Vulnerability-Lookup

CVE-2026-18582 (GCVE-0-2026-18582)

Vulnerability from cvelistv5 – Published: 2026-08-03 01:15 – Updated: 2026-08-03 15:39 X_Open Source

Title

mz-automation libiec61850 Report Sending Path reporting.c Reporting_RCBWriteAccessHandler free of memory not on the heap

Summary

A security flaw has been discovered in mz-automation libiec61850 up to 1.6.1. This vulnerability affects the function Reporting_RCBWriteAccessHandler of the file src/iec61850/server/mms_mapping/reporting.c of the component Report Sending Path Handler. The manipulation results in free of memory not on the heap. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks. Upgrading to version 1.6.2 is able to resolve this issue. The patch is identified as 5b2a69f44256b8548927d8afdd7ac5f5381abe1e. It is suggested to upgrade the affected component. The vendor was contacted early about this disclosure.

Severity

6.9 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/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:N/I:N/A:L/E:P/RL:O/RC:C

5.3 (Medium)


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

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-590 - Free of Memory not on the Heap

Assigner

VulDB

References

9 references

URL	Tags
https://vuldb.com/vuln/385411	vdb-entrytechnical-description
https://vuldb.com/vuln/385411/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-18582	third-party-advisory
https://vuldb.com/submit/844920	third-party-advisory
https://github.com/mz-automation/libiec61850/secu…	related
https://github.com/gff-cw/information/issues/2	exploitissue-tracking
https://github.com/mz-automation/libiec61850/comm…	patch
https://github.com/mz-automation/libiec61850/rele…	patch
https://github.com/mz-automation/libiec61850/	product

Impacted products

1 product

Vendor	Product	Version
mz-automation	libiec61850	Affected: 1.6.0 Affected: 1.6.1 Unaffected: 1.6.2 cpe:2.3:a:mz-automation:libiec61850::::::::

Credits

Chuan Wei Carnegie (VulDB User) Carnegie (VulDB User) VulDB CNA Team

Show details on NVD website

JSON

To clipboard

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GHSA-VJ8R-WQRG-59QF

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

Details

Severity

5.3 (Medium)


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

5.5 (Medium)


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

Show details on source website

JSON

To clipboard

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  "affected": [],
  "aliases": [
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  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-590"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-03T02:16:29Z",
    "severity": "MODERATE"
  },
  "details": "A security flaw has been discovered in mz-automation libiec61850 up to 1.6.1. This vulnerability affects the function Reporting_RCBWriteAccessHandler of the file src/iec61850/server/mms_mapping/reporting.c of the component Report Sending Path Handler. The manipulation results in free of memory not on the heap. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks. Upgrading to version 1.6.2 is able to resolve this issue. The patch is identified as 5b2a69f44256b8548927d8afdd7ac5f5381abe1e. It is suggested to upgrade the affected component. The vendor was contacted early about this disclosure.",
  "id": "GHSA-vj8r-wqrg-59qf",
  "modified": "2026-08-03T03:31:56Z",
  "published": "2026-08-03T03:31:56Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/mz-automation/libiec61850/security/advisories/GHSA-7qg8-hm25-rv5v"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-18582"
    },
    {
      "type": "WEB",
      "url": "https://github.com/gff-cw/information/issues/2"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mz-automation/libiec61850/commit/5b2a69f44256b8548927d8afdd7ac5f5381abe1e"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mz-automation/libiec61850"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mz-automation/libiec61850/releases/tag/v1.6.2"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/cve/CVE-2026-18582"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/844920"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/385411"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/385411/cti"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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.

Action not permitted

CVE-2026-18582 (GCVE-0-2026-18582)

GHSA-VJ8R-WQRG-59QF

Tags

Sightings

Nomenclature