Invoke-PSImage

Invoke-PSImage Encodes a PowerShell script in the pixels of a PNG file and generates a oneliner to execute Invoke-PSImage takes a PowerShell script and encodes the bytes of the script into the pixels of a PNG image. It generates a oneliner for executing either from a file of from the web. It can...

GG-AESY

Blogpost: https://redteamer.tips/introducing-gg-aesy-a-stegocryptor/ WARNING: you might need to restore NuGet packages and restart visual studio before compiling. If anyone knows how I can get rid of this problem, DM me. Manual To start off, I highly recommend to always use GG-AESY using verbose...

steghide

This repository is read-only. A GitHub org,StegHigh has been set up to maintain steghide. Please submit all PRs, discussions, and issues there. Additionally,StegHigh/steghide is looking for maintainters. Please contribute! Introduction : Steghide is a steganography program that is able to hide da...

stegify

stegify Overview stegify is a simple command line tool capable of fully transparent hiding any file within an image or set of images. This technique is known as LSB Least Significant Bit steganography Demonstration Carrier| Data| Result ---|---|--- | | The Result file contains the Data file hidde...

steganography

Image Steganography Tool Simple C++ Encryption and Steganography tool that uses Password-Protected-Encryption to secure a file's contents, and then proceeds to embed it insde an image's pixel-data using Least-Significant-Bit encoding. For Linux, MacOS, and Windows systems. Encoding $...

GHSA-4Q39-2JHR-7QX8 Plate: SSRF with response disclosure in DOCX image embedding

Summary @platejs/docx-io can fetch remote image URLs while converting HTML to DOCX. When an application converts attacker-controlled HTML in a server-side or privileged environment, this can cause the application environment to make unintended outbound requests and include fetched image data in t...

CVE-2026-61632 PyMdown Extensions: Path traversal in the b64 extension lets <img src> read files outside base_path

PyMdown Extensions is a set of extensions for the Python-Markdown markdown project. In versions up to and including 10.21.3, the b64 extension is vulnerable to a path traversal that discloses arbitrary files: it inlines images referenced by by joining the src onto the configured basepath with...

PYSEC-2026-3609 PyMdown Extensions: Path traversal in the b64 extension lets <img src> read files outside base_path

Summary The b64 extension inlines images referenced by as base64 data URIs. When resolving the src path it joins it onto the configured basepath with os.path.normpath and opens the result directly, with no check that the resolved path stays inside basepath. A src containing ../ sequences, or an...

GHSA-CX96-42PX-69FM Dompdf: Local file read due to improper file path validation in SVG images encoded as data-URI

Description: An attacker, who controls the HTML input supplied to dompdf, can read arbitrary images from the server’s file system, bypassing the chroot restriction. The vulnerability is exploitable in the default configuration. Exploitation conditions: An external user Researcher: Nikita Sveshnik...

EUVD-2026-36725

Mattermost Desktop App versions =6.1 5.5.13.0 fail to restrict the allow list of domains to which NTLM credentials were forwarded to in the Mattermost Desktop App which allows any user on a server without the image proxy enabled to intercept other users credentials via embedding an image that...

CVE-2026-6517 Mattermost Desktop App fails to restrict the allow list of domains which NTLM credentials are passed

Mattermost Desktop App versions =6.1 5.5.13.0 fail to restrict the allow list of domains to which NTLM credentials were forwarded to in the Mattermost Desktop App which allows any user on a server without the image proxy enabled to intercept other users credentials via embedding an image that...

Jenkins Email Extension Plugin security vulnerability

The Jenkins Email Extension Plugin is an open-source extension for Jenkins that handles email notifications and build messages. The Jenkins Email Extension Plugin versions 1933.v45cec755423f and earlier contain security vulnerabilities. These vulnerabilities stem from allowing base64-encoded imag...

OESA-2026-2215 python-nbconvert security update

The nbconvert tool, jupyter nbconvert, converts notebooks to various other formats via Jinja templates. The nbconvert tool allows you to convert an .ipynb notebook file into various static formats including HTML, LaTeX, PDF, Reveal JS, Markdown md, ReStructured Text rst and executable script...

OESA-2026-2195 python-nbconvert security update

The nbconvert tool, jupyter nbconvert, converts notebooks to various other formats via Jinja templates. The nbconvert tool allows you to convert an .ipynb notebook file into various static formats including HTML, LaTeX, PDF, Reveal JS, Markdown md, ReStructured Text rst and executable script...

EUVD-2026-24025

nbconvert has an Arbitrary File Read via Path Traversal in HTMLExporter Image Embedding...

GHSA-7JQV-FW35-GMX9 nbconvert has an Arbitrary File Read via Path Traversal in HTMLExporter Image Embedding

Summary When HTMLExporter.embedimages=True, nbconvert's markdown renderer allows arbitrary file read via path traversal in image references. A malicious notebook can exfiltrate sensitive files from the conversion host by embedding them as base64 data URIs in the output HTML. Patches Upgrade to...

PYSEC-2026-2230

The nbconvert tool, jupyter nbconvert, converts Jupyter notebooks to various other formats via Jinja templates. In versions 6.5 through 7.17.0, when HTMLExporter.embedimages=True, nbconvert's markdown renderer allows arbitrary file read via path traversal in image references. A malicious notebook...

CVE-2026-39378 nbconvert has an Arbitrary File Read via Path Traversal in HTMLExporter Image Embedding

The nbconvert tool, jupyter nbconvert, converts Jupyter notebooks to various other formats via Jinja templates. In versions 6.5 through 7.17.0, when HTMLExporter.embedimages=True, nbconvert's markdown renderer allows arbitrary file read via path traversal in image references. A malicious notebook...

CVE-2026-39378 nbconvert has an Arbitrary File Read via Path Traversal in HTMLExporter Image Embedding

The nbconvert tool, jupyter nbconvert, converts Jupyter notebooks to various other formats via Jinja templates. In versions 6.5 through 7.17.0, when HTMLExporter.embedimages=True, nbconvert's markdown renderer allows arbitrary file read via path traversal in image references. A malicious notebook...

CVE-2026-39378

The nbconvert tool, jupyter nbconvert, converts Jupyter notebooks to various other formats via Jinja templates. In versions 6.5 through 7.17.0, when HTMLExporter.embedimages=True, nbconvert's markdown renderer allows arbitrary file read via path traversal in image references. A malicious notebook...