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/r/netsec

@_r_netsec@infosec.exchange
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Follow for new posts submitted to the netsec subreddit. Unofficial.

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50 Posts
Joined December 01, 2022
Subreddit:
https://reddit.com/r/netsec
Automated by:
@kiding.bsky.social@bsky.brid.gy
Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
The Risk of Fine-Tuned Open-Weight Models · MSec Operations Blog https://www.msecops.de/blog/posts/backdoored-llms/

The Risk of Fine-Tuned Open-Weight Models · MSec Operations Blog

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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
Code Execution via Provisioning Packages https://ipurple.team/2026/08/04/provisioning-packages/
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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
From wallet drains to a 12-year-old CryptoJS entropy bug: the Ill Bloom investigation https://www.coinspect.com/blog/ill-bloom-investigation/
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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
SMAP is Pre-Disarmed: How a Stack Pivot That Shouldn't Work Revealed a Kernel-Wide Design Compromise https://sibouzitoun.tech/articles/smap-is-pre-disarmed/
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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
CFP Open – Looking for Technical AI & Security Research for Après Slopes Summit 2027 https://www.aprescyber.com/
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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
ETW for Security Research: Providers, Sessions, and Detection Engineering https://idov31.github.io/posts/inside-etw-with-etwsuite
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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
Mandatory User Profile for Persistence & EDR Evasion https://ipurple.team/2026/08/11/mandatory-user-profile/
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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1d ago
What Every Programmer Should Know About Twists of Elliptic Curves https://leetarxiv.substack.com/p/twists-of-elliptic-curves
What Every Programmer Should Know About Twists of Elliptic Curves

What Every Programmer Should Know About Twists of Elliptic Curves

Twists Make Elliptic Curves Wildly Insecure. Here'a Cheatsheet Using Bitcoin's Familiar Secp

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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
Designing Patterns to Prevent IDOR https://sevhunt.com/docs/blog/designing-patterns-to-prevent-idor/
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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
OpenAI agents rebuilt a secret message board after the company shut it down https://runtimewire.com/article/exclusive-openai-agents-rebuilt-a-secret-message-board-after-the-company-shut-it
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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
BrainDrain: A Chrome extension that collects your AI prompts without you ever opening it and has 100k users, 9 AI platforms https://malext.io/reports/BrainDrain/
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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
Hush Security raises $30 million to govern enterprise AI agents https://runtimewire.com/article/hush-security-raises-30m-ai-agent-governance
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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
Finding actors that probe a CVE's exploit path before public disclosure in 30M honeypot records. https://honeylabs.net/blog/probe-17-days-before-the-cve
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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
What Every Programmer Should Know About Twists of Elliptic Curves https://leetarxiv.substack.com/p/twists-of-elliptic-curves
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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
Xpsd: decide if a CVE is actually reachable in your tree (SARIF / GitHub code scanning) https://byteray.co.uk/xpsd
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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
Predictable RNG Fallback and 32-Bit Reseed in COLDCARD Firmware https://engineering.block.xyz/blog/predictable-rng-fallback-and-32-bit-reseed-in-coldcard-firmware
Predictable RNG Fallback and 32-Bit Reseed in COLDCARD Firmware
Block Engineering Blog

Predictable RNG Fallback and 32-Bit Reseed in COLDCARD Firmware

How a disabled hardware-RNG path and 32-bit reseed constrain entropy in affected COLDCARD firmware and expose generated secrets.

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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
From Google Ads to Terminal: Dissecting an Apple Support Impersonation Campaign Abusing Claude Share. https://derivai.substack.com/p/fake-claude-code-installer-macsync-malware
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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
Traditional networking vs SDN https://www.researchgate.net/figure/Traditional-networking-versus-SDN-networking_fig1_324941281
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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
Cruising for Shells in Flowise - elttam https://www.elttam.com/blog/cruising-for-shells-in-flowise
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Open post
/r/netsec @_r_netsec@infosec.exchange
· 5h ago
Fastest CVE informer | EchelonGraph https://echelongraph.io/pulse
CVE Pulse — Live Vulnerability Feed
EchelonGraph

CVE Pulse — Live Vulnerability Feed

Search and explore cloud infrastructure vulnerabilities with real-time severity filtering and CVSS scoring.

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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
Simple Job Board ≤ 2.11.0 - Unauthenticated RCE (CVE-2024-1813) https://mobeta.fr/simple-job-board-unauth-rce-cve-2024-1813/
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Open post
/r/netsec @_r_netsec@infosec.exchange
· 2mo ago
Ask Gemini for a "Walmart MCP" and the first result is malware. try it. https://www.island.io/blog/agentbaiting-how-800-fake-ai-skills-and-mcp-servers-delivered-malware
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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
PE OopsSec: Mind your PE, guard your OPSEC https://www.zerosalarium.com/2026/07/pe-oopssec-mind-your-pe-guard-your-opsec.html?m=1
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Open post
/r/netsec @_r_netsec@infosec.exchange
· 4d ago
Red Heron exploits Gitea n-day flaw in multinational campaign, exposing new Linux rootkit https://www.acronis.com/en/tru/posts/red-heron-exploits-gitea-n-day-flaw-in-multinational-campaign-exposing-new-linux-rootkit/
Red Heron exploits Gitea n-day flaw in multinational campaign, exposing new Linux rootkit
Acronis

Red Heron exploits Gitea n-day flaw in multinational campaign, exposing new Linux rootkit

Acronis Threat Research Unit (TRU) uncovered a multinational campaign in which a Chinese-speaking threat actor, tracked as Red Heron, rapidly weaponized CVE-2026-60004 to compromise internet-facing instances of Gitea, a self-hosted source-code management platform. The activity progressed from source-code theft to persistent access, credential collection, and lateral movement.

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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
Data leaks between users and sessions are a design problem https://iamvera.ai/blog/data-leaks-between-users-sessions-design-problem/
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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
New vBulletin Vulnerability! https://ssd-disclosure.com/vbulletin-runtime-template-runmaths-preauth-rce/
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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
KindaRails2Shell: arbitrary file read to RCE in Rails Active Storage via libvips (CVE-2026-66066) https://ethiack.com/info-hub/research/kindarails2shell-rails-rce-cve-2026-66066
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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
Write Once, Shell Everywhere - Turning Arbitrary File Writes into RCE (DEF CON Bug Bounty Village) https://ethiack.com/info-hub/research/write-once-shell-everywhere-arbitrary-file-writes-into-rce
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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
Flying Eagle Android RAT: TLS Certificate Pivots, Panel Fingerprints, and 170 Servers Across Hong Kong ASNs https://hunt.io/blog/flying-eagle-android-rat-170-servers-night-dragon
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Open post
/r/netsec @_r_netsec@infosec.exchange
· 2mo ago
The FCC Wants to Ban Burner Phones. The CNET Reporter Tracking This Story is Here to Chat. Ask Him Anything. https://open.substack.com/pub/pwnhackers/p/the-fcc-wants-to-ban-burner-phones?utm_source=direct&r=56wibp&utm_campaign=post-expanded-share&utm_medium=web
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Open post
/r/netsec @_r_netsec@infosec.exchange
· 21h ago
BragJack - $20K in bounty rewards from Anthropic, Perplexity, Google, Microsoft and Opera Using 1 Extension https://forever.security/blog/bragjack-attack-hijacks-every-browser-agent
Forever
Forever

Forever

AI security for the ever-changing workspace.

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Open post
/r/netsec @_r_netsec@infosec.exchange
· 2w ago
Don’t Let Abliteration Abliterate Your Bug Hunting: Discovering Verdict Bias in Uncensored Models https://clearbluejar.github.io/posts/does-abliteration-skew-your-bug-hunting/
Don’t Let Abliteration Abliterate Your Bug Hunting: Discovering Verdict Bias in Uncensored Models
clearbluejar

Don’t Let Abliteration Abliterate Your Bug Hunting: Discovering Verdict Bias in Uncensored Models

Abliterated models never refuse, which makes them tempting for bug hunting. But on the same kernel source, they graduate three to four times as many findings to VALID, including false positives the base correctly rejects, and across a 28-file scan of FreeBSD’s sys/rpc the most aggressive build never surfaced the real CVE at all.

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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
Claude Mythos degrades HAWK and developed new exploit for round-reduced AES https://www.anthropic.com/research/discovering-cryptographic-weaknesses

Discovering cryptographic weaknesses with Claude

Anthropic researchers find weaknesses in cryptographic algorithms with Claude Mythos Preview

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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1d ago
The Risk of Fine-Tuned Open-Weight Models · MSec Operations Blog https://www.msecops.de/blog/posts/backdoored-llms/

The Risk of Fine-Tuned Open-Weight Models · MSec Operations Blog

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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
The state of vibe-coded app security: my analysis of 549 self-described AI-generated repos (study + raw data) https://ogbuilds.ai/studies/vibe-coded-security
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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
How AI is powering business email compromise at scale https://research.eye.security/phishing-as-a-service-inside-two-ai-powered-phishing-kits-that-automate-bec/
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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
Your House Has an FFmpeg Problem - elttam https://www.elttam.com/blog/your-house-has-an-ffmpeg-problem
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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
Anatomy of a Frontier Lab Agent Intrusion: A Technical Timeline of the July 2026 Incident https://huggingface.co/blog/agent-intrusion-technical-timeline
Anatomy of a Frontier Lab Agent Intrusion: A Technical Timeline of the July 2026 Incident

Anatomy of a Frontier Lab Agent Intrusion: A Technical Timeline of the July 2026 Incident

We’re on a journey to advance and democratize artificial intelligence through open source and open science.

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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1d ago
Predictable RNG Fallback and 32-Bit Reseed in COLDCARD Firmware https://engineering.block.xyz/blog/predictable-rng-fallback-and-32-bit-reseed-in-coldcard-firmware
Predictable RNG Fallback and 32-Bit Reseed in COLDCARD Firmware
Block Engineering Blog

Predictable RNG Fallback and 32-Bit Reseed in COLDCARD Firmware

How a disabled hardware-RNG path and 32-bit reseed constrain entropy in affected COLDCARD firmware and expose generated secrets.

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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
Device Code Phishing: The Microsoft 365 Attack That Walks Past MFA http://scamdrill.com/blog/m365-oauth-device-code-phishing
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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
DEFCON: New Red Team Tactic https://doctoreww.github.io/EvilFontTool/
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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
WP2Shell: Hands-On Lab Reproducing the Pre-Auth WordPress Core RCE https://learn.uphack.io/lab/wp2shell-wordpress-rce
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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
How We Hacked Thousands of Data Centers in Minutes Using a 20-Year-Old Vulnerability https://lavahq.io/research/bmc-exposure-alert
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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
Detection and Enforcement for Endpoint AI Agents https://research.perplexity.ai/articles/securing-agents-across-perplexity%E2%80%99s-client-endpoints-with-numbat
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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
Pollard's P-1 Factoring Algorithm in Plain C https://leetarxiv.substack.com/p/pollards-p-1-factoring-algorithm
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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
Full Rails RCE technical writeup... KindaRails2Shell: How a MATLAB file reads your secrets and pops a shell on Ruby on Rails | Ethiack https://ethiack.com/info-hub/research/kindarails2shell-how-a-matlab-file-reads-your-secrets-and-pops-a-shell-on-ruby-on-rails
KindaRails2Shell: How a MATLAB file reads your secrets and pops a shell on Ruby on Rails | Ethiack
Ethiack

KindaRails2Shell: How a MATLAB file reads your secrets and pops a shell on Ruby on Rails | Ethiack

CVE-2026-66066: how a .mat file declared as image/png chains into arbitrary file read and remote code execution as root on a default Ruby on Rails application.

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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
I was reporter #11 for a WPForms PayPal webhook vulnerability (CVE-2026-4986) https://blog.himanshuanand.com/2026/07/reporter-11-10-people-found-the-wpforms-paypal-bug-before-me-cve-2026-4986/
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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1d ago
Full Rails RCE technical writeup... KindaRails2Shell: How a MATLAB file reads your secrets and pops a shell on Ruby on Rails | Ethiack https://ethiack.com/info-hub/research/kindarails2shell-how-a-matlab-file-reads-your-secrets-and-pops-a-shell-on-ruby-on-rails
KindaRails2Shell: How a MATLAB file reads your secrets and pops a shell on Ruby on Rails | Ethiack
Ethiack

KindaRails2Shell: How a MATLAB file reads your secrets and pops a shell on Ruby on Rails | Ethiack

CVE-2026-66066: how a .mat file declared as image/png chains into arbitrary file read and remote code execution as root on a default Ruby on Rails application.

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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
Finally, something useful from Google regarding search hijacking https://www.ghacks.net/2026/08/03/google-chrome-prepares-default-block-for-extensions-that-hijack-the-new-tab-page-or-search-engine/
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Open post
/r/netsec @_r_netsec@infosec.exchange
· 1mo ago
Sixteen strangers and a shared obfuscator: mapping the wool scene https://neurowinter.com/security/2026/07/28/the-cast-and-crew/
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