Normal view
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/r/netsec - Information Security News & Discussion
- The PHP Foundation: Today's PHP Security Release, and How We're Strengthening PHP Security
Gallery of PHP maintenance pages from today
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/r/netsec - Information Security News & Discussion
- PHP2Shell (CVE-2026-109618/109619): first exploit requests arrived 5.5 hours before PHP shipped the fix, and the "scanners" carry Mirai-style loaders
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/r/netsec - Information Security News & Discussion
- PHP patches for critical PHP2Shell vulnerabilities
PHP patches for critical PHP2Shell vulnerabilities
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/r/netsec - Information Security News & Discussion
- Reversing a DPRK-linked toolkit that backdoors VS Code, Cursor, Discord and npm, with an Ethereum dead-drop C2 and a DEV#POPPER variant
PHP rce CVE-2026-109618
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/r/netsec - Information Security News & Discussion
- France had more Internet-exposed Danfoss refrigeration dashboards than the rest of the world combined before the supermarket attacks (weekly IPv4 scan data)
France had more Internet-exposed Danfoss refrigeration dashboards than the rest of the world combined before the supermarket attacks (weekly IPv4 scan data)
I work at IPinfo, which runs a weekly scan of the IPv4 Internet. Short version of what we found:
- October 6β7 scan, five days before the attack: 2,528 addresses serving a Danfoss StoreView dashboard in 73 countries and territories. France had 1,331 (53%).
- 85% of the French ones ran software with known flaws, including 527 end-of-life AK-SM 800 units. Only 195 had every fix. Elsewhere it was 84%, so France had more of them online, not worse patching.
- 1,019 of the French addresses were already open on March 30.
- October 14 scan: 316 still online in France (β76%, against a normal 3β7% weekly loss). Fully patched units dropped too (195 β 54), which points to disconnection rather than patching.
Method: the newer UI is matched on page title, the older AK-SM 800 on its web server plus the Flash loader page, and firmware generation comes from the build date the dashboard exposes. Counts are addresses on the ports we scan, so theyβre a floor. How the attackers got in is still unknown, and exposure isnβt proof of the entry point.
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/r/netsec - Information Security News & Discussion
- CVE-2026-46633: Proving exploitability of Twig sandbox bypass
CVE-2026-46633: Proving exploitability of Twig sandbox bypass
I continued researching sandbox bypasses discovered in Twig by project Glasswing. This time, I focused on CVE-2026-46633, which still had no public exploits. This writeup documents my development of payloads for the CVE-2026-46633 and the corresponding SSTImap modules.
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The OffiDocs Browser Extension Campaign
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/r/netsec - Information Security News & Discussion
- Free real-time Certificate Transparency stream, no API key
Free real-time Certificate Transparency stream, no API key
I put up a free public CertStream endpoint for anyone monitoring phishing or lookalike domains
wss://api.certstream.dev/
No API key or signup needed, just connect over WebSocket
Python example: https://certstream.dev/free-certstream-api.html
Open source: https://github.com/reloading01/certstream-server-rust
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All vulnerabilities are now race conditions
How I got over 300 Tor exit nodes removed
Author here :)
TLDR: on Oct 2, 333 exits (~10% of Tor exits) started redirecting port 22 to 12 interception servers running a paramiko-based MITM that stole passwords and tried to drop Ebury on the target.
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/r/netsec - Information Security News & Discussion
- CVE-2026-106173 Deep-Dive: Fortinet FortiSIEM gRPC Path Traversal File Write to RCE
CVE-2026-106173 Deep-Dive: Fortinet FortiSIEM gRPC Path Traversal File Write to RCE
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/r/netsec - Information Security News & Discussion
- Prompt injection, XSS and SIEM-exfil payloads living in reverse DNS, plus 28 fake Googlebots that passed FCrDNS
Prompt injection, XSS and SIEM-exfil payloads living in reverse DNS, plus 28 fake Googlebots that passed FCrDNS
- Google's own nameserver vouched for Russian IPs as Googlebot.
- One PTR addresses AI agents directly, and it passes forward confirmation.
- The exfil payload dodges filters for spaces, parentheses and quotes, and phones home to an IP written as one decimal number.
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/r/netsec - Information Security News & Discussion
- How practical is 100k requests per second? Introducing h3fuzz
How practical is 100k requests per second? Introducing h3fuzz
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/r/netsec - Information Security News & Discussion
- Unauthenticated SQL injection in GLPI (β€ 11.0.8)
Unauthenticated SQL injection in GLPI (β€ 11.0.8)
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/r/netsec - Information Security News & Discussion
- An attack that corrupts a LLM model about one specific fact - no file changes, no process, no network. Nothing to scan, and you can still detect.
An attack that corrupts a LLM model about one specific fact - no file changes, no process, no network. Nothing to scan, and you can still detect.
Think about what a model does: it answers questions correctly, you trust it, you wire it into things. Now imagine itβs correct about everything except one topic you care about, and itβs wrong about that on purpose. A dosage. A legal fact. A person. A βis this config safe to deploy.β The other 99.9% is pristine, so nobody looks twice.
The attack that does this doesnβt touch disk. The checkpoint hash is identical before and after. No new process, no child, no socket, no extra ioctl or mmap. It arrives through a dependency you already trust and does its work in GPU memory, inside the same process everyoneβs fine with. Every control built to watch process behavior sees a model doing model things, because that is literally all that happened on the parts those controls can see.
This is the class of attack your entire stack is blind to, and itβs not theoretical - the delivery mechanism is the same supply-chain path thatβs already been used in real PyPI compromises this year. We reproduce it end to end and then show where it does leave a fingerprint, in a place almost nobody is looking.
Write-up with the actual attack and the detection is in the link.
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/r/netsec - Information Security News & Discussion
- CVE-2026-108097 Deep Dive: Turning a Drupal Field UI Callback Into RCE
CVE-2026-108097 Deep Dive: Turning a Drupal Field UI Callback Into RCE
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/r/netsec - Information Security News & Discussion
- PhantomBuffer: Effective EDR Evasion Through Stealth Injection
PhantomBuffer: Effective EDR Evasion Through Stealth Injection
PhantomBuffer EDR evasion uses stealth injection via SendMessage with WM_SETTEXT to effective bypass EDR (Endpoint Detection and Response).
Unlike traditional edr bypass techniques, it does not use the VirtualAllocEx and WriteProcessMemory APIs.
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