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Details of issue NIXPKGS-2026-1977

NIXPKGS-2026-1977
published 15 hours ago
Grav - XML External Entity Injection via SVG Upload
Permalink CVE-2026-56701
7.1 HIGH
  • CVSS version (CVSS): 4.0
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): Low (L)
  • Attack Requirement (AT): None (N)
  • Privileges Required (PR): Low (L)
  • User Interaction (UI): None (N)
  • Vulnerable System Impact Confidentiality (VC): High (H)
  • Vulnerable System Impact Integrity (VI): None (N)
  • Vulnerable System Impact Availability (VA): None (N)
  • Subsequent System Impact Confidentiality (SC): None (N)
  • Subsequent System Impact Integrity (SI): None (N)
  • Subsequent System Impact Availability (SA): None (N)
  • Modified Attack Vector (MAV): Network (N)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Attack Requirement (MAT): None (N)
  • Modified Privileges Required (MPR): Low (L)
  • Modified User Interaction (MUI): None (N)
  • Modified Vulnerable System Impact Confidentiality (MVC): High (H)
  • Modified Vulnerable System Impact Integrity (MVI): None (N)
  • Modified Vulnerable System Impact Availability (MVA): None (N)
  • Modified Subsequent System Impact Confidentiality (MSC): Negligible (N)
  • Modified Subsequent System Impact Integrity (MSI): Negligible (N)
  • Modified Subsequent System Impact Availability (MSA): Negligible (N)
  • Safety (S): Not Defined (X)
  • Automatable (AU): Not Defined (X)
  • Recovery (R): Not Defined (X)
  • Value Density (V): Not Defined (X)
  • Vulnerability Response Effort (RE): Not Defined (X)
  • Provider Urgency (U): Not Defined (X)
  • Confidentiality Req. (CR): Not Defined (X)
  • Integrity Req. (IR): Not Defined (X)
  • Availability Req. (AR): Not Defined (X)
  • Exploit Maturity (E): Not Defined (X)
updated 15 hours ago by @LeSuisse Activity log
  • Created suggestion 1 day, 1 hour ago
  • @LeSuisse ignored
    21 packages
    • gravit
    • antigravity
    • antigravity-cli
    • antigravity-fhs
    • stardust-xr-gravity
    • kdePackages.libgravatar
    • gnomeExtensions.gravatar
    • haskellPackages.gravatar
    • python312Packages.libgravatar
    • python313Packages.libgravatar
    • python314Packages.libgravatar
    • python312Packages.flask-gravatar
    • python313Packages.flask-gravatar
    • python314Packages.flask-gravatar
    • python312Packages.django-gravatar2
    • python313Packages.django-gravatar2
    • python314Packages.django-gravatar2
    • perlPackages.MojoliciousPluginGravatar
    • perl5Packages.MojoliciousPluginGravatar
    • perl538Packages.MojoliciousPluginGravatar
    • perl540Packages.MojoliciousPluginGravatar
    16 hours ago
  • @LeSuisse accepted 16 hours ago
  • @LeSuisse published on GitHub 15 hours ago
Grav - XML External Entity Injection via SVG Upload

Grav before 2.0.0-beta.2 contains an XML external entity injection vulnerability in SVG file upload processing that allows authenticated attackers to read arbitrary files. The application uses simplexml_load_string without disabling external entity loading, enabling attackers to inject XXE payloads via malicious SVG files to exfiltrate sensitive data.

Affected products

Grav
  • ==2.0.0-beta.2
  • <2.0.0-beta.2

Matching in nixpkgs

pkgs.grav

Fast, simple, and flexible, file-based web platform

Ignored packages (21)

pkgs.gravit

Beautiful OpenGL-based gravity simulator

pkgs.antigravity

Agentic development platform, evolving the IDE into the agent-first era

pkgs.antigravity-cli

Google's Go-based terminal user interface (TUI) agent client

  • nixos-unstable -
    • nixpkgs-unstable 1.0.7
    • nixos-unstable-small 1.0.7

pkgs.antigravity-fhs

Wrapped variant of antigravity which launches in a FHS compatible environment, should allow for easy usage of extensions without nix-specific modifications

pkgs.gnomeExtensions.gravatar

Synchronize GNOME Shell user icon with an avatar service, one of Gravatar or Libravatar.

  • nixos-unstable 10
    • nixpkgs-unstable 10
    • nixos-unstable-small 10
  • nixos-26.05 10
    • nixos-26.05-small 10
    • nixpkgs-26.05-darwin 10

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