohai12138-1/cve/blob/main/CRMEB/CRMEB%20Backend%20custom%20%20scheduled%20task%20functionality%20%20RCE.md"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/cve/CVE-2026-85040"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/submit/887316"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/398300"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/398300/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"
    }
  ]
}

GHSA-Q67V-WJJM-5RV3

Vulnerability from github – Published: 2026-09-03 15:32 – Updated: 2026-09-03 15:32

Details

Severity

4.7 (Medium)


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

2.0 (Low)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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-2026-85040"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-77"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-03T13:06:19Z",
    "severity": "LOW"
  },
  "details": "A weakness has been identified in ZhongBangKeJi CRMEB up to 6.0.0. Affected by this vulnerability is the function eval of the file /adminapi/system/crontab/save of the component Custom Scheduled Task Feature. This manipulation of the argument customCode causes os command injection. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. Vendor documents this as deliberate debug-only behavior. But isSafePhpCode blacklist offers no real RCE containment.",
  "id": "GHSA-q67v-wjjm-5rv3",
  "modified": "2026-09-03T15:32:16Z",
  "published": "2026-09-03T15:32:16Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-85040"
    },
    {
      "type": "WEB",
      "url": "https://github.com/xiaohai12138-1/cve/blob/main/CRMEB/CRMEB%20Backend%20custom%20%20scheduled%20task%20functionality%20%20RCE.md"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/cve/CVE-2026-85040"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/887316"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/398300"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/398300/cti"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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-2026-85040 (GCVE-0-2026-85040)

FKIE_CVE-2026-85040

GHSA-Q67V-WJJM-5RV3

Tags

Sightings

Nomenclature