Hackers chained PHP2Shell vulnerabilities with a Linux kernel privilege escalation flaw to gain root access on 25 servers, including three systems associated with a United States government-affiliated environment, according to Dream researchers. Discovered on October 25, the operation progressed from exposed firewall management interfaces to credential theft, persistent tunneling, and Active Directory reconnaissance. Dream recovered […]

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A critical flaw in the GoAhead embedded web server lets revoked client certificates pass authentication checks, potentially restoring access to identities administrators have blocked. Tracked as CVE-2026-115881, the vulnerability carries a CVSS score of 9.1 and affects GoAhead 3.4.5 through 6.1.0 when specific mutual TLS settings are enabled. GoAhead 6.1.1 fixes the issue. The flaw […]

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KeePassXC has released version 2.8.0 to address multiple security vulnerabilities related to database imports, browser integration, SSH key handling, and the protection of sensitive information. Published on October 21, this update includes eight security fixes, platform improvements, and a migration to Qt 6. Notably, one vulnerability is identified as CVE-2026-69150, and four additional issues are […]

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Apache Camel’s security advisories document critical and high-severity vulnerabilities that could allow for remote code execution, authentication bypass, credential exposure, and unauthorized file access. These issues affect various integration components and Camel K, and their exploitability depends on the deployed components, route configurations, and an attacker’s access to messages or infrastructure. The vulnerabilities involve unsafe […]

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A security researcher has successfully demonstrated a PHP remote code execution (RCE) exploit against the Steal My Bitcoin challenge. This proof-of-concept (PoC) exploit illustrates how specially crafted HTTP requests can trigger memory corruption, disclose internal PHP addresses, and execute commands on a vulnerable server. The researcher, using the GitHub username KillaBoi, published the exploit in […]

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Security researchers have revealed multiple high-severity vulnerabilities in Tailscale and Headscale that could let attackers gain root access to connected servers, bypass network security policies, steal credentials, and disrupt remote-access infrastructure. Erica Windisch of Cyberdione Labs published these findings in a security research report titled Tailworm. The assessment examined Tailscale version 1.104.2 and headscale version […]

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A critical command execution vulnerability has been identified in Okta Access Gateway (OAG), which could allow an authenticated administrator to execute system commands by submitting specially formatted configuration values through the appliance’s Admin Console. This vulnerability is documented in an advisory dated October 22, 2026. Tracked as CVE-2026-115547, the issue affects versions of the OAG […]

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Hewlett Packard Enterprise (HPE) has addressed a critical authentication-bypass vulnerability in the SSH daemon of its AOS-8 wireless operating system. This vulnerability, tracked as CVE-2026-79855, could let a remote, unauthenticated attacker gain administrative privileges and fully compromise an affected host. It has a CVSS v3.1 score of 9.8, indicating a high severity. Attackers can exploit […]

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Public proof-of-concept exploit code targeting two critical PHP vulnerabilities has surfaced as attackers scan exposed servers and attempt exploitation. Tracked as CVE-2026-109618 and CVE-2026-109619, the vulnerabilities are collectively called PHP2Shell and carry CVSS v4.0 scores of 9.2, potentially allowing unauthenticated remote code execution with web server privileges. However, Sophos has corrected an earlier report of […]

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In October, several unpatched Linux vulnerabilities were disclosed on public mailing lists, revealing technical details before fixes were widely available. These disclosures included two critical flaws in KSMBD that could let remote attackers execute code, along with reports of privilege escalation and information disclosure. Trend Micro’s Zero Day Initiative (ZDI) submitted the reports, prompting Linux […]

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Cisco has released security updates to address a critical vulnerability in its Expressway Series. This flaw, tracked as CVE-2026-76466, could allow unauthenticated remote attackers to execute arbitrary operating system commands with root privileges. It has a CVSS v3.1 base score of 9.8 and affects vulnerable Expressway deployments configured in a cluster. The advisory was published […]

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Siemens has confirmed that the CVE-2026-110936 vulnerability, a DLL side-loading flaw in Siemens Software Center, is being actively exploited. Attackers are using this vulnerability to execute malicious code through a legitimate, digitally signed application. Siemens published advisory SSA-580366 on October 15 and has addressed the issue in version 4.0.9.8. According to the campaign report, attackers […]

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The Node.js Project released security updates on October 21, 2026, addressing 10 vulnerabilities across its 26.x, 24.x, and 22.x release lines. The updates fix a critical Brotli decoder flaw that allows remote code execution, as well as weaknesses in DNS resolution, TLS certificate validation, cryptographic randomness, and filesystem permissions. The release addresses four high-severity, three […]

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PHP released emergency security updates to address two critical vulnerabilities that could allow unauthenticated attackers to execute code on vulnerable servers. These vulnerabilities are tracked as CVE-2026-109618 and CVE-2026-109619, and both have a CVSS v4.0 score of 9.2. The fixes are included in PHP versions 8.5.12, 8.4.27, 8.3.36, and 8.2.35. Administrators should update immediately, as […]

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The detected exploitation attempts targeting two critical PHP vulnerabilities on October 17, 2026, four days before their public disclosure and security updates. Tracked as CVE-2026-109618 and CVE-2026-109619, the vulnerabilities are collectively called PHP2Shell and can enable unauthenticated remote code execution on vulnerable web servers. Both carry CVSS v4.0 scores of 9.2. The earliest attempt reached […]

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GitLab has released emergency security updates to address a critical remote code execution vulnerability that could allow unauthenticated attackers to execute arbitrary code on affected servers. This flaw, tracked as CVE-2026-110264, carries the maximum CVSS score of 10.0 and affects both GitLab Community Edition and Enterprise Edition. The company published the patches on October 21, […]

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Google released Chrome version 156 to the stable channel for Windows, macOS, and Linux, addressing 353 security vulnerabilities, including six critical flaws. Announced on October 20, 2026, this update addresses memory corruption, use-after-free errors, input validation issues, and other weaknesses across various browser components. Google stated that the deployment will continue over the coming days […]

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Horizon3.ai has released a public proof-of-concept exploit for CVE-2026-106173, a critical vulnerability in Fortinet FortiSIEM. This vulnerability allows unauthenticated attackers to turn arbitrary file writes into remote code execution. Researcher Zach Hanley published a technical analysis on October 20, following Fortinet’s security advisory released on October 13. The vulnerability specifically affects the product’s gRPC communication […]

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Oracle has released its October 2026 Critical Patch Update, which includes 1,295 new security patches across its enterprise portfolio. Published on October 20, the advisory addresses vulnerabilities in Oracle software as well as third-party components. Notably, it addresses critical flaws that attackers can exploit remotely without authentication. Affected products include databases, middleware, business applications, Java, […]

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Apache disclosed eight vulnerabilities in Tomcat, including authentication bypass, cross-user data exposure, insecure socket access, and cryptographic configuration failures. Of these, three are rated Important, and five are rated Low. Fixes are available in Tomcat versions 11.0.27, 10.1.61, and 9.0.123, depending on the affected version branch. These vulnerabilities affect specific components and configurations, not every […]

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