Advisory

Security Advisories

Original vulnerability research from the Payatu team, responsibly disclosed across mobile, web, connected devices, AI/ML products, hardware, firmware, and alot more.

100+

CVEs Disclosed

240+

Blogs & Write-ups

200+

Talks & Trainings

15+

Years of Research and Engagements
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Code Injection in pytorch-lightning prior to 1.6.0

Code Execution in the context of the program can be achieved in pytorch-lightning prior to v1.6.0 It is possible to execute OS commands or snippets of python code in the context of the program by…
Developer Tools & Libraries
Remote Code Execution
CWE-94
2022-10-05
High
IoT text with radio waves icon, symbolizing Internet of Things technology.
Dark gray arrow pointing to the right on a transparent background.Dark gray arrow pointing to the right on a transparent background.
Black triangular area covering the bottom left corner extending diagonally to the top right edge on a white background.

Lack of Bluetooth LE pairing and access control in Fastrack reflex 2.0 activity tracker

Lack of Bluetooth LE pairing and access control Time, date, and month on the smartwatch It was identified on analyzing the Bluetooth LE Characteristics of the device that, on handle 0x0017 the value…
IoT & Hardware
Hardware / Firmware Exposure
Authentication & Access Bypass
2022-10-05
Medium
IoT text with radio waves icon, symbolizing Internet of Things technology.
Dark gray arrow pointing to the right on a transparent background.Dark gray arrow pointing to the right on a transparent background.
Black triangular area covering the bottom left corner extending diagonally to the top right edge on a white background.

Unauthenticated Firmware Update in Fastrack Reflex 2.0 Activity Tracker

Unauthenticated Firmware Update It was identified on analyzing the Bluetooth LE Characteristics of the device that it is using Nordic DFU 0.1 and has no signature verification for OTA Firmware…
IoT & Hardware
Hardware / Firmware Exposure
2022-10-04
High
IoT text with radio waves icon, symbolizing Internet of Things technology.
Dark gray arrow pointing to the right on a transparent background.Dark gray arrow pointing to the right on a transparent background.
Black triangular area covering the bottom left corner extending diagonally to the top right edge on a white background.

Denial of service (Device Crashing) on Fastrack reflex 2.0 activity tracker

Fuzzing characteristic value leads to Device crash It was identified Fuzzing char value last 3 bytes of the watch was getting crashed after 5 minutes it restarts, Bluetooth doesn’t work and doesn’t…
IoT & Hardware
Denial of Service
2022-10-04
High
IoT text with radio waves icon, symbolizing Internet of Things technology.
Dark gray arrow pointing to the right on a transparent background.Dark gray arrow pointing to the right on a transparent background.
Black triangular area covering the bottom left corner extending diagonally to the top right edge on a white background.

Open Serial debug port Allows Dumping, and re-flashing Firmware in Fastrack reflex 2.0 activity tracker

Open Serial debug port Allows Dumping, and re- flashing Firmware It was identified in analyzing the PCB, that the SWD (Serial Wire Debug) the port was open and it gives access to the dumping and…
IoT & Hardware
Hardware / Firmware Exposure
2022-10-04
High
IoT text with radio waves icon, symbolizing Internet of Things technology.
Dark gray arrow pointing to the right on a transparent background.Dark gray arrow pointing to the right on a transparent background.
Black triangular area covering the bottom left corner extending diagonally to the top right edge on a white background.

DoS in aedes MQTT broker

DoS on aedes broker because of incorrect error handling A specifically crafted payload which has published header and message length as 0 is sent to the server which crashes the server because of the…
IoT & Hardware
Denial of Service
CWE-755
2022-10-03
High
IoT text with radio waves icon, symbolizing Internet of Things technology.
Dark gray arrow pointing to the right on a transparent background.Dark gray arrow pointing to the right on a transparent background.
Black triangular area covering the bottom left corner extending diagonally to the top right edge on a white background.

Safari Login AutoFill

Safari Login AutoFill A malicious attacker may cause Safari to suggest a password for the wrong domain
Browser
Spoofing
CWE-346
2022-10-03
High
IoT text with radio waves icon, symbolizing Internet of Things technology.
Dark gray arrow pointing to the right on a transparent background.Dark gray arrow pointing to the right on a transparent background.
Black triangular area covering the bottom left corner extending diagonally to the top right edge on a white background.

Safari reader download permission bypass

Safari reader download permission bypass A malicious attacker may be able to change the origin of a frame for a download in Safari Reader mode
Browser
Authentication & Access Bypass
2022-10-03
Low
IoT text with radio waves icon, symbolizing Internet of Things technology.
Dark gray arrow pointing to the right on a transparent background.Dark gray arrow pointing to the right on a transparent background.
Black triangular area covering the bottom left corner extending diagonally to the top right edge on a white background.

Safari reader same origin policy (SOP) bypass

Safari reader same origin policy (SOP) bypass An issue in Safari Reader mode may allow a remote attacker to bypass the Same Origin Policy
Browser
Authentication & Access Bypass
2022-10-03
High
IoT text with radio waves icon, symbolizing Internet of Things technology.
Dark gray arrow pointing to the right on a transparent background.Dark gray arrow pointing to the right on a transparent background.
Black triangular area covering the bottom left corner extending diagonally to the top right edge on a white background.
Medium

Cross Site Scripting (XSS) vulnerability in username field in chatbox functionality in ChatEngine 1.0

Web / CMS
Cross-Site Scripting (XSS)
CWE-79
CWE-79
July 5, 2023
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CVE-2023-30326
CWE-79
2023-07-05
High

SQL Injection vulnerability in textMessage field in ChatEngine 1.0

Web / CMS
SQL / NoSQL Injection
CWE-89
CWE-89
July 5, 2023
Dark gray arrow pointing to the right on a transparent background.Dark gray arrow pointing to the right on a transparent background.
CVE-2023-30325
CWE-89
2023-07-05
High

SQL Injection in chatWindow functionality in ChatEngine 1.0

Web / CMS
SQL / NoSQL Injection
CWE-89
CWE-89
July 5, 2023
Dark gray arrow pointing to the right on a transparent background.Dark gray arrow pointing to the right on a transparent background.
CVE-2023-30323
CWE-89
2023-07-05
Medium

Cross Site Scripting (XSS) in username field in chatWindow functionality in ChatEngine 1.0

Web / CMS
Cross-Site Scripting (XSS)
CWE-79
CWE-79
July 5, 2023
Dark gray arrow pointing to the right on a transparent background.Dark gray arrow pointing to the right on a transparent background.
CVE-2023-30322
CWE-79
2023-07-05
Critical

Cross Site Scripting (XSS) textMessage field in Login functionality in ChatEngine 1.0

Web / CMS
Cross-Site Scripting (XSS)
CWE-79
CWE-79
July 3, 2023
Dark gray arrow pointing to the right on a transparent background.Dark gray arrow pointing to the right on a transparent background.
CVE-2023-30321
CWE-79
2023-07-03
Critical

Cross Site Scripting (XSS) in textMessage field in ChatEngine 1.0

Web / CMS
Cross-Site Scripting (XSS)
CWE-79
CWE-79
July 3, 2023
Dark gray arrow pointing to the right on a transparent background.Dark gray arrow pointing to the right on a transparent background.
CVE-2023-30320
CWE-79
2023-07-03
Critical

Cross Site Scripting (XSS) in username field in ChatEngine 1.0

Web / CMS
Cross-Site Scripting (XSS)
CWE-79
CWE-79
July 3, 2023
Dark gray arrow pointing to the right on a transparent background.Dark gray arrow pointing to the right on a transparent background.
CVE-2023-30319
CWE-79
2023-07-03
Medium

Upload Resume <= 1.2.0 - Captcha Bypass

Web / CMS
Authentication & Access Bypass
CWE-639
CWE-639
June 19, 2023
Dark gray arrow pointing to the right on a transparent background.Dark gray arrow pointing to the right on a transparent background.
CVE-2023-2751
CWE-639
2023-06-19
Medium

Stagtools < 2.3.7 - Contributor+ Stored XSS

Web / CMS
Cross-Site Scripting (XSS)
CWE-79
CWE-79
June 19, 2023
Dark gray arrow pointing to the right on a transparent background.Dark gray arrow pointing to the right on a transparent background.
CVE-2023-0891
CWE-79
2023-06-19
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Application Security
How a Double-Encoded Null Byte Turns a ZIP File into an XSS Vector – CVE-2026-2790
April 24, 2026
10 min
Application Security
Security leaders
Researchers
For Security Leaders
Browser Security
Security Operations Center (SOC)
The Chrome Extension That Stole the CEO’s Cookies: A Confession on AI, Trust, and Supply Chain Security
May 8, 2026
10 min
Browser Security
Security Operations Center (SOC)
Researchers
Security leaders
For Security Leaders
IoT & hardware
Exploit dev & reverse engineering
Binwalk Path Traversal Vulnerability: Turning Firmware Analysis into Code Execution
June 10, 2026
8 min
IoT & hardware
Exploit dev & reverse engineering
Security leaders
Researchers
For Security Leaders
Research & disclosures