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VULNERABILITIES

CVE-2026-78049 Details

UNDERGOING ENRICHMENT

The CVE is currently being enriched by the Volerion team. The enrichment process results in the association of reference link tags, CVSS, and CPE applicability statement data.

Description

A vulnerability has been found in Systerel S2OPC up to 1.7.3. Impacted is the function SOPC_NodeMgtHelperInternal_AddVariableNodeAttributes of the file src/ClientServer/address_space/internal/sopc_node_mgt_helper_internal.c of the component AddNodes Service. The manipulation of the argument UserAccessLevel leads to out-of-bounds read. It is possible to initiate the attack remotely. A high degree of complexity is needed for the attack. The exploitability is considered difficult. The exploit has been disclosed to the public and may be used. The identifier of the patch is aafbd37d381b618312ebdf5ddf57027f62c14fdd. It is suggested to install a patch to address this issue.

Metrics

CVSS 3.x Severity and Vector Strings:

NDDVolerionCVSS-B:…Vector:This vulnerability is currently being analyzed.
CNA: [email protected]CVSS-B:3.7 LOWVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/user-attachments/files/29702766/PoC.zip [email protected]
https://gitlab.com/systerel/S2OPC/-/commit/aafbd37d381b618312ebdf5ddf57027f62c14fdd [email protected]
https://gitlab.com/systerel/S2OPC/-/merge_requests/1826 [email protected]
https://gitlab.com/systerel/S2OPC/-/work_items/1787 [email protected]
https://vuldb.com/cve/CVE-2026-78049 [email protected]

see all 8 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer[email protected]
CWE-125Out-of-bounds Read[email protected]

Affected Products

This vulnerability is currently being analyzed

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-78049
NVD Published Date:
Aug 22, 2026
NVD Last Modified:
Aug 27, 2026
Source:
[email protected]
CVE-2026-78049 Details - Not Deferred