Threat Feed
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highbug_reportVulnerabilityThreat actor k0t exploits Fortinet and Palo Alto firewalls, exposes 70K creds
Fortinet FortiGate and FortiWeb firewalls, Palo Alto Networks GlobalProtect, PAN-OS, and Prisma Access. Exploited vulnerabilities: CVE-2025-64446 (FortiWeb path traversal) and CVE-2026-0257 (PAN-OS/Prisma Access authentication bypass).
criticalbug_reportVulnerabilityFortinet releases critical security updates across multiple products
Multiple Fortinet products affected. Specific product names, versions, and CVE identifiers not disclosed in available advisory. CERT.BE has issued urgent patching guidance.
criticalbug_reportVulnerabilityFortinet FortiSIEM CVE-2026-106173: PoC exploit for unauthenticated RCE
Fortinet FortiSIEM version 7.5.0. FortiSIEM 7.6 is not affected. The vulnerability targets the gRPC service on TCP port 27918.
highbug_reportVulnerabilityFortinet FortiOS path traversal flaw exploited to deploy PEERSTITCH malware
Fortinet FortiOS, FortiPAM, FortiProxy, and FortiSwitchManager vulnerable to CVE-2025-61624 (CVSS 5.4), a path traversal flaw in the command line interpreter. Patched by Fortinet in April 2026.
criticalbug_reportVulnerabilityPEERSTITCH malware deployed on 500+ FortiGate firewalls via FortiManager
Fortinet FortiManager and 500+ managed FortiGate firewalls. Initial compromise via CVE-2024-47575 (FortiJump) on FortiManager FMG-Access service (TCP 541).
criticalbug_reportVulnerabilityCritical Fortinet vulnerabilities in FortiSIEM, FortiAnalyzer, FortiManager
Fortinet FortiSIEM, FortiAnalyzer, and FortiManager products. Specific affected versions not provided in source material. Multiple high and critical severity vulnerabilities reported by CERT.BE.
highperson_alertThreat ActorFortiBleed Campaign Exploits Leaked Credentials to Compromise FortiGate VPNs
FortiBleed refers to a large-scale credential-harvesting and access-brokering campaign discovered in June 2026, when attackers inadvertently exposed a server containing usernames and plaintext passwords for 73,932 Fortinet FortiGate firewall URLs acr…
highbug_reportVulnerabilityFBI warns FortiBleed campaign actively harvesting Fortinet credentials
Internet-facing Fortinet FortiGate firewalls and SSL VPN gateways. All versions using legacy SHA-256 password storage are vulnerable. Over 86,644 device credentials compromised across 194 countries as of June 2026.
criticalbug_reportVulnerabilityFortiMail vulnerability under active exploitation, immediate patching required
Fortinet FortiMail email security appliances. Specific affected versions not disclosed in available information. CVE identifier not yet assigned or not publicly disclosed.
criticalbug_reportVulnerabilityFortinet FortiMail zero-day CVE-2026-104286 exploited for file writes
Fortinet FortiMail versions 7.2.0-7.2.9, 7.4.0-7.4.8, 7.6.0-7.6.6, and 8.0.0-8.0.1. Unauthenticated remote attackers can write arbitrary files via path traversal and null byte injection flaws in HTTP/HTTPS handlers.
criticalbug_reportVulnerabilityFortinet FortiMail critical RCE (CVE-2026-104286) exploited in the wild
Fortinet FortiMail appliances. Specific affected versions not disclosed in available information. Vulnerability enables remote code execution or command execution on vulnerable devices.
criticalbug_reportVulnerabilityCISA flags 3 exploited flaws in Cisco FMC, Citrix NetScaler, Fortinet
CVE-2026-20079: Cisco Secure Firewall Management Center (FMC) Software (CVSS 10.0). CVE-2026-19490: Citrix NetScaler ADC and NetScaler Gateway configured as AAA virtual server or Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) (CVSS 9.3).
criticalbug_reportVulnerabilityFortinet FortiOS & FortiSwitchManager RCE requires immediate patching
Fortinet FortiOS and FortiSwitchManager affected by remote code execution vulnerability. Specific affected versions not disclosed in available information. CVE identifier not yet assigned or published.
highbug_reportVulnerabilityFortinet patches multiple high-severity vulnerabilities, urgent action needed
Multiple Fortinet products affected. Specific product names, versions, and CVE identifiers not disclosed in available advisory. Organizations using Fortinet infrastructure should consult vendor security bulletins for detailed scope.
highbug_reportVulnerabilityFortiBleed campaign targets Fortinet globally; Finland unaffected
Fortinet products (specific models and versions not disclosed). Campaign active globally as of June 2026, Finland not impacted to date.
criticalbug_reportVulnerabilityFortinet FortiSandbox critical RCE and privilege escalation flaw
Fortinet FortiSandbox - specific affected versions not disclosed in available advisory. Product used for malware analysis and threat detection in enterprise environments.
criticalbug_reportVulnerabilityCISA orders patching of actively exploited Fortinet FortiSandbox flaws
Fortinet FortiSandbox threat detection platform. Specific versions not provided in available data. Two vulnerabilities confirmed, CVE identifiers not yet disclosed.
highperson_alertThreat ActorFortiBleed Campaign Linked to INC and Lynx Ransomware Operations
The FortiBleed campaign is a financially-motivated credential theft operation attributed to actors associated with the INC and Lynx ransomware groups. The campaign focuses on exploiting FortiGate devices to harvest credentials, which are subsequently…
highperson_alertThreat ActorINC and Lynx Ransomware Groups Exploit FortiBleed for Credential Theft
INC and Lynx are ransomware threat actors linked to the FortiBleed credential theft campaign. These groups operate with the primary motivation of financial gain through ransomware deployment.
highbug_reportVulnerabilityOusaban banking trojan targets Spain and Portugal via phishing
Windows users in Spain and Portugal. Ousaban banking trojan campaign using fake PDF lures with geolocation filtering and steganography techniques. No specific product vulnerability; threat actor campaign identified by Fortinet FortiGuard Labs in May…
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,…
highperson_alertThreat ActorFortiBleed Campaign Targets FortiGate Devices with Credential Sniffers
FortiBleed is a campaign-level designation for coordinated activity targeting Fortinet FortiGate network security appliances. The campaign's primary objective is credential harvesting through the deployment of custom sniffers on compromised firewalls…
highperson_alertThreat ActorRussian-speaking actors compromise 86,644 FortiGate devices via FortiBleed
Russian-speaking threat actors are conducting the FortiBleed campaign, targeting internet-accessible FortiGate appliances at scale. The actors' specific motivation remains unclear from available data, though the mass compromise of 86,644 devices sugg…
highpublicGeopoliticalCISA warns of 74,000 Fortinet credentials exposed in FortiBleed leak
The exposure of approximately 74,000 Fortinet firewall and VPN credentials represents a significant supply-side vulnerability affecting critical infrastructure globally.
highbug_reportVulnerabilityNCSC warns of active global campaign targeting Fortinet firewalls and VPNs
Fortinet firewalls and VPN gateways globally. Specific product lines and versions not disclosed in alert. Organizations using FortiGate, FortiOS, or FortiClient VPN services should assume potential exposure.
criticalbug_reportVulnerabilityFortinet FortiSandbox under active exploit for 3 CVEs including critical 9.1
Fortinet FortiSandbox - specific affected versions not disclosed. Three CVEs: CVE-2026-39813 (CVSS 9.1 critical), CVE-2026-39808, CVE-2026-25089. At least one vulnerability recently patched; patch status of others unclear.
criticalbug_reportVulnerabilityActive exploitation of critical FortiSandbox vulnerabilities
Fortinet FortiSandbox cyber threat detection platform. Specific versions not disclosed. No CVE assigned yet.
criticalbug_reportVulnerabilityCritical command injection flaw in Fortinet FortiSandbox requires patching
Fortinet FortiSandbox (specific versions not disclosed in available data). Command injection vulnerability allows unauthorized command execution.
criticalbug_reportVulnerabilityFortinet FortiSandbox command injection flaw enables remote code execution
Fortinet FortiSandbox products affected by CVE-2026-25089 (CVSS 9.1). Specific vulnerable versions not disclosed in provided data. Ivanti and SAP also released patches for separate critical vulnerabilities.
highbug_reportVulnerabilityFortinet FortiClient EMS auth bypass exploited to deploy EKZ malware
Fortinet FortiClient Enterprise Management Server (EMS). Specific vulnerable versions not provided in available data. Authentication bypass vulnerability CVE-2026-35616 allows unauthorized access.