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Briefing · Tuesday 3 November 2026 · 07:00 UTC

Reports describe exploitation of two software flaws

By CyberSIXT Briefing · from 81 reports by 18 outlets · Editorial policy

Since this morning1

    • Scanning starts for Linux MPTCP root flaw

      Marcus Hutchins says suspected threat actors are scanning the internet for servers exposed to CVE-2026-98432, which he puts at up to two million.CyberSIXT Disabling MPTCP only takes effect once affected services are restarted.CyberSIXT

Tuesday's lead is VulnCheck's report of active exploitation of CVE-2026-58115, alongside Defused Cyber's finding that attackers are attempting to exploit the unpatched CryptoPayment Gateway WordPress plugin flaw CVE-2026-81648.The Hacker NewsThe Hacker News The focus shifts from the previous edition's BTCPay Server lead to current activity against exposed systems and a payment plugin, although neither account gives a victim count.The Hacker NewsThe Hacker NewsSANS ISC The reporting does not agree on the product affected by CVE-2026-58115: The Hacker News identifies Siemens SIMATIC IoT2050 Advanced devices, while SecurityOnline describes Node-RED installations.The Hacker NewsSecurityOnline

VulnCheck reports active exploitation of CVE-2026-58115#

The Hacker News reported on 3 November that VulnCheck had identified active exploitation of CVE-2026-58115, a missing-authentication flaw with a CVSS score of 10.0.The Hacker News The Hacker News said the flaw affects Siemens SIMATIC IoT2050 Advanced devices.The Hacker News SecurityOnline instead described the vulnerability as a flaw in the Node-RED administrative HTTP API, allowing unauthenticated attackers to modify flows and execute system commands on exposed hosts.SecurityOnline It reported that live exploitation began around 30 October 2026, with automated attack flows observed against exposed systems.SecurityOnline The accounts do not resolve the difference in product identification or state how many systems have been compromised.The Hacker NewsSecurityOnline

Defused Cyber finds attackers targeting CryptoPayment Gateway flaw#

The Hacker News reported on 3 November that Defused Cyber had found threat actors attempting to exploit CVE-2026-81648 in the CryptoPayment Gateway WordPress plugin.The Hacker News The vulnerability has a CVSS score of 10.0 and is unpatched.The Hacker News The vulnerability could expose wallet credentials, according to The Hacker News's description.The Hacker News The account gives no number of affected sites and does not confirm successful exploitation or identify a fix.The Hacker News

Imperva links Magento intrusions to PSK Agent RAT#

Imperva said Magento and Adobe Commerce stores in Western Europe, North America and the Asia-Pacific were compromised between 9 and 13 September 2026 through exploitation of CVE-2026-75650.SecurityOnline The firm identified five attack clusters using similar PHP payloads against the same Magento endpoint.SecurityOnline Imperva described a chain that began with PHP code injected through a PayPal-related endpoint and ended with PSK Agent RAT, a 10.5 MB Go binary capable of remote command execution, host discovery and SOCKS5 proxying.SecurityOnline It also found a public PHP webshell variant in some cases.SecurityOnline Imperva said attribution remained unconfirmed, describing a likely Chinese-speaking nexus with moderate confidence.SecurityOnline

Google and partners dismantle botnet spanning 1.3 million TV boxes#

Google said on 2 November that it and industry partners dismantled the XCPE botnet, which had infected more than 1.3 million Android TV set-top boxes.Krebs on Security The malware secretly rented users' internet connections to third parties and conducted advertising fraud.Krebs on Security Google's Threat Intelligence Group estimated that the action also cut off access to more than 10 million additional compromised devices, including other Android-based internet of things products.Krebs on Security Google took legal action to shut down associated domains and control servers.Krebs on Security Krebs on Security reported that the botnet was tied to Videostrong Technology Co.; Synthient researcher Ben Brundage said the scale was likely higher than 1.3 million.Krebs on Security

Also

  • Arista. Arista released fixes on 2 November for CVE-2026-111497 and CVE-2026-98432, and said it had no reports of active exploitation in customer networks.SecurityOnline
  • Lehigh Valley. HHS's Office for Civil Rights announced an $800,000 settlement and a three-year corrective action plan with Lehigh Valley Health Network over a February 2023 ransomware incident that involved PHI for 248,359 individuals.DataBreaches
  • Rancher. SUSE released fixes on 29 October for three Rancher vulnerabilities affecting versions 2.11 through 2.15, with patched releases including 2.15.3, 2.14.7, 2.13.11, 2.12.15 and 2.11.19.SecurityOnline

Watching

The sources do not reconcile whether CVE-2026-58115 affects Siemens SIMATIC IoT2050 Advanced devices or Node-RED installations, and neither account gives a vendor patch timeline.The Hacker NewsSecurityOnline

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