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RCE in "json" mode of JsonPlusSerializer
RCE in "json" mode of JsonPlusSerializer
# Summary Prior to `langgraph-checkpoint` version `3.0` , LangGraph’s `JsonPlusSerializer` (used as the default serialization protocol for all checkpointing) contains a remote code execution (RC...
·github.com·
RCE in "json" mode of JsonPlusSerializer
You Already Have Our Personal Data, Take Our Phone Calls Too (FreePBX CVE-2025-57819)
You Already Have Our Personal Data, Take Our Phone Calls Too (FreePBX CVE-2025-57819)
We’re back - it’s a day, in a month, in a year - and once again, something has happened. In this week’s episode of “the Internet is made of string and there is literally no evidence to suggest otherwise”, we present even further evidence that as a species we made a fairly painful mistake when we discovered electricity - and it just got worse and worse. Today, inside this hellscape we call the Internet, a mean person has discovered a zero-day(s) in FreePBX (now lovingly called CVE-2025-57819).
·labs.watchtowr.com·
You Already Have Our Personal Data, Take Our Phone Calls Too (FreePBX CVE-2025-57819)
Clickhouse db security
Clickhouse db security
I recently ran across an application that allowed access to a ClickHouse DB for my user. The access was allowed, so that isn’t an issue. However, when we as pentesters or bug bounty hunters get access to a DB legitimately or via SQLi, the first question that comes to mind is, “What can I do with this?”. Having not dealt with ClickHouse much, the first thing I did was search the internet for information related to pentesting a ClickHouse DB, and I did not find anything. So, I figured I’d write a bit about it.
·pizzapower.me·
Clickhouse db security
Trends
Trends
Trends Description
·dbugs.ptsecurity.com·
Trends
Historical Analysis of Reflected Vulnerabilities: The Evolution of Windows Defender Defenses
Historical Analysis of Reflected Vulnerabilities: The Evolution of Windows Defender Defenses
This report analyzes a historical class of security flaws known as “reflected vulnerabilities,”which were once potent zero-day attack vectors targeting early Windows versions and antivirussoftware. We examine classic exploitation techniques, such as parser attacks, packet fragmen-tation, and syscall abuse, which could lead to remote code execution (RCE) or privilege esca-lation. The objective is educational, demonstrating how modern defenses in Windows 11 andWindows Defender—such as Address Space Layout Randomization (ASLR), Data ExecutionPrevention (DEP), Control Flow Guard (CFG), and hardened parsers—have rendered this classof vulnerabilities obsolete. Proof-of-concept (PoC) code is provided solely to illustrate histor-ical concepts and is non-functional on modern systems, ensuring compliance with responsibledisclosure principles.
·zenodo.org·
Historical Analysis of Reflected Vulnerabilities: The Evolution of Windows Defender Defenses
s1r1us (@S1r1u5_) on X
s1r1us (@S1r1u5_) on X
Mutation-Based XSS + V8 type confusion + V8 sandbox escape = RCE on Basecamp. Disclosed it on Hackerone: https://t.co/slsv3j4jXx go read the comments if you wanna see what a week of exploit dev pain looks like.
·x.com·
s1r1us (@S1r1u5_) on X