firewall
Root-level RCE vulnerability in Palo Alto firewalls exploited (CVE-2026-0300)
A critical vulnerability (CVE-2026-0300) affecting Palo Alto Networks firewalls is being actively exploited by attackers, the security company acknowledged today, and urged …
Pipelock: Open-source AI agent firewall
AI coding agents run with shell access, environment variables containing API keys, and unrestricted internet connectivity, creating a single point of failure where one …
Open-source IPFire DNS Firewall blocks malware and phishing at the resolver
The IPFire project shipped Core Update 201 for its 2.29 release line, bringing DNS-layer domain blocking into the open-source firewall distribution. The update replaces two …
Product showcase: LuLu reveals unauthorized outbound connections from Mac apps
LuLu is a free, open-source firewall for macOS that lets you control which apps are allowed to send data from your computer. macOS includes a built-in firewall, but it mainly …
New Cisco firewall malware can only be killed by pulling the plug
Suspected state-sponsored attackers are using a custom backdoor to persistently compromise Cisco security devices (firewalls), the US CISA and the UK National Cyber Security …
Progress Software fixes sneaky WAF bypass vulnerability (CVE-2026-21876)
Progress Software has fixed a slew of high-severity vulnerabilities in MOVEit WAF and LoadMaster, including a flaw (CVE-2026-21876) that may allow attackers to bypass firewall …
Cisco FMC flaw was exploited by Interlock weeks before patch (CVE-2026-20131)
A critical vulnerability (CVE-2026-20131) in Cisco Secure Firewall Management Center (FMC) that Cisco disclosed and patched in early March 2026 has been exploited as a …
Cisco warns of SD-WAN Manager exploitation, fixes 48 firewall vulnerabilities
Cisco has confirmed that two Catalyst SD-WAN Manager vulnerabilities (CVE-2026-20128 and CVE-2026-20122) patched in late February 2025 are being exploited by attackers. The …
IPFire ships its 200th core update with a new domain blocklist and kernel upgrade
Network firewall distribution IPFire released Core Update 200, marking the 200th incremental update to the 2.29 branch. The release bundles a kernel upgrade, a beta domain …
CISA orders US federal agencies to replace unsupported edge devices
The US Cybersecurity and Infrastructure Security Agency (CISA) issued a new binding operational directive aimed at reducing a long-standing cyber risk across federal networks: …
OPNsense 26.1 brings updates to open-source firewall management
OPNsense, the open-source firewall and network security platform, reached version 26.1, adding a range of updates affecting management, traffic visibility, automation …
Fortinet starts patching exploited FortiCloud SSO zero-day (CVE-2026-24858)
Fortinet has begun releasing FortiOS versions that fix CVE-2026-24858, a critical zero-day vulnerability that allowed attackers to log into targeted organizations’ …
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