Curated Cyber Threat Intelligence

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Daily intelligence on vulnerabilities, threat actors and geopolitical context — distilled from primary sources.

scheduleUpdated 2026-07-21 · 02:09 UTC
articleTotal: 606 reports

Filtered Reports

16 / 16 results
Active filter:tag: #infrastructure✕ clear
Critical NGINX heap overflow enables RCE via crafted HTTP requestscriticalbug_reportVulnerability
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Critical 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.

CVE-2026-4253318:42 UTC
15-year-old Linux kernel flaw allows local privilege escalation to rootcriticalbug_reportVulnerability
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15-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.

CVE-2026-4349904:16 UTC
UAT-7810 Deploys LONGLEASH Malware Against Network Infrastructurehighperson_alertThreat Actor
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UAT-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.

Ruckus16:52 UTC
Linux kernel traffic-control flaw grants local root via public exploitcriticalbug_reportVulnerability
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Linux 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.

CVE-2026-4633111:57 UTC
FortiBleed: Russian IAB harvests 110M credentials from FortiGate devicescriticalperson_alertThreat Actor
person_alertThreat Actor

FortiBleed: 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,…

Fortinet16:20 UTC
ProxySQL ACL bypass and heap corruption flaws threaten database securitycriticalbug_reportVulnerability
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ProxySQL 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.

ProxySQL12:48 UTC
F5 patches high-severity flaws in NGINX Open Source and Gateway Fabrichighbug_reportVulnerability
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F5 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…

CVE-2026-1131106:24 UTC
Cisco Catalyst SD-WAN Manager under active exploit (CVE-2026-20262)highbug_reportVulnerability
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Cisco 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.

CVE-2026-2026204:05 UTC
Cisco Catalyst SD-WAN Manager root privilege escalation under attackcriticalbug_reportVulnerability
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Cisco 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.

CVE-2026-2026215:12 UTC
OceanLotus Targets Vietnamese Infrastructure with SPECTRALVIPER Backdoorhighperson_alertThreat Actor
person_alertThreat Actor

OceanLotus 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.

The Hacker News07:45 UTC
Cisco Catalyst SD-WAN Manager actively exploited (CVE-2026-20245)highbug_reportVulnerability
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Cisco 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).

CVE-2026-2024512:44 UTC
Linux kernel nf_tables use-after-free enables root escalation (CVE-2026-23111)criticalbug_reportVulnerability
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Linux 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.

CVE-2026-2311118:17 UTC
Cisco SD-WAN Manager zero-day CVE-2026-20245 exploited for root accesscriticalbug_reportVulnerability
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Cisco 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.

CVE-2026-2024504:24 UTC
CIFSwitch: Linux kernel CIFS flaw enables local privilege escalationhighbug_reportVulnerability
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CIFSwitch: 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.

Linux12:16 UTC
Cisco SD-WAN Manager auth bypass exploited in wild since 2023criticalbug_reportVulnerability
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Cisco 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.

CVE-2026-2012718:38 UTC
Fortinet FortiCloud SSO bypass exploited to extract LDAP passwordshighbug_reportVulnerability
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Fortinet 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…

CVE-2025-5971815:16 UTC