Threat Feed
Daily intelligence on vulnerabilities, threat actors and geopolitical context — distilled from primary sources.
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criticalbug_reportVulnerabilityCritical NGINX heap overflow enables RCE via crafted HTTP requests
NGINX open source versions prior to 1.30.4 and 1.31.3, and NGINX Plus versions prior to 37.0.3.1. All deployments accepting HTTP requests from untrusted networks are at risk.
criticalbug_reportVulnerability15-year-old Linux kernel flaw allows local privilege escalation to root
Linux kernel versions since 2011 across all mainstream distributions (Ubuntu, RHEL, Debian, SUSE, etc.). Any system running an unpatched kernel containing CVE-2026-43499 is vulnerable. Requires local authenticated access to exploit.
highperson_alertThreat ActorUAT-7810 Deploys LONGLEASH Malware Against Network Infrastructure
UAT-7810 is a Chinese-linked threat actor focused on compromising internet-facing networking devices to expand their Operational Relay Box (ORB) network infrastructure.
criticalbug_reportVulnerabilityLinux kernel traffic-control flaw grants local root via public exploit
Linux kernel traffic-control subsystem (act_pedit module). All distributions running vulnerable kernel versions are affected. Specific patched versions not provided; assume unpatched kernels prior to June 16, 2026 vendor advisories are vulnerable.
criticalperson_alertThreat ActorFortiBleed: Russian IAB harvests 110M credentials from FortiGate devices
FortiBleed is attributed to a Russian-speaking initial access broker (IAB) conducting large-scale credential harvesting operations since February 2026. The actor demonstrates advanced operational capabilities through systematic targeting of over 430,…
criticalbug_reportVulnerabilityProxySQL ACL bypass and heap corruption flaws threaten database security
ProxySQL (specific versions not provided). Vulnerabilities include ACL bypass allowing unauthorized access and heap memory corruption potentially enabling remote code execution. Database proxy infrastructure is at risk.
highbug_reportVulnerabilityF5 patches high-severity flaws in NGINX Open Source and Gateway Fabric
NGINX Open Source and NGINX Gateway Fabric (specific versions not provided). Four CVEs: CVE-2026-11311, CVE-2026-42055, CVE-2026-42530, CVE-2026-50107. Affects organizations running NGINX web servers, reverse proxies, API gateways, and Kubernetes ing…
highbug_reportVulnerabilityCisco Catalyst SD-WAN Manager under active exploit (CVE-2026-20262)
Cisco Catalyst SD-WAN Manager. Specific vulnerable versions not provided in summary. Affects web UI component accessible to authenticated remote users.
criticalbug_reportVulnerabilityCisco Catalyst SD-WAN Manager root privilege escalation under attack
Cisco Catalyst SD-WAN Manager (specific versions not provided). Vulnerability allows privilege escalation to root level on affected systems.
highperson_alertThreat ActorOceanLotus Targets Vietnamese Infrastructure with SPECTRALVIPER Backdoor
OceanLotus (also tracked as APT32, SeaLotus, APT-C-00, and Canvas Cyclone) is a Vietnam-aligned advanced persistent threat group attributed by multiple vendors to conducting cyber espionage operations.
highbug_reportVulnerabilityCisco Catalyst SD-WAN Manager actively exploited (CVE-2026-20245)
Cisco Catalyst SD-WAN Manager. Specific affected versions not disclosed. Vulnerability involves improper encoding or escaping of output (CVSS 7.8). Also affects products from Google and Arista (details not provided).
criticalbug_reportVulnerabilityLinux kernel nf_tables use-after-free enables root escalation (CVE-2026-23111)
Linux kernel nf_tables subsystem. All distributions using vulnerable kernel versions prior to the February 5, 2026 patch. Affects systems where unprivileged users have local access or container environments.
criticalbug_reportVulnerabilityCisco SD-WAN Manager zero-day CVE-2026-20245 exploited for root access
Cisco Catalyst SD-WAN Manager, all versions (specific affected versions not disclosed). Unpatched zero-day vulnerability enabling root privilege escalation.
highbug_reportVulnerabilityCIFSwitch: Linux kernel CIFS flaw enables local privilege escalation
Linux kernel CIFS implementation across multiple distributions. Specific affected kernel versions not yet disclosed. Requires local access to exploit.
criticalbug_reportVulnerabilityCisco SD-WAN Manager auth bypass exploited in wild since 2023
Cisco Catalyst SD-WAN controllers and Cisco SD-WAN Manager. Specific affected versions not provided in advisory summary. CVE-2026-20127 allows administrative access compromise.
highbug_reportVulnerabilityFortinet FortiCloud SSO bypass exploited to extract LDAP passwords
Fortinet FortiGate appliances with FortiCloud SSO enabled. CVE-2025-59718 and CVE-2025-59719 allow authentication bypass. All FortiGate instances share a default static encryption key that enables decryption of LDAP credentials and private keys from…