PT-2026-67141 · Mz Automation · Libiec61850

Carnegie + 1 · CVE-2026-18582 · Published 2026-08-03 · Updated 2026-08-03

NVD

CVSS v2.0

5.0

Medium

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

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.

Exploit

Fix

Weakness Enumeration

CWE-590

Related Identifiers

CVE-2026-18582

Affected Products

Libiec61850

References · 10

• 🔥 https://github.com/gff-cw/information/issues/2 · Exploit
• https://github.com/mz-automation/libiec61850/releases/tag/v1.6.2 · Patch
• https://github.com/mz-automation/libiec61850/commit/5b2a69f44256b8548927d8afdd7ac5f5381abe1e · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-18582 · Security Note
• https://github.com/mz-automation/libiec61850/security/advisories/GHSA-7qg8-hm25-rv5v · Note
• https://github.com/mz-automation/libiec61850 · Note
• https://vuldb.com/submit/844920 · Note
• https://vuldb.com/cve/CVE-2026-18582 · Note
• https://vuldb.com/vuln/385411 · Note
• https://vuldb.com/vuln/385411/cti · Note