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OnaEiuspkz

Practical software developer building side projects and sharing hands‑on technical notes with the developer community.

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mDNS: 4,669,414 answers on port 5353, and a broadcast that names every device

mDNS: 4,669,414 answers on port 5353, and a broadcast that names every device

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4 min read

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The Mail and Collaboration Edge Still Answers on Its Own Ports

The Mail and Collaboration Edge Still Answers on Its Own Ports

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3 min read
VMmanager control planes share port 443 with the sites they manage

VMmanager control planes share port 443 with the sites they manage

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3 min read
CVE-2026-15176: The alias Rewrite Overflow That Survived Since 2005

CVE-2026-15176: The alias Rewrite Overflow That Survived Since 2005

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3 min read
Remote Access by Default: Auditing the Plex Port Forwards That Made Plex2Shell Exploitable

Remote Access by Default: Auditing the Plex Port Forwards That Made Plex2Shell Exploitable

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4 min read
1,537 titles and 14 fingerprints: UVDesk exposure, and the 9.3 behind it

1,537 titles and 14 fingerprints: UVDesk exposure, and the 9.3 behind it

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4 min read
CVE-2026-111497: how a Brotli block-switch error became a Node.js memory write

CVE-2026-111497: how a Brotli block-switch error became a Node.js memory write

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4 min read
The Codecs directory: why CVE-2026-96656 turns a transcoder preference into code execution

The Codecs directory: why CVE-2026-96656 turns a transcoder preference into code execution

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4 min read
Wavlink returns 3,502 fingerprint matches, 73 title matches, and zero hosts that carry both

Wavlink returns 3,502 fingerprint matches, 73 title matches, and zero hosts that carry both

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4 min read
Four ways to overflow NSD: anatomy of the CVE-2026-101338 batch

Four ways to overflow NSD: anatomy of the CVE-2026-101338 batch

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4 min read
Who Owns the Appliance Nobody Inventoried: Governance Gaps Behind CVE-2026-102764

Who Owns the Appliance Nobody Inventoried: Governance Gaps Behind CVE-2026-102764

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3 min read
Local Attack Vector, Real Risk: Threat Modelling CVE-2026-106931

Local Attack Vector, Real Risk: Threat Modelling CVE-2026-106931

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3 min read
Why the Junos October 2026 Flaws Matter Even Without a CISA KEV Entry

Why the Junos October 2026 Flaws Matter Even Without a CISA KEV Entry

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4 min read
Synapse: 33,077 title matches, 14,449 fingerprint matches, and 14,111 answers on the listener its reverse-proxy guide assumes

Synapse: 33,077 title matches, 14,449 fingerprint matches, and 14,111 answers on the listener its reverse-proxy guide assumes

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4 min read
JasperReports: 664 page titles against 27,652 body matches, and the reports behind both numbers

JasperReports: 664 page titles against 27,652 body matches, and the reports behind both numbers

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3 min read
journald keeps its logs in a directory with a size cap, and Storage=auto decides whether they survive a reboot

journald keeps its logs in a directory with a size cap, and Storage=auto decides whether they survive a reboot

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3 min read
XenServer answers 31,843 and Citrix Hypervisor answers zero: one product, two names, one broken query

XenServer answers 31,843 and Citrix Hypervisor answers zero: one product, two names, one broken query

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4 min read
For Magento 2.4.4 to 2.4.6 stores, BlockStrap leaves a hard upgrade decision

For Magento 2.4.4 to 2.4.6 stores, BlockStrap leaves a hard upgrade decision

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3 min read
PAN-OS CVE-2026-0321: what an unauthenticated dataplane DoS actually breaks

PAN-OS CVE-2026-0321: what an unauthenticated dataplane DoS actually breaks

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3 min read
The Port Split Is the Refrigeration Inventory You Can Act On

The Port Split Is the Refrigeration Inventory You Can Act On

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4 min read
Four BIND 9 flaws, no workarounds: planning for a resolver that cannot fail over

Four BIND 9 flaws, no workarounds: planning for a resolver that cannot fail over

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4 min read
CVE-2026-74041 shows why two parsers on one config file is a security problem

CVE-2026-74041 shows why two parsers on one config file is a security problem

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3 min read
When the Server Is the Attacker: curl CVE-2026-92392 and the Embedded libcurl You Forgot About

When the Server Is the Attacker: curl CVE-2026-92392 and the Embedded libcurl You Forgot About

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4 min read
117,206 Metabase Fingerprints: The Dashboard That Can Query the Warehouse

117,206 Metabase Fingerprints: The Dashboard That Can Query the Warehouse

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3 min read
The First Sign Was Silence: Detecting Edge Devices That Stop Talking

The First Sign Was Silence: Detecting Edge Devices That Stop Talking

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3 min read
Session invalidation is a route problem, not a flag problem

Session invalidation is a route problem, not a flag problem

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5 min read
Apache Superset's Default Session Key: Forging an Admin Cookie on 101,819 Reachable Deployments

Apache Superset's Default Session Key: Forging an Admin Cookie on 101,819 Reachable Deployments

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3 min read
Apache Tika's PDF Parser Followed an XFA Reference Out of the Document

Apache Tika's PDF Parser Followed an XFA Reference Out of the Document

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3 min read
IntentKit validated tool calls against the wrong list

IntentKit validated tool calls against the wrong list

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4 min read
Opencast: 870 application matches and 458 of them on 443

Opencast: 870 application matches and 458 of them on 443

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4 min read
CVE-2026-96655 on a small business network

CVE-2026-96655 on a small business network

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3 min read
FortiOS CVE-2025-61624 is scored 6.0. UNC5820 used it to root firewalls anyway

FortiOS CVE-2025-61624 is scored 6.0. UNC5820 used it to root firewalls anyway

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4 min read
A JWT library that accepts an algorithm it was never configured for

A JWT library that accepts an algorithm it was never configured for

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4 min read
Ranking the Estate: Where BeyondTrust Appliances Cluster and Why It Changes Triage

Ranking the Estate: Where BeyondTrust Appliances Cluster and Why It Changes Triage

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4 min read
What to fix first for CVE-2026-114625: a practical sequence for VeloCloud Orchestrator owners

What to fix first for CVE-2026-114625: a practical sequence for VeloCloud Orchestrator owners

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3 min read
Two days between warning and patch: how the PHP project handled CVE-2026-109618

Two days between warning and patch: how the PHP project handled CVE-2026-109618

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3 min read
CVE-2026-114625: A Read-Only Login Is Enough to Own Arista VeloCloud Orchestrator

CVE-2026-114625: A Read-Only Login Is Enough to Own Arista VeloCloud Orchestrator

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3 min read
WebLogic on the internet: the T3 problem that a port count will not solve

WebLogic on the internet: the T3 problem that a port count will not solve

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3 min read
Quivr: 274 Fingerprints, 266 Titles, and a Retrieval Layer That Holds Both Keys and Knowledge

Quivr: 274 Fingerprints, 266 Titles, and a Retrieval Layer That Holds Both Keys and Knowledge

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3 min read
5,197 Apache bRPC servers, and the clients a scan will never count

5,197 Apache bRPC servers, and the clients a scan will never count

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4 min read
CVE-2026-107821: A Malformed FRM File in the Data Directory Is Enough

CVE-2026-107821: A Malformed FRM File in the Data Directory Is Enough

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3 min read
If CVE-2026-0313 Is Exploited: A Response Playbook for Cortex OS Query Command Injection

If CVE-2026-0313 Is Exploited: A Response Playbook for Cortex OS Query Command Injection

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3 min read
Detection Signals for CVE-2026-0315: What a Local Privilege Escalation Leaves Behind

Detection Signals for CVE-2026-0315: What a Local Privilege Escalation Leaves Behind

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3 min read
Running Plex at home: what CVE-2026-96652 changes about remote access and account hygiene

Running Plex at home: what CVE-2026-96652 changes about remote access and account hygiene

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2 min read
1,868,360 Confluence Against 91,928 Jira: What a Measured Atlassian Estate Tells You About CVE-2026-21589

1,868,360 Confluence Against 91,928 Jira: What a Measured Atlassian Estate Tells You About CVE-2026-21589

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3 min read
Spotting the OpenVPN flaw patterns in your own code reviews

Spotting the OpenVPN flaw patterns in your own code reviews

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2 min read
Recording Exposure Evidence Before a Claim Arrives

Recording Exposure Evidence Before a Claim Arrives

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2 min read
GRE Without Authentication: The Protocol Decision Behind CVE-2026-33792 Exposure

GRE Without Authentication: The Protocol Decision Behind CVE-2026-33792 Exposure

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3 min read
The Design Debt Behind CVE-2026-102037

The Design Debt Behind CVE-2026-102037

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2 min read
8.15 Million Windows Server Hosts and 163,497 SharePoint Assets: Counting Layers Instead of Products

8.15 Million Windows Server Hosts and 163,497 SharePoint Assets: Counting Layers Instead of Products

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3 min read
CVE-2026-70024: A Checklist for Security Leadership

CVE-2026-70024: A Checklist for Security Leadership

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2 min read
If Customers Set TXT Records, the NSD Parser Bugs Are Your Problem

If Customers Set TXT Records, the NSD Parser Bugs Are Your Problem

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3 min read
Gotenberg converts documents to PDF, and the fingerprint count of 3,030 says little about who can reach it

Gotenberg converts documents to PDF, and the fingerprint count of 3,030 says little about who can reach it

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3 min read
The time server answers control queries: locking down NTP mode 6

The time server answers control queries: locking down NTP mode 6

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4 min read
CVE-2026-76461: SQL Injection in an Email Gateway, Root on the Appliance

CVE-2026-76461: SQL Injection in an Email Gateway, Root on the Appliance

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3 min read
MFA Fatigue and Number Matching: Why the Prompt Is the Control

MFA Fatigue and Number Matching: Why the Prompt Is the Control

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4 min read
Port 9200 and 5,079,738 Matches: The Search Cluster That Indexes Everything

Port 9200 and 5,079,738 Matches: The Search Cluster That Indexes Everything

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2 min read
Drupal Extension Attack Surface: What 35 CVEs in One Advisory Tell You About Plugin Risk

Drupal Extension Attack Surface: What 35 CVEs in One Advisory Tell You About Plugin Risk

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2 min read
From Internet-Reachable to Management VLAN: Closing a Cold-Chain Attack Surface

From Internet-Reachable to Management VLAN: Closing a Cold-Chain Attack Surface

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3 min read
Severity context: why CVE-2026-42528 sits below the 2.4.69 headline flaws

Severity context: why CVE-2026-42528 sits below the 2.4.69 headline flaws

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2 min read
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