Vulnerability-Lookup

CVE-2026-18720 (GCVE-0-2026-18720)

Vulnerability from cvelistv5 – Published: 2026-08-04 01:45 – Updated: 2026-08-04 14:41

Title

kalcaddle kodbox msgWarning Plugin action improper authorization

Summary

A flaw has been found in kalcaddle kodbox 1.67 Build 02. This vulnerability affects unknown code of the file /index.php?plugin/msgWarning/action of the component msgWarning Plugin. Executing a manipulation can lead to improper authorization. It is possible to launch the attack remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Severity

6.9 (Medium)


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

5.3 (Medium)


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

5.3 (Medium)


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

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-285 - Improper Authorization
CWE-266 - Incorrect Privilege Assignment

Assigner

VulDB

References

5 references

URL	Tags
https://vuldb.com/vuln/385631	vdb-entry
https://vuldb.com/vuln/385631/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-18720	third-party-advisory
https://vuldb.com/submit/856156	third-party-advisory
https://github.com/sjmycz/cve/issues/4	exploitissue-tracking

Impacted products

1 product

Vendor	Product	Version
kalcaddle	kodbox	Affected: 1.67 Build 02 cpe:2.3:a:kalcaddle:kodbox::::::::

Credits

lihongming (VulDB User) VulDB CNA Team

Show details on NVD website

JSON

To clipboard

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                "id": "CVE-2026-18720",
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                  },
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                    "Technical Impact": "partial"
                  }
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                "role": "CISA Coordinator",
                "timestamp": "2026-08-04T14:41:30.844200Z",
                "version": "2.0.3"
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            "cpe:2.3:a:kalcaddle:kodbox:*:*:*:*:*:*:*:*"
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          ],
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  "cveMetadata": {
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    "datePublished": "2026-08-04T01:45:10.237Z",
    "dateReserved": "2026-08-03T17:42:15.230Z",
    "dateUpdated": "2026-08-04T14:41:53.692Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.2",
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      "date": "2026-08-06",
      "epss": "0.00286",
      "percentile": "0.20778"
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    "vulnrichment": {
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}

GHSA-MV6J-RVC6-F296

Vulnerability from github – Published: 2026-08-04 03:31 – Updated: 2026-08-04 03:31

Details

Severity

5.3 (Medium)


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

5.5 (Medium)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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-2026-18720"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-266"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-04T03:16:25Z",
    "severity": "MODERATE"
  },
  "details": "A flaw has been found in kalcaddle kodbox 1.67 Build 02. This vulnerability affects unknown code of the file /index.php?plugin/msgWarning/action of the component msgWarning Plugin. Executing a manipulation can lead to improper authorization. It is possible to launch the attack remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.",
  "id": "GHSA-mv6j-rvc6-f296",
  "modified": "2026-08-04T03:31:10Z",
  "published": "2026-08-04T03:31:10Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-18720"
    },
    {
      "type": "WEB",
      "url": "https://github.com/sjmycz/cve/issues/4"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/cve/CVE-2026-18720"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/856156"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/385631"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/385631/cti"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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.

Action not permitted

CVE-2026-18720 (GCVE-0-2026-18720)

GHSA-MV6J-RVC6-F296

Tags

Sightings

Nomenclature