GHSA-47CH-6W46-6XM7 Grav: media_directory() Twig function allows filesystem path traversal and file content disclosure from sandboxed page content

Summary The mediadirectory Twig function is allow-listed for use in sandboxed, editor-authored page content system/config/security.yaml. Its implementation, GravExtension::mediaDirFunc, only treats the input as unsafe when it looks like a Grav stream user://, theme://, etc. If the input is instea...

GHSA-3JHR-MXMX-38CX Grav: UserInterface offsetget/offsetexists allow-listed in Twig sandbox let editor-authored content leak hashed_password and 2FA secrets via offsetGet()

Summary system/config/security.yaml's Twig sandbox policy allow-lists offsetget and offsetexists for Grav\Common\User\Interfaces\UserInterface. The concrete Grav\Common\User\DataUser\User class does not filter which fields offsetGet returns, so any sandboxed template with access to a User object...

Grav: UserInterface offsetget/offsetexists allow-listed in Twig sandbox let editor-authored content leak hashed_password and 2FA secrets via offsetGet()

Summary system/config/security.yaml's Twig sandbox policy allow-lists offsetget and offsetexists for Grav\Common\User\Interfaces\UserInterface. The concrete Grav\Common\User\DataUser\User class does not filter which fields offsetGet returns, so any sandboxed template with access to a User object...

CVE-2026-48977

OpenSlide is a C library for reading whole slide image files. Versions 3.4.1 through 4.0.1 are affected by an arbitrary memory write vulnerability in parse_level0_xml() within src/openslide-vendor-ventana.c. A crafted Ventana BIF file can supply nonpositive row or column tile counts, producing at...

CVE-2026-48977 OpenSlide: Arbitrary memory write with crafted Ventana BIF file

OpenSlide is a C library for reading whole slide image files. From 3.4.1 until 4.0.1, OpenSlide's parselevel0xml processing in src/openslide-vendor-ventana.c accepts nonpositive row or column tile counts from a crafted Ventana BIF file. The invalid counts produce attacker-controlled relative memo...

CVE-2026-48977 OpenSlide: Arbitrary memory write with crafted Ventana BIF file

OpenSlide is a C library for reading whole slide image files. From 3.4.1 until 4.0.1, OpenSlide's parselevel0xml processing in src/openslide-vendor-ventana.c accepts nonpositive row or column tile counts from a crafted Ventana BIF file. The invalid counts produce attacker-controlled relative memo...

EUVD-2026-82434

OpenSlide is a C library for reading whole slide image files. From 3.4.1 until 4.0.1, OpenSlide's parselevel0xml processing in src/openslide-vendor-ventana.c accepts nonpositive row or column tile counts from a crafted Ventana BIF file. The invalid counts produce attacker-controlled relative memo...

CVE-2026-48977

OpenSlide is a C library for reading whole slide image files. From 3.4.1 until 4.0.1, OpenSlide's parselevel0xml processing in src/openslide-vendor-ventana.c accepts nonpositive row or column tile counts from a crafted Ventana BIF file. The invalid counts produce attacker-controlled relative memo...

CVE-2026-48977 OpenSlide: Arbitrary memory write with crafted Ventana BIF file

OpenSlide is a C library for reading whole slide image files. From 3.4.1 until 4.0.1, OpenSlide's parselevel0xml processing in src/openslide-vendor-ventana.c accepts nonpositive row or column tile counts from a crafted Ventana BIF file. The invalid counts produce attacker-controlled relative memo...

GHSA-P597-CRQC-M349 Grav: The system, site, and theme Twig variables bypass the content sandbox entirely and are never covered by config_denied_paths

Summary Grav\Common\Twig\Twig::init unconditionally puts the raw system, site, and theme config arrays into $this-twigvars. Twig::processPage builds the variables for the sandboxed, editor-authored page-content render by copying that same base array $sandboxvars = $twigvars; and replacing only th...

Grav: The system, site, and theme Twig variables bypass the content sandbox entirely and are never covered by config_denied_paths

Summary Grav\Common\Twig\Twig::init unconditionally puts the raw system, site, and theme config arrays into $this-twigvars. Twig::processPage builds the variables for the sandboxed, editor-authored page-content render by copying that same base array $sandboxvars = $twigvars; and replacing only th...

responsible-disclosure-email-gathering

Responsible Disclosure Email Gathering Purpose You may have found a vulnerability on a host but the said host/org does not have an active program on HackerOne or BugCrowd. If this is the case this workflow is for you! Broadly it will crawl the website and look for any security related emails from...

honeypot

🍯 Honeypot Research Project What is a Honeypot A honeypot is a computer system or network that is intentionally left vulnerable to hackers in order to detect, analyse, and respond to potential security threats. The goal of a honeypot is to gather information about the tactics, techniques, and...

Grav: Origin validation bypass in Uri::referrer() and Pages::referrerRoute() via unanchored prefix match

Summary Grav\Common\Uri::referrer and Grav\Common\Page\Pages::referrerRoute both check whether an incoming request's Referer header "came from our site" using strstartswith$referrer, $base, where $base is the site's own absolute root URL for example https://example.com, no trailing slash. Because...

GHSA-9CCQ-2JFG-QW33 Grav: Origin validation bypass in Uri::referrer() and Pages::referrerRoute() via unanchored prefix match

Summary Grav\Common\Uri::referrer and Grav\Common\Page\Pages::referrerRoute both check whether an incoming request's Referer header "came from our site" using strstartswith$referrer, $base, where $base is the site's own absolute root URL for example https://example.com, no trailing slash. Because...

G2.5_Openssl_V_1_0_1g

OpenSSL 1.0.1g 7 Apr 2014 Copyright c 1998-2011 The OpenSSL Project Copyright c 1995-1998 Eric A. Young, Tim J. Hudson All rights reserved. DESCRIPTION The OpenSSL Project is a collaborative effort to develop a robust, commercial-grade, fully featured, and Open Source toolkit implementing the...

G2.5_Openssl

OpenSSL 1.0.1g 7 Apr 2014 Copyright c 1998-2011 The OpenSSL Project Copyright c 1995-1998 Eric A. Young, Tim J. Hudson All rights reserved. DESCRIPTION The OpenSSL Project is a collaborative effort to develop a robust, commercial-grade, fully featured, and Open Source toolkit implementing the...

Openssl_V.1.1.1g

OpenSSL 1.1.1g 21 Apr 2020 Copyright c 1998-2020 The OpenSSL Project Copyright c 1995-1998 Eric A. Young, Tim J. Hudson All rights reserved. DESCRIPTION The OpenSSL Project is a collaborative effort to develop a robust, commercial-grade, fully featured, and Open Source toolkit implementing the...

openssl_g2.5_v1_0_1g

OpenSSL 1.0.1g 7 Apr 2014 Copyright c 1998-2011 The OpenSSL Project Copyright c 1995-1998 Eric A. Young, Tim J. Hudson All rights reserved. DESCRIPTION The OpenSSL Project is a collaborative effort to develop a robust, commercial-grade, fully featured, and Open Source toolkit implementing the...

CVE-2026-54565 rhwp browser extension performs SSRF / private-network requests and leaks HWP preview data to untrusted pages

rhwp is an HWP viewer and editor implemented in Rust and WebAssembly. Prior to rhwp 0.7.15 and rhwp Chrome and Firefox extension 0.2.4, the browser extensions use an all-URLs host permission to detect HWP and HWPX links on visited pages, but the service workers do not validate message senders, UR...