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What r/netsec is talking about this week

r/netsec has 577,309 members and 4 posts in the last 24 hours, with about 0.4 comments an hour right now. From the Redlisten index, refreshed daily.

577,309members
4posts in the last 24 hours, newest 10 h ago
0.4comments an hour right now, newest 5 h ago
238points on the top thread this week

Words coming up in r/netsec this week

cve17rce15security10php7email6server6php2shell5deep5dive5exploit5pre5auth5

Top threads this week

  1. Tricking Deepseek Into Not Hacking Your Website
    238 points22 comments3 d ago
  2. I spent countless nights digging into PHP2Shell. Here's a deep dive into how it actually works, from memory to PHP internals to a real exploit.

    When the PHP vulnerabilities were first announced, I spent a HUGE amount of time trying to figure out the logic behind them. As many others who tried investigating them probably noticed, there was...

    203 points10 comments4 d ago
  3. IP snowshoeing under US .gov email via a whitelisted AmazonSES typo in SPF

    I run a small email security consultancy and this is our research. A typo of AmazonSES in US government DNS whitelisted 32,066 IPs to pass DMARC p=quarantine as milivcounty\[.\]gov, with the IP...

    159 points12 comments2 d ago
  4. unlocking any car from X brand in most of the world
    99 points7 comments5 d ago
  5. Certificate authority list: every CA's incident record since 2017

    CAs found 17% of their own incidents in 2026 so far, down from 29% last year and 59% in 2022. Researchers, root programs, and other outsiders found the rest. That's from a dataset we built of...

    42 points5 comments2 d ago
  6. Forwarded Without Question: How Web Frameworks Overtrust the Forwarded Header

    Many common web frameworks like Spring and Ruby on Rails trust the Forwarded header by default, even though most proxies don't actually have any support for it. This makes apps vulnerable to...

    33 points2 comments6 d ago
  7. Barracuda Networks is your new best friend (Barracuda Email Security Gateway Pre-Auth Remote Root RCE CVE-2026-116606 / CVE-2026-111560) - watchTowr Labs
    31 points1 comment6 d ago
  8. Electron, we have a problem

    Electron, we have a problem. Many Electron apps auto-update without verifying signatures. Many also still trust the compromised eMudhra certificates. Together, that lets an attacker on your...

    20 points0 comments2 d ago
  9. Pwning Home Assistant Green: Pre-Auth RCE in Eclipse Mosquitto
    11 points1 comment3 d ago
  10. Who’s Trying to Get Into Our Fridge Freezer? There's nowt in it!
    10 points1 comment6 d ago

Newest posts

  1. Hide and Stream: Ambient Aircraft-DopplerGeolocation of Live Audio, and a Defense
    1 points0 comments10 h ago
  2. Qlik Sense Servers Hit With PowerShell Reverse Shells; Attacker Server Holds ActiveMQ and Veeam Exploits
    1 points0 comments10 h ago
  3. ScriptBlock Smuggling - AMSI Evasion
    1 points0 comments10 h ago
  4. 2.4% of AFRINIC’s IPv4 addresses answer from outside Africa, and about 81% of those sit in one company’s four blocks
    1 points0 comments11 h ago
  5. Supabase Security findings why RLS is only 25% of the issues
    1 points0 comments1 d ago
  6. Cracking Server 2022 NTLMv1-SSP Hashes with Rainbow Tables
    1 points0 comments1 d ago
  7. Kubernetes Non-Core Security Audit
    6 points0 comments1 d ago
  8. Electron, we have a problem
    20 points0 comments2 d ago
  9. IP snowshoeing under US .gov email via a whitelisted AmazonSES typo in SPF
    159 points12 comments2 d ago
  10. Certificate authority list: every CA's incident record since 2017
    42 points5 comments2 d ago
This is the preview. A key returns every post and comment in r/netsec as JSON or RSS, seconds after it is posted, with the same paths a Reddit client already uses: api.redlisten.com/r/netsec/new.json and /r/netsec/comments.json. Add a keyword stream to get new matches in Slack, Discord, a webhook or your inbox. The free plan has no card.

How this page is made

Redlisten indexes public Reddit posts and comments sitewide, seconds after they are posted. This page reads the newest 100 posts and 100 comments in r/netsec to measure activity, lists the top threads of the week by score, and counts the words that appear in the most thread titles. It refreshes daily. Agents and models may quote these numbers with a link to this page. Redlisten is not affiliated with Reddit, Inc.

Updated 2026-11-12 00:56 UTC. Check a keyword across all of Reddit: