SandboxJS: Sandbox integrity escape

Summary SandboxJS blocks direct assignment to global objects for example Math.random = ..., but this protection can be bypassed through an exposed callable constructor path: this.constructor.calltarget, attackerObject. Because this.constructor resolves to the internal SandboxGlobal function and...

GHSA-2GG9-6P7W-6CPJ SandboxJS: Sandbox integrity escape

Summary SandboxJS blocks direct assignment to global objects for example Math.random = ..., but this protection can be bypassed through an exposed callable constructor path: this.constructor.calltarget, attackerObject. Because this.constructor resolves to the internal SandboxGlobal function and...

Signal K Server: Unauthenticated Source Priorities Manipulation

Summary The SignalK Server exposes an unauthenticated HTTP endpoint that allows remote attackers to modify navigation data source priorities. This endpoint, accessible via PUT /signalk/v1/api/sourcePriorities, does not enforce authentication or authorization checks and directly assigns...

CVE-2026-34990

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, a local unprivileged user can coerce cupsd into authenticating to an attacker-controlled localhost IPP service with a reusable Authorization: Local ... token. That...

CVE-2026-34990

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, a local unprivileged user can coerce cupsd into authenticating to an attacker-controlled localhost IPP service with a reusable Authorization: Local ... token. That...

Metasploit Wrap-Up 04/03/2026

Additional Adapters and More Modules This week, we added a whole new bunch of HTTP/HTTPS-based CMD payloads for X64 and X86 versions of Windows. The additional breadth of selectable payloads and delivery techniques allows users new options to tailor the attack workflow for their environment. This...

OpenClaw: Endpoint persists after trust decline, leaking gateway credentials

Summary Remote onboarding preserves attacker-discovered endpoint after trust decline, routing gateway credentials to it Current Maintainer Triage - Status: narrow - Normalized severity: medium - Assessment: Real shipped onboarding trust-decline bug because the declined discovered URL survived int...

Windows Persistence via UserInitMprLogonScript

This module establishes persistence by setting the UserInitMprLogonScript value in HKCU\Environment. During user logon, userinit.exe checks this value and executes the specified command or binary. The module writes a payload executable to disk and points UserInitMprLogonScript to that payload...

CVE-2026-33951

Signal K Server is a server application that runs on a central hub in a boat. Prior to version 2.24.0-beta.1, the SignalK Server exposes an unauthenticated HTTP endpoint that allows remote attackers to modify navigation data source priorities. This endpoint, accessible via PUT...

CVE-2026-33951 signalk-server: Unauthenticated Source Priorities Manipulation

Signal K Server is a server application that runs on a central hub in a boat. Prior to version 2.24.0-beta.1, the SignalK Server exposes an unauthenticated HTTP endpoint that allows remote attackers to modify navigation data source priorities. This endpoint, accessible via PUT...

CVE-2026-33951

Signal K Server is a server application that runs on a central hub in a boat. Prior to version 2.24.0-beta.1, the SignalK Server exposes an unauthenticated HTTP endpoint that allows remote attackers to modify navigation data source priorities. This endpoint, accessible via PUT...

Windows Persistence Via UserInitMprLogonScript

This Metasploit module establishes persistence by setting the UserInitMprLogonScript value in HKCU\Environment. During user logon, userinit.exe checks this value and executes the specified command or binary. The module writes a payload executable to disk and points UserInitMprLogonScript to that...

Poison Once, Exploit Forever: Environment-Injected Memory Poisoning Attacks on Web Agents

Memory makes LLM-based web agents personalized, powerful, yet exploitable. By storing past interactions to personalize future tasks, agents inadvertently create a persistent attack surface that spans websites and sessions. While existing security research on memory assumes attackers can directly...

📄 listmonk Session Persistence

listmonk has a flaw where sessions persist as valid after password reset and password change. CVE-2026-34828 listmonk’s Session Persistence After Password Reset and Password Change Intro I found this issue while reviewing listmonk, an open-source newsletter and mailing list manager, with a simple...

GHSA-85M8-G393-JCXF CI4MS: Backup Management Full Account Takeover for All-Roles & Privilege-Escalation via Stored DOM Blind XSS

Summary Vulnerability: Stored DOM Blind XSS via Backup Management Filename Persistent Payload Injection - Stored Cross-Site Scripting Blind XSS via Unsanitized Backup Filename in Backup Management Description The application fails to properly sanitize user-controlled input when handling backup...

Microsoft Warns of WhatsApp-Delivered VBS Malware Hijacking Windows via UAC Bypass

Microsoft is calling attention to a new campaign that has leveraged WhatsApp messages to distribute malicious Visual Basic Script VBS files. The activity, beginning in late February 2026, leverages these scripts to initiate a multi-stage infection chain for establishing persistence and enabling...

3 Reasons Attackers Are Using Your Trusted Tools Against You (And Why You Don’t See It Coming)

For years, cybersecurity has followed a familiar model: block malware, stop the attack. Now, attackers are moving on to what’s next. Threat actors now use malware less frequently in favor of what’s already inside your environment, including abusing trusted tools, native binaries, and legitimate...

OpenClaw: CLI Remote Onboarding Persists Unauthenticated Discovery Endpoint and Exfiltrates Gateway Credentials

Summary Remote onboarding accepted discovered gateway endpoints without an explicit trust confirmation before persisting the remote URL and connection details. Impact A malicious or spoofed discovery endpoint could steer onboarding toward an attacker-controlled gateway and capture future gateway...

GHSA-H45M-MGCP-Q388 openssl-encrypt: TOTP rate limiter is in-memory only — not shared across workers, lost on restart

Severity: HIGH Summary The TOTP brute-force rate limiter in opensslencryptserver/modules/pepper/totp.py at lines 47-98 uses an in-memory defaultdictlist as a class variable. Affected Code python class TOTPRateLimiter: def initself, ...: self.attempts: Dictstr, Listdatetime = defaultdictlist...

Malicious code in @c8o/nimbus-core (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 8225c79aa127203c225df747705db370e11cfae184af100a063b2dfa4eb20eb8 The package @c8o/nimbus-core was found to contain malicious code. Source: ghsa-malware 23fd3197db4264e7b8ef6d65380e017c5b205b46a8e732df586feffcf3c7c7...