Joined September 2017
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Jun 9
📣 ADVISORY: Researcher Trung Nguyen from @CyStackSecurity discovered Zip Slip vulnerability in EMQX MQTT Broker (CVE-2026-44725, High) - enabling arbitrary file write on the system via plugin installation mechanism.
Details: github.com/emqx/emqx/pull/17…
#EMQX #IoT #Vulnerability
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Jun 9
Affected versions include EMQX before 5.8.10 and 5.10.4. Remediation plan include update to versions from 5.8.10, 5.10.4 and up. For more vulnerabilities update found by CyStack, visit cystack.net/disclosures
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Jun 3
📣 ADVISORY: Researcher Trung Nguyen from @CyStackSecurity discovered a Placeholder Expansion Injection vulnerability in Caddy Web Server - bypassing CVE-2026-30852. Patch currently not available
Details: github.com/caddyserver/caddy…
#CyStack #Caddy #CyberSecurity #Vulnerability
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Jun 2
📣 ADVISORY: Trung Nguyen, security expert from CyStack discovered a Path Traversal vulnerability in Notepad (CVSS 7.8) enabling arbitrary code execution without any warning.
Details: cystack.net/vi/disclosures
#CyStack #NotepadPlusPlus #CyberSecurity #Vulnerability #InfoSec
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May 19
A 4th-year HUST student uncovered a critical Stored XSS vulnerability in NukeViet CMS via the @whitehubnet Bug Bounty program by @CyStackSecurity. NukeViet patched it in 1-2 days, shipped in v4.5.08.
Read more 🔗 cystack.net/blog/hust-studen…
#CyStack #BugBounty #CMS #HallofFame
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May 18
📣 ADVISORY: Researcher phucnd from CyStack discovered an Unsafe Deserialization vulnerability in LangChain CVE-2026-44843 (CVSS 8.2). This affected: langchain-core <=0.3.84 / <=1.3.2
Upgrade now.
Details: cystack.net/disclosures
#CyStack #LangChain #AI #Vulnerability #InfoSec
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May 15
📣 SECURITY ADVISORY: Researcher vnth4nhnt from @CyStackSecurity discovered 3 vulnerabilities in ERPNext (Frappe) - CVE-2026-44442, CVE-2026-44446, CVE-2026-44447
Severity: Critical (CVSS 9.9) & High (CVSS 8.8)
Details: cystack.net/disclosures
#CyStack #ERPNext #SQLInjection
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Apr 13
🔓 SECURITY BULLETIN: @CyStackSecurity researcher found CVE-2026-21630 (SQL Injection) and CVE-2026-23899 (Improper Access Control) in Joomla REST API, with medium-to-high severity. Full report: cystack.net/research/securit…
#CyStack #Cybersecurity #InfoSec #Joomla #CVE #Vulnerability
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Feb 4
🚨 BREAKING: New CyStack research reveals stealth malware linked to DragonBreath and the China-based APT group GoldenEye (APT-Q-27). Full report: cystack.net/research/malware…
#CyStack #Cybersecurity #InfoSec #APT #DragonBreath #GoldenEye
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Feb 5
In further context, we actually found concrete evidence found connection to wk[.]goldeyeuu[.]io (185.135.79.200) from our research. For more IOC, check the reports at cystack.net/research/malware…
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29 Jun 2024
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29 Jun 2024
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24 Apr 2024
CyStack khởi chạy chương trình dành cho doanh nghiệp "ĐÁNH GIÁ BẢO MẬT MIỄN PHÍ"
👉 Đăng ký ngay: forms.gle/sq5Y9rhrNVUpeVpq7
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8 Mar 2024
🌺 Happy Women's Day 🌺
At CyStack, we recognize women's invaluable contributions to inspire us all to reach higher, dream bigger, and create a more equitable future.
Here's to a future where every woman and girl can reach her full potential. 💪🌟
#InternationalWomensDay
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5 Mar 2024
On Feb 26, Mr. Trung Nguyen - CEO & Founder CyStack appeared as a guest speaker, along with Mr. Hung Le - CMO of ASIM Group, in the panel talk "The Transforming Power of Artificial Intelligence” organized by Mr. James McGaughran and the British University Vietnam Career Services.
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9 Feb 2024
🥂 Happy Lunar New Year 2024! 🥂
We hope your 2024 will be filled with auspicious moments, meaningful connections, and the realization of cherished aspirations. 🎉🐉
#CyStack #HappyLunarNewYear #YearOfTheDragon
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11 Dec 2023
Vayana, a key player in India's trade finance, partners with CyStack for a robust smart contract audit of Vayana Debt Platform (VDP) to ensure top-notch security.
👉 Project: cystack.net/projects/vayana
👉 About Smart Contract Audit: cystack.net/en/services/smar…
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23 Nov 2023
Details of One Mount's bug bounty program:
✔️Deployment Time: Oct 16, 2023 - Oct 15, 2024
✔️Program Type: Public
✔️Project Scope: OneMount, VinID, VinShop, OneHousing Web & Mobile App
✔️Highest Bounty: 20,000,000 VND/bug
👉 Participate at: whitehub.net/programs/one-mo…
#BugBounty
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23 Nov 2023
Last chance to claim the biggest discount from our top-notch product @lockerpm 🥳🥳 Visit the link for more details 👇
21 Nov 2023
Limited Offer Ending Soon: Grab the Lifetime Premium Package at 82% OFF Now!
Valid until December 31, 2023
🥳 For more information: locker.io/blog/locker-lifeti…
#PasswordManager #BlackFriday #Discount #Deal
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22 Sep 2023
🎉 Today is CyStack's 6th birthday! 🎂
Thank you all for being an important part of this journey. Wishing everyone good health, peace, and luck! 🌟
#CyStack #Happy6thAnniversary #MidAutumnFestival #Cybersecurity
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