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criticalbug_reportVulnerabilityAtlassian path traversal flaw (CVE-2026-21589) exposes files in 8 products
8 Atlassian Data Center products: Bitbucket, Confluence, Jira Software, Jira Service Management, Bamboo, Crowd, Crucible, and Fisheye. All versions prior to fixed releases (e.g., Confluence <9.2.26/10.2.19, Jira Software <9.12.40/10.3.26/11.3.12).
highbug_reportVulnerabilityClickFix attacks evolve with browser cache smuggling to bypass Run limits
Windows systems with Firefox and other browsers; users targeted via compromised websites and phishing lures. No specific product vulnerability—relies on social engineering to execute cached VBScript payloads that deploy credential-stealing .NET assem…
criticalbug_reportVulnerabilityRejetto HFS weak signing key flaw (CVE-2026-61500) actively scanned
Rejetto HFS (HTTP File Server) versions 3.0.0 through 3.2.0 on Windows, Linux, and macOS. Fixed in version 3.2.1; latest stable is 3.3.4.
highbug_reportVulnerabilityMicrosoft Exchange privilege escalation allows mailbox access (CVE-2026-96940)
Microsoft Exchange Server on-premises: Subscription Edition RTM, Exchange Server 2016 CU23, Exchange Server 2019 CU14 and CU15. Exchange Online already patched server-side; no customer action required.
highbug_reportVulnerabilityCitrix NetScaler ADC/Gateway DoS flaw requires immediate patching
Citrix NetScaler ADC and NetScaler Gateway (specific versions not disclosed in available data). Remote attackers can trigger denial of service conditions.
criticalbug_reportVulnerabilityDell System Update path traversal flaw allows unauthenticated root RCE
Dell System Update (DSU) CLI deployment tool, versions prior to 2.3.0.0. Used on PowerEdge enterprise servers running Linux and Windows for BIOS, firmware, and software updates.
highbug_reportVulnerabilityCling botnet exploits Realtek SDK flaw, uses STUN for covert C2
Realtek Jungle SDK (CVE-2021-35394, CVSS 9.8). Also targets routers and DVRs from Realtek, Eir, MVPower, LB-LINK, FiberHome, China Mobile, TBK, Linksys, Linear, D-Link, Sunhillo, Tenda, and Hytec via 20+ CVEs spanning 2014-2025.
highbug_reportVulnerabilityMISP TOTP flaw allows duplicate 2FA codes within validity window
MISP (Malware Information Sharing Platform) - specific vulnerable versions not disclosed in advisory. Affects instances using TOTP-based two-factor authentication.
highbug_reportVulnerabilityApache HTTP Server vulnerabilities require immediate patching
Apache HTTP Server - specific versions not provided in advisory. All organizations running Apache HTTP Server should verify their version against latest security bulletins.
criticalbug_reportVulnerabilityRejetto HFS session forgery flaw under active exploitation for RCE
Rejetto HTTP File Server (HFS) versions 3.0.0 through 3.2.0. Version 3.2.1 (released July 2026) contains the patch. All unpatched instances exposed to the internet are at risk.
highbug_reportVulnerabilityCitrix NetScaler zero-day CVE-2026-88779 exploited in SAML attacks
Citrix NetScaler ADC and NetScaler Gateway versions prior to 14.1-73.41, 13.1-64.28, 14.1-FIPS 14.1-73.41, and 13.1-FIPS/13.1-NDcPP 13.1-37.282. Only deployments configured as SAML service provider (SP) or SAML identity provider (IdP) are vulnerable.
criticalbug_reportVulnerabilityCitrix NetScaler SAML zero-day CVE-2026-88779 exploited for DoS, RCE suspected
Citrix NetScaler ADC and NetScaler Gateway appliances with SAML authentication enabled (Gateway or AAA functionality). Vulnerable versions include all releases prior to 14.1-73.41, 13.1-64.28, 14.1-73.41 FIPS, and 13.1-37.282 (NDcPP/FIPS).
criticalbug_reportVulnerabilityGitLab AI Gateway RCE flaw (CVE-2026-90970) affects self-hosted instances
GitLab AI Gateway versions 18.1.6 through 19.4.0 on self-hosted deployments. Authenticated users with Duo Agent Platform access can exploit. GitLab.com, GitLab Dedicated, and self-managed instances using GitLab-hosted gateways are NOT affected.
criticalbug_reportVulnerabilityDell CSM critical flaws allow unauthenticated admin access on Kubernetes
Dell Container Storage Modules (CSM) all versions prior to 1.17.0. Fixed in version 1.18.0. Affects csm-authorization-storage gRPC server, authorization proxy, tenant service, ContainerStorageModule Custom Resource reconciler, CSM Authorization modul…
criticalbug_reportVulnerabilityGitLab AI Gateway critical RCE allows arbitrary command execution
GitLab AI Gateway service. Specific affected versions not disclosed in available information. Impacts organizations running GitLab instances with AI Gateway enabled.
criticalbug_reportVulnerabilityDell CSM Authorization flaws allow unauthenticated admin takeover
Dell Container Storage Modules (CSM) Authorization module, versions prior to 1.18.0. Affects environments integrating Dell PowerStore, PowerScale, PowerFlex, PowerMax, and Unity XT storage arrays with Kubernetes.
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_reportVulnerabilityCitrix NetScaler zero-day exploited in Finland before patches released
Citrix NetScaler ADC and Gateway versions 13.1 and 14.1 (including FIPS and NDcPP variants) released before September 27, 2026 patches. Internet-facing instances at highest risk.
criticalbug_reportVulnerabilityCitrix NetScaler ADC/Gateway under active attack in Finland
Citrix NetScaler ADC and NetScaler Gateway (all unpatched versions). Eight CVEs (CVE-2026-88771 through CVE-2026-88778) with CVSS 4.0 scores 7.0–9.5 (High to Critical).
criticalbug_reportVulnerabilityKiteworks patches critical code injection flaw in Email Protection Gateway
Kiteworks Email Protection Gateway (EPG) all versions before 9.4.1. EPG is part of the Kiteworks Private Content Network used by thousands of global corporations and government agencies with over 100 million end-users.
criticalbug_reportVulnerabilityCisco Catalyst SD-WAN Manager auth bypass under active exploitation
Cisco Catalyst SD-WAN Manager (specific versions not disclosed in source). Vulnerability allows unauthenticated remote attackers to gain administrative API access.
criticalbug_reportVulnerabilityCisco Catalyst SD-WAN Manager auth bypass exploited in the wild
Cisco Catalyst SD-WAN Manager, all vulnerable versions prior to patched releases. The vulnerability (CVE-2026-76504) affects the API authentication mechanism due to improper URI encoding handling in HTTP requests.
criticalbug_reportVulnerabilityWatchGuard Fireware OS critical RCE flaw requires immediate patching
WatchGuard Fireware OS - specific versions not disclosed in available data. Affects WatchGuard firewall appliances running vulnerable Fireware OS versions.
highbug_reportVulnerabilityApple CoreGraphics CVE-2026-86950 PoC published; in-the-wild use reported
Apple CoreGraphics on iOS versions before iOS 27 and macOS Golden Gate 27. Vulnerability triggered via malicious PDF with crafted embedded TrueType font.
criticalbug_reportVulnerabilityBitget confirms zero-day in third-party security product led to $387M theft
Bitget cryptocurrency exchange; third-party security products (Product A and Product B, vendors unnamed); 11 blockchains including Ethereum, XRP Ledger, Zcash, TRON, Arbitrum, Optimism, Base, BNB Smart Chain, Avalanche, Algorand, and Celestia.
highbug_reportVulnerabilityZammad zero-days CVE-2026-102489/102490 exploited in AI-driven breach
Zammad open-source ticketing system, all versions prior to version 7. Both self-hosted and hosted deployments affected. Over 2,000 customers and 55,000 users globally, including enterprise and nonprofit organizations.
highbug_reportVulnerabilityZimbra CVE-2026-73570 exploited to deploy web shells, steal credentials
Zimbra Collaboration Suite (ZCS) versions prior to 10.1.20. Exploitation requires SNMP notifications enabled and the optional zimbra-snmp package installed. Unauthenticated remote code execution via crafted SMTP requests.
highbug_reportVulnerabilityPhishing campaign abuses legitimate MSP360 RMM to deploy ScreenConnect
Organizations using Windows endpoints. Attackers distribute legitimate MSP360 RMM v2.5.0.67 installer via phishing emails with deceptive filenames (meeting invites, PDF readers, Zoom installers). ScreenConnect deployed as secondary RMM.