Proof of Concept
Hackers now exploiting critical Fortinet FortiSIEM flaw in attacks
A critical Fortinet FortiSIEM vulnerability with publicly available proof-of-concept exploit code is now being abused in attacks. According to security researcher Zach Hanley at penetration testing company Horizon3.ai, who reported the vulnerability (CVE-2025-64155), it is a combination of two issues that allow arbitrary writes with admin permissions and privilege escalation to root access. “An improper […]
Exploit code public for critical FortiSIEM command injection flaw
Technical details and a public exploit have been published for a critical vulnerability affecting Fortinet’s Security Information and Event Management (SIEM) solution that could be leveraged by a remote, unauthenticated attacker to execute commands or code. The vulnerability is tracked as CVE-2025-25256, and is a combination of two issues that permit arbitrary write with admin permissions […]
Cisco warns of Identity Service Engine flaw with exploit code
Cisco has patched a vulnerability in its Identity Services Engine (ISE) network access control solution, with public proof-of-concept exploit code, that can be abused by attackers with admin privileges. Enterprise admins use Cisco ISE to manage endpoint, user, and device access to network resources while enforcing a zero-trust architecture. The security flaw (CVE-2026-20029) affects Cisco […]
Exploited MongoBleed flaw leaks MongoDB secrets, 87K servers exposed
A severe vulnerability affecting multiple MongoDB versions, dubbed MongoBleed (CVE-2025-14847), is being actively exploited in the wild, with over 80,000 potentially vulnerable servers exposed on the public web. A public exploit and accompanying technical details are available, showing how attackers can trigger the flaw to remotely extract secrets, credentials, and other sensitive data from an […]
WebRAT malware spread via fake vulnerability exploits on GitHub
The WebRAT malware is now being distributed through GitHub repositories that claim to host proof-of-concept exploits for recently disclosed vulnerabilities. Previously spread through pirated software and cheats for games like Roblox, Counter Strike, and Rust, WebRAT is a backdoor with info-stealing capabilities that emerged at the beginning of the year. According to a report from Solar 4RAYS in May, […]
W3 Total Cache WordPress plugin vulnerable to PHP command injection
A critical flaw in the W3 Total Cache (W3TC) WordPress plugin can be exploited to run PHP commands on the server by posting a comment that contains a malicious payload. The vulnerability, tracked as CVE-2025-9501, affects all versions of the W3TC plugin prior to 2.8.13 and is described as an unauthenticated command injection. W3TC is installed on more than […]
Windows Server emergency patches fix WSUS bug with PoC exploit
Microsoft has released out-of-band (OOB) security updates to patch a critical-severity Windows Server Update Service (WSUS) vulnerability with publicly available proof-of-concept exploit code. WSUS is a Microsoft product that enables IT administrators to manage and deliver Windows updates to computers within their network. Tracked as CVE-2025-59287, this remote code execution (RCE) security flaw affects only Windows […]
Exploit available for critical Cisco ISE bug exploited in attacks
Security researcher Bobby Gould has published a blog post demonstrating a complete exploit chain for CVE-2025-20281, an unauthenticated remote code execution vulnerability in Cisco Identity Services Engine (ISE). The critical vulnerability was first disclosed on June 25, 2025, with Cisco warning that it impacts ISE and ISE-PIC versions 3.3 and 3.4, allowing unauthenticated, remote attackers to […]
CISA warns of attackers exploiting Linux flaw with PoC exploit
CISA has warned U.S. federal agencies about attackers targeting a high-severity vulnerability in the Linux kernel’s OverlayFS subsystem that allows them to gain root privileges. This local privilege escalation security flaw (CVE-2023-0386) is caused by a Linux kernel improper ownership management weakness and was patched in January 2023 and publicly disclosed two months later. Multiple proof-of-concept (PoC) exploits […]
Cisco warns of ISE and CCP flaws with public exploit code
Cisco has released patches to address three vulnerabilities with public exploit code in its Identity Services Engine (ISE) and Customer Collaboration Platform (CCP) solutions. The most severe of the three is a critical static credential vulnerability tracked as CVE-2025-20286, found by GMO Cybersecurity’s Kentaro Kawane in Cisco ISE. This identity-based policy enforcement software provides endpoint access […]