Sign in Sign up
JA · EN · FR
SecPulse
Categories
CVE-2026-18785 medium CVSS 5.3

Buffer Overflow in o6 open62541 ca356b088ada7dee824d1b4acd07c1ff07ce242b (CVE-2026-18785)

Summary

Vulnerability in o6 open62541 ca356b088ada7dee824d1b4acd07c1ff07ce242b (CVE-2026-18785). Risk of unauthorized operations or information disclosure.

Original description

The description as published by the source.

A vulnerability was determined in o6 open62541 ca356b088ada7dee824d1b4acd07c1ff07ce242b. Impacted is the function UA_Client_getRemoteDataTypes of the file examples/custom_datatype/client_types_custom.c. Executing a manipulation can lead to use after free. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. The project closed the issue report, stating that this is not the official way to report a security vulnerability.

Source: GitHub Security Advisories (Global) NVD GitHub Advisory

Auto-generated summary

Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.

A vulnerability tracked as CVE-2026-18785 has been found in o6 open62541 ca356b088ada7dee824d1b4acd07c1ff07ce242b.
Risk of unauthorized operations or information disclosure. CVSS score: 5.3/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "o6 open62541 ca356b088ada7dee824d1b4acd07c1ff07ce242b CVE-2026-18785" on the vendor's site.

CVE-2026-18785 (o6 open62541 ca356b088ada7dee824d1b4acd07c1ff07ce242b) — CWE-119 / CVSS v3 5.3
Attack vector: local / no user interaction
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.

❓ What is the problem

A vulnerability (CWE-119) exists in o6 open62541 ca356b088ada7dee824d1b4acd07c1ff07ce242b.

📍 Affected scope

Check the vendor advisory for the affected versions of o6 open62541 ca356b088ada7dee824d1b4acd07c1ff07ce242b.

🔥 Severity

Severity: Medium (CVSS 5.3/10). Risk of unauthorized operations or information disclosure.

🔧 How to fix

Update to the patched release per vendor advisory.

🛡️ Workaround

Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.

🔍 Detection

Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.

Response actions

Concrete steps and command examples for SOC/SRE teams to execute in order

  1. 1
    Identify exposure identify 
    Audit SBOM/dependencies for affected components.

    資産台帳・SBOM・依存マニフェストで o6 open62541 ca356b088ada7dee824d1b4acd07c1ff07ce242b を使っているサービスとバージョンを洗い出す。

  2. 2
    Post-deployment verification verify 
    Confirm patched version is live in production

    パッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。

Fix status by distribution

Fixed packages published by each distribution for this CVE

References

We use cookies for analytics and ad measurement. This setting applies to all Game co., Ltd. sites. Details