CVE-2026-18583
mz-automation libiec61850 MMS Request mms_mapping.c checkDataSetAccess out-of-bounds
Description
A weakness has been identified in mz-automation libiec61850 up to 1.6.1. This issue affects the function checkDataSetAccess of the file src/iec61850/server/mms_mapping/mms_mapping.c of the component MMS Request Handler. This manipulation causes out-of-bounds read. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 1.6.2 is capable of addressing this issue. Patch name: 062062daf4cb50c7aa76e01d6fb4d58fc9278a7d. Upgrading the affected component is recommended. The vendor was contacted early about this disclosure.
INFO
Published Date :
Aug. 3, 2026, 6:16 a.m.
Last Modified :
Aug. 3, 2026, 6:16 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Upgrade mz-automation libiec61850 to version 1.6.2.
- Apply the patch 062062daf4cb50c7aa76e01d6fb4d58fc9278a7d.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-18583.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-18583 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-18583
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-18583 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-18583 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by [email protected]
Aug. 03, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:2.3:a:mz-automation:libiec61850:*:*:*:*:*:*:*:*'], 'vendor': 'mz-automation', 'modules': ['MMS Request Handler'], 'product': 'libiec61850', 'versions': [{'status': 'affected', 'version': '1.6.0'}, {'status': 'affected', 'version': '1.6.1'}, {'status': 'unaffected', 'version': '1.6.2'}]}] Added Description A weakness has been identified in mz-automation libiec61850 up to 1.6.1. This issue affects the function checkDataSetAccess of the file src/iec61850/server/mms_mapping/mms_mapping.c of the component MMS Request Handler. This manipulation causes out-of-bounds read. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 1.6.2 is capable of addressing this issue. Patch name: 062062daf4cb50c7aa76e01d6fb4d58fc9278a7d. Upgrading the affected component is recommended. The vendor was contacted early about this disclosure. Added CVSS V4.0 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 Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CWE CWE-119 Added CWE CWE-125 Added Reference https://github.com/gff-cw/information/issues/3 Added Reference https://github.com/mz-automation/libiec61850/ Added Reference https://github.com/mz-automation/libiec61850/commit/062062daf4cb50c7aa76e01d6fb4d58fc9278a7d Added Reference https://github.com/mz-automation/libiec61850/releases/tag/v1.6.2 Added Reference https://github.com/mz-automation/libiec61850/security/advisories/GHSA-7v2x-39mw-2979 Added Reference https://vuldb.com/cve/CVE-2026-18583 Added Reference https://vuldb.com/submit/844921 Added Reference https://vuldb.com/vuln/385412 Added Reference https://vuldb.com/vuln/385412/cti