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criticalbug_reportVulnerabilityCisco SD-WAN Manager zero-day exploited: auth bypass grants admin API access
Cisco Catalyst SD-WAN Manager, all configurations. Affected versions: all releases prior to 20.9.10.1, 20.12.8.2, 20.15.6.1, 20.18.4.1, 26.1.2.1, and 26.2.1. Releases earlier than 20.9 require migration.
criticalbug_reportVulnerabilityCisco Catalyst SD-WAN Manager zero-day exploited for admin escalation
Cisco Catalyst SD-WAN Manager (formerly SD-WAN vManage): all versions prior to 20.9.10.1, 20.12.8.2, 20.15.6.1, 20.18.4.1, 26.1.2.1, and 26.2.1. All deployments affected regardless of configuration.
highbug_reportVulnerabilityZimbra CVE-2026-73570: Unauthenticated RCE exploited in the wild
Zimbra Collaboration Suite versions prior to 10.1.20, when the optional zimbra-snmp package is installed and SNMP notifications are enabled. Internet-facing mail servers are at risk. Exploitation requires no authentication or user interaction.
highbug_reportVulnerabilityTeamViewer patches RCE and privilege escalation flaws in client software
TeamViewer Full Client and Host software for Windows, Linux, and macOS. Vulnerabilities resolved in version 15.82 and supported maintenance/legacy releases.
criticalbug_reportVulnerabilityBitget crypto exchange breached via zero-day in security appliances
Bitget cryptocurrency exchange. Two unnamed third-party security appliances (referred to as "Product A" and "security appliance B") compromised via zero-day vulnerabilities.
criticalbug_reportVulnerabilityCitrix NetScaler CVE-2026-88772 exploited for root access, web shells
Citrix NetScaler ADC and NetScaler Gateway appliances. CVE-2026-88772 (CVSS 9.5) is a memory overflow in DTLS protocol handling in the NetScaler Packet Processing Engine (NSPPE). CVE-2026-88771 also mentioned as exploited.
highbug_reportVulnerabilityOpenSSL DTLS flaw leaks heap memory, crashes programs (CVE-2026-84782)
OpenSSL versions 4.0 (before 4.0.3), 3.6 (before 3.6.5), 3.5 (before 3.5.9), 3.4 (before 3.4.8), 3.0, 1.1.1, and 1.0.2. Only affects software using OpenSSL for DTLS connections (e.g., WebRTC, VoIP).
criticalbug_reportVulnerabilityCitrix NetScaler CVE-2026-88772: Pre-auth RCE via DTLS overflow exploited
Citrix NetScaler ADC and NetScaler Gateway (vulnerable versions not specified in advisory). Affects the NetScaler Packet Processing Engine (NSPPE) DTLS protocol handler. Pre-authentication attack surface.
highbug_reportVulnerabilityPhishing campaign abuses MSP360 RMM and ScreenConnect for persistent access
Organizations across multiple industries targeted via phishing. Legitimate MSP360 RMM v2.5.0.67 installer abused to deploy ConnectWise ScreenConnect, creating redundant remote-access channels.
highbug_reportVulnerabilityMalicious custom ChatGPTs in Google ads deliver RAT via ClickFix attacks
Users searching for ChatGPT via Google Search who click sponsored results. Campaign leverages OpenAI's custom GPT feature (retiring December 11, 2026) and Google Sites infrastructure.
criticalbug_reportVulnerabilityCritical XSS vulnerability in Rancher Kubernetes platform requires patching
Rancher Kubernetes management platform. Specific affected versions not disclosed in available information.
criticalbug_reportVulnerabilityCitrix NetScaler zero-day CVE-2026-88772 exploited for web shells, root access
Citrix NetScaler ADC and Gateway appliances with DTLS enabled. CVE-2026-88772 is a memory overflow vulnerability leading to remote code execution. CVE-2026-88771 (unauthenticated RCE) also disclosed alongside it.
criticalbug_reportVulnerabilityWatchGuard RCE vulnerabilities require immediate patching per CERT.BE
WatchGuard products (specific models and versions not disclosed in available information). Two remote code execution vulnerabilities identified.
highbug_reportVulnerabilityNew Spectre-v2 BTR variant bypasses defenses, leaks Linux kernel memory
JIT engines in Mozilla Firefox (SpiderMonkey), GraalVM, and Linux kernel cBPF JIT across Intel, AMD, and other CPU vendors. Affects systems with speculative execution despite existing Spectre-v2 mitigations.
highbug_reportVulnerabilityNew Spectre v2 BTR variant leaks Linux root hashes in 3-5 minutes on Intel
Intel, AMD, and Arm CPUs with indirect branch prediction. Confirmed exploitable on Linux kernel cBPF (default and constant blinding configurations). Firefox SpiderMonkey and Oracle GraalVM also affected but full exploits not demonstrated.
criticalbug_reportVulnerabilityKiteworks patches critical flaw found during precautionary shutdown
Kiteworks secure file transfer platform; specific versions not disclosed. Vulnerability confined to a capability enabled for less than 1% of customer base. Other Kiteworks products unaffected.
highbug_reportVulnerabilityDas U-Boot out-of-bounds write allows code execution via fragmented IP
Das U-Boot versions 2009.08 through 2026.07 (pre-fix) when compiled with CONFIG_IP_DEFRAG=y. Das U-Boot is a widely-deployed open-source bootloader used in embedded systems, IoT devices, and network equipment.
highbug_reportVulnerabilityMCP Python SDK flaw lets malicious servers steal OAuth credentials
Anthropic MCP Python SDK versions 1.9.1–1.29.1 (1.x line) and 2.0.0–2.1.1 (2.x line). Affects MCP clients using HTTP with OAuth providers (OAuthClientProvider, ClientCredentialsOAuthProvider, PrivateKeyJWTOAuthProvider, RFC7523OAuthClientProvider) th…
highbug_reportVulnerabilityApple patches CoreGraphics out-of-bounds write exploited in targeted attacks
CVE-2026-86950 affects CoreGraphics in iOS versions before 26.7.1, iPadOS before 26.7.1, macOS Tahoe before 26.7.1, and macOS Sequoia before 15.8.1. Impacted devices include iPhone 11 and later, iPad Pro (3rd gen 12.9-inch and 1st gen 11-inch and lat…
criticalbug_reportVulnerabilityBitget exchange loses $388M via zero-day in unnamed third-party product
Bitget cryptocurrency exchange. The unnamed third-party security product used by Bitget contained a zero-day vulnerability that allowed credential theft. Hot and warm wallets were compromised; cold wallets unaffected.
criticalbug_reportVulnerabilityCitrix NetScaler zero-days CVE-2026-88771/88772 exploited in wild
Citrix NetScaler ADC and NetScaler Gateway devices. Specific vulnerable versions not disclosed in advisory. Cortex Xpanse telemetry identifies 50,277 exposed instances potentially vulnerable as of Sept. 27, 2026.
highbug_reportVulnerabilityZimbra XSS vulnerabilities require immediate patching per CERT.BE
Zimbra Collaboration Suite - specific affected versions not disclosed in available advisory. Multiple Cross-site Scripting (XSS) vulnerabilities identified.
highbug_reportVulnerabilityCitrix NetScaler ADC/Gateway flaws under active global exploitation
Citrix NetScaler ADC and Gateway appliances. CVE-2026-88771 (improper input validation allowing unauthenticated remote command execution) and CVE-2026-88772 (remote code execution or denial-of-service).
highbug_reportVulnerabilityCitrix NetScaler ADC/Gateway under active attack via two RCE flaws
Citrix NetScaler ADC and Gateway on-premises: versions 14.1 before 14.1-73.37, 13.1 before 13.1-64.23, FIPS editions before 14.1-73.37 FIPS and 13.1-37.279. Cloud-managed instances not affected.
highbug_reportVulnerabilityCarbonato botnet exploits exposed Docker daemons to deploy AI agents
Docker daemons exposed without authentication on TCP port 2375. All versions of Docker with unauthenticated remote API access are vulnerable. The malware deploys Hermes AI Agent framework and establishes Telegram-based command and control.
criticalbug_reportVulnerabilityCitrix NetScaler ADC/Gateway RCE zero-days under active exploitation
Citrix NetScaler ADC and NetScaler Gateway. Specific affected versions not provided in source material. CVE identifiers not yet assigned.
criticalbug_reportVulnerabilityCitrix NetScaler ADC/Gateway flaws exploited globally, CISA orders patching
Citrix NetScaler ADC and NetScaler Gateway all versions. CVE-2026-88771 affects all deployments; CVE-2026-88772 requires DTLS enabled (default on VPN virtual servers).
criticalbug_reportVulnerabilityCISA orders federal agencies to patch exploited Citrix NetScaler RCE flaws
Citrix NetScaler ADC and NetScaler Gateway all versions prior to 14.1-73.37, 13.1-64.23, 14.1-FIPS 14.1-73.37, and 13.1-FIPS/13.1-NDcPP 13.1.37.279. CVE-2026-88771 affects all default configurations; CVE-2026-88772 requires DTLS enabled (default on V…
criticalbug_reportVulnerabilityCitrix NetScaler ADC/Gateway: 2 critical RCE flaws under active exploit
Citrix NetScaler ADC and NetScaler Gateway versions 13.1 before 13.1-64.23, 14.1 before 14.1-73.37, and FIPS editions. CVE-2026-88771 affects all deployments (no preconditions).
criticalbug_reportVulnerabilityCitrix NetScaler RCE zero-days CVE-2026-88771/88772 exploited in wild
Citrix NetScaler ADC and NetScaler Gateway: versions 14.1 before 14.1-73.37, 13.1 before 13.1-64.23, FIPS editions before 14.1-73.37 FIPS and 13.1-37.279, and Secure Private Access Hybrid deployments.