Siber Güvenlik Haberleri

SMTP is the key: BPFDoor and AVERAT hitting the network edge

OverviewRapid7 tracked a set of Linux samples that blend into the software and device conventions of the telecom environments they target. The set spans a newly observed BPFDoor variant, a BPF Rekoobe build seen against South Korean targets, a dropper, and six builds of a Linux implant we track as AVERAT, deployed against Taiwanese appliances. Additionally, we provide source code details of the Rapid7 BPFDoor controller introduced in our April 2026 blog, Stealthy BPFDoor Variants are a Needle That Looks Like Hay.The chain uses two binaries. A dropper writes a shell script to the appliance's st

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microsoft

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forkhq

How AI Is Changing the Roles Required in the Security Operations Center

As AI takes on more of the enrichment, correlation, and initial assessment inside the SOC, roles, skills, and KPIs still require deliberate redesign. Security leaders need to decide where automation is dependable, where human judgment should remain decisive, and how teams should be measured when alert handling is no longer the center of the operating modelThe Gartner® report, The Roles Required for the AI-Enabled Security Operations Center (SOC), examines the roles and capabilities Gartner expects the SOC to require as AI becomes embedded in security operations. Rapid7 is offering complimentar

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gentoo

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Changing

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Soft-Machine-io

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msi

Critical Cisco Catalyst SD-WAN Manager API authentication bypass exploited in the wild (CVE-2026-76504)

OverviewOn September 30, 2026, Cisco published a security advisory for CVE-2026-76504, a critical API authentication bypass vulnerability affecting Cisco Catalyst SD-WAN Manager. The vulnerability has a CVSSv3.1 score of 9.8 and results from improper handling of URL encoding (CWE-177). An unauthenticated, remote attacker can send a crafted HTTP request that bypasses an authentication rule for a specific API endpoint, gaining access to the API with the privileges of the admin user.According to Cisco, CVE-2026-76504 is being actively exploited in the wild; Cisco PSIRT became aware of the activit

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cisco

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cakephp

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arubanetworks

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freepbx

Higher education is under siege, and fragmented security is making it harder to respond

Higher education faces a difficult security equation. Universities hold large volumes of sensitive student, financial, health, and research data while supporting open networks, distributed users, legacy infrastructure, and increasingly complex cloud environments. Attackers have taken notice, and the pressure on security teams continues to grow.In Q2 2025, universities faced an average of 4,388 cyberattacks per organization per week, up 24% from the same period in 2024. Nine in ten universities reported experiencing a breach or security incident during the previous 12 months, while the average

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gentoo

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Soft-Machine-io

Zero-Day Exploitation of Citrix NetScaler ADC and Gateway: CVE-2026-88771 and CVE-2026-88772

OverviewOn September 27, 2026, Citrix disclosed eight new vulnerabilities affecting NetScaler ADC and NetScaler Gateway, including two critical remote code execution (RCE) vulnerabilities: CVE-2026-88771 and CVE-2026-88772. Both of these RCE vulnerabilities carry a critical CVSSv4 score of 9.5, and both have been confirmed as being actively exploited in the wild as zero-days prior to the vendor disclosure. CVE-2026-88771 affects vulnerable NetScaler deployments in their default configuration, with no additional product features required. The vendor has also indicated that the attack complexity

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Citrix NetScaler

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citrix

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NetScaler

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envoyproxy

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Portkey-AI

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codesys

Metasploit Wrap Up: Belgian Waffles, Chocolates, and…Modules-Frites?

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microsoft

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ibm

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langflow

When Business Email Compromise Starts Rewriting Reality

Business Email Compromise (BEC) operates on a familiar playbook. Threat actors breach a mailbox, silently monitor operations, map approval chains, and ultimately exploit that access to divert funds or exfiltrate sensitive assets.This dynamic is central to our analysis as we kick off a series around Rapid7's collaborative research with Zimbra; upcoming installments will explore technical details and broader findings based within the Zimbra Collaboration Suite. Our investigation disrupted the traditional BEC model in unexpected ways. We uncovered over 50 vulnerabilities, and found that several a

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synacor

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Zimbra

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n/a

How dynamic application security testing validates risk at runtime

Security teams already have long queues of potential application vulnerabilities. The useful question is what happens next: can they see how a weakness behaves in a running application, reproduce the attack, and give developers enough evidence to fix it?Dynamic application security testing (DAST) helps answer those questions by testing applications as an attacker encounters them. The IDC MarketScape: Worldwide Dynamic Application Security Testing 2026 Vendor Assessment (Doc #US54119126, September 2026). The IDC MarketScape evaluated 16 vendors and named Rapid7 a Leader.We believe the result re

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Android

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gentoo

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Soft-Machine-io

CVE-2026-94127: Critical Unauthenticated RCE in F5 BIG-IP APM

OverviewOn September 22, 2026, F5 published a security advisory for CVE-2026-94127, a critical heap-based buffer overflow vulnerability affecting F5 BIG-IP Access Policy Manager (APM). The vulnerability has a CVSS v3.1 score of 9.8. An unauthenticated attacker with network access to an affected virtual server may be able to achieve remote code execution (RCE) by sending specifically crafted traffic.BIG-IP APM provides identity-aware access control for applications and other corporate resources and can integrate with authentication technologies including OAuth, OpenID Connect, and SAML. CVE-202

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f5

CVE-2026-76461: Critical Cisco Secure Email Gateway Vulnerability Exploited in the Wild

OverviewOn September 14, 2026, Cisco published a security advisory for CVE-2026-76461, a critical SQL injection vulnerability affecting Cisco AsyncOS Software for Cisco Secure Email Gateway. The vulnerability has a reported CVSS v3.1 base score of 9.8 and could allow an unauthenticated, remote attacker to execute arbitrary commands with root privileges on an affected appliance.Cisco Secure Email Gateway, formerly known as IronPort Email Security Appliance, is an enterprise email security product that inspects inbound and outbound email for threats including phishing, malware, spam, and busines

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cisco

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SEPPmail AG

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citrix

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envoyproxy

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Portkey-AI

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NetScaler

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codesys