CVE-2026-78049

Systerel S2OPC AddNodes Service sopc_node_mgt_helper_internal.c out-of-bounds

LOW
3.7
CVSS Score
Published: August 22, 2026 at 10:30 PM UTC
Updated: October 12, 2026 at 04:10 PM UTC
1 product affected across 1 vendorS2OPC

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Severity
LOW3.7
Exploit prediction
EPSS 0.6%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (8)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/394290
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/394290/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-78049
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/881262

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

3.7LOWVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-125CWE-119

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