Network-Appliance
Unpatched GeoServer Zero-Day Lets Unauthenticated Attackers Turn SQL Injection Into RCE
An unpatched, unauthenticated SQL injection in GeoServer's jsonArrayContains filter function is under active probing days after public disclosure, with a documented path to remote code execution on PostgreSQL-backed instances.
Microsoft Patches a Wormable Windows DNS Server RCE Alongside Three More Critical DNS Flaws
CVE-2026-62878, a CVSS 9.8 stack-based buffer overflow in Windows DNS Server, is wormable and needs no authentication — and it shipped alongside three more critical DNS Server RCEs in the same Patch Tuesday round.
Cisco ASA and FTD Under Active Attack: Unauthenticated VPN Flaw Reloads Firewalls On Demand (CVE-2026-20349)
CVE-2026-20349, an unauthenticated heap inspection flaw in Cisco ASA and FTD's Remote Access SSL VPN service, is being actively exploited to remotely crash firewalls — CISA gave federal agencies until August 14 to patch, and no workaround exists.
First-of-Its-Kind Attack Pivots Through a Private Cellular APN to Sabotage Siemens PLCs at a Polish Power Plant
CERT Polska details a December 2025 attack that pivoted through a distribution operator's private cellular APN — from a compromised wind farm firewall to Siemens PLCs at a combined heat and power plant, halting a turbine.
CVE-2026-34486: Apache Tomcat's EncryptInterceptor Fix Was Incomplete — Now Under Active Exploitation
A second, incomplete patch for a Tomcat clustering flaw lets attackers bypass pre-shared-key encryption and reach Java deserialization on the cluster port — CISA gave federal agencies until today to fix it.
15 TP-Link Omada Flaws Turn Zero-Touch Provisioning Into a Network Takeover Path
Forescout's Vedere Labs found 15 flaws in TP-Link's Omada zero-touch provisioning ecosystem — hardcoded crypto keys, a predictable RC4 cipher, and weak cert validation that chain into full controller and fleet compromise.
Cisco Ships Two CVSS 9.8+ 'Hardening Releases' for IOS XE and Catalyst SD-WAN in One Day
Cisco's August 5 disclosure batch bundles seven CWE-grouped IOS XE flaws (CVSS 9.8) and five Catalyst SD-WAN flaws (CVSS 9.9) into umbrella CVEs — the first big test of its new AI-driven, twice-monthly hardening-release disclosure model.
N-able's First Patch Didn't Hold: CVE-2026-18577 Bypasses the CVE-2026-18556 Fix for Full N-central Takeover
N-able's emergency fix for an N-central authentication bypass proved incomplete — a new CVE, CVE-2026-18577, lets attackers bypass the patch entirely for unauthenticated 'god-mode' access, and it's being actively exploited against MSPs.
Broadcom Patches Two CVSS 9.8 vCenter Auth Bypass/RCE Flaws and an ESXi VM Escape (VMSA-2026-0006)
Broadcom's VMSA-2026-0006 patches two unauthenticated, CVSS 9.8 vCenter Server flaws (auth bypass and directory-traversal RCE) plus a VMXNET3 VM escape in ESXi — no workarounds exist for either critical vCenter bug.
N-able N-central Authentication Bypass (CVE-2026-18556) Exploited to Hijack Managed Endpoints via Take Control and Cloudflare Tunnels
An authentication bypass in N-able's N-central RMM platform, tracked as CVE-2026-18556, was exploited in the wild to gain admin access and pivot into managed customer environments using Take Control and rogue Cloudflare tunnels.
CVE-2026-20316: Static Credentials in Cisco Secure FMC Under Active Exploitation, Added to CISA KEV
Cisco disclosed CVE-2026-20316, a hardcoded low-privilege account baked into Secure Firewall Management Center's web interface that lets unauthenticated attackers log in and pull sensitive data — CISA added it to the KEV catalog on July 29 after confirming in-the-wild exploitation.
CVE-2026-16812: Max-Severity Command Injection in Arista VeloCloud Orchestrator, Actively Exploited — CISA Sets July 30 Deadline
An unauthenticated OS command injection flaw (CVSS 10.0) in on-premises Arista VeloCloud Orchestrator is under active exploitation. CISA added it to the KEV catalog on July 27 with a July 30 remediation deadline for federal agencies.
A Third NGINX Heap Overflow in Two Months: CVE-2026-42533 Hits the map Directive
F5 patched CVE-2026-42533, a CVSS 9.2 unauthenticated heap buffer overflow in NGINX's script engine reachable through the map directive's regex handling, plus two lower-severity sibling bugs — all landing in Ingress Controller, Gateway Fabric, and App Protect WAF.
CVE-2026-16232: Check Point SmartConsole Auth Bypass Grants Full Admin — Actively Exploited, Added to CISA KEV
An unauthenticated attacker can steal a SmartConsole application login token and log into Check Point's Security Management Server with full admin rights. CVE-2026-16232 (CVSS 9.3) is under active exploitation and now sits in CISA's KEV catalog with a July 25 remediation deadline.
CVE-2026-50522: SharePoint RCE Under Active Exploitation, Attackers Stealing Machine Keys for Post-Patch Persistence
CVE-2026-50522, a critical 9.8 CVSS SharePoint deserialization RCE, is being actively exploited to steal machine keys that let attackers forge auth tokens and keep access even after the box is patched.
CVE-2026-50518: Unauthenticated Heap Overflow RCE in Windows DHCP Server, No Exploit Required to Care
CVE-2026-50518 is a CVSS 9.8 heap-based buffer overflow in Windows DHCP Server, exploitable pre-auth over the network with no user interaction. Microsoft rates it Exploitation More Likely.
Six Bulletins, One Bug Class: What Ubiquiti's 2026 UniFi Cadence Reveals About Shared-OS Edge Platforms
Since October 2025, Ubiquiti has shipped six security bulletins covering the UniFi line — five of them containing CVSS 9.9-10.0 flaws, two of them the exact same shell-injection bug class shipped seven months apart. This is what happens when one Nginx gateway and one OS layer sit in front of your network, your cameras, and your door locks.
VMSA-2026-0005: Seven Flaws in VMware Avi Load Balancer, Topped by a 9.8 Auth Bypass
Broadcom patched seven vulnerabilities in VMware Avi Load Balancer, led by CVE-2026-47865, a CVSS 9.8 authentication bypass that gives a network attacker a foothold on the control plane.
HollowByte: An 11-Byte TLS Handshake Payload That Bloats OpenSSL Server Memory
A memory-allocation flaw in OpenSSL's TLS handshake parsing, dubbed HollowByte, lets an unauthenticated attacker exhaust server memory with an 11-byte payload per connection. No CVE was assigned; patched in 4.0.1 and backported across the 3.x line.
AA26-194A: NSA, CISA, FBI Warn Russian FSB Center 16 Is Harvesting Router Configs via Weak SNMP and an 18-Year-Old Cisco CSRF Bug
A 19-agency joint advisory (AA26-194A) details a years-long Russian FSB Center 16 campaign that scans for default SNMP community strings and an 18-year-old Cisco IOS CSRF flaw (CVE-2008-4128, now in CISA KEV) to exfiltrate router configs and pivot into critical infrastructure.