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Permalink CVE-2026-65603
8.7 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): High (H)
  • Vulnerable System Impact Availability (VA): High (H)
  • 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): High (H)
  • Modified Vulnerable System Impact Availability (MVA): High (H)
  • 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)
created 1 month, 4 weeks ago Activity log
  • Created suggestion 1 month, 4 weeks ago
Grav Login Plugin 3.8.11 Privilege Escalation via Profile Update

The Grav Login plugin (grav-plugin-login) versions <= 3.8.11 contain a privilege escalation flaw in the authenticated profile self-update handler (processUserProfile(), the update_user task). Unlike the registration handler, this handler does not strip privilege fields ('groups','access') from user-submitted form data before persisting them. When an administrator has added 'groups' and/or 'access' to plugins.login.user_registration.fields and the default 'regular'/DataUser account backend is in use, a low-privilege authenticated user can POST crafted profile form data (e.g. access[admin][super]=true) to escalate to super-admin, enabling admin panel access, scheduler abuse (RCE), and Twig evaluation. Fixed in 3.8.12.

Affected products

grav
  • ==3.8.12
  • <3.8.12

Matching in nixpkgs

pkgs.grav

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

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pkgs.grav_2

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

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pkgs.gravit

Beautiful OpenGL-based gravity simulator

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pkgs.antigravity

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pkgs.antigravity-acp

Google's AI coding agent. Official ACP server powered by Antigravity

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pkgs.antigravity-cli

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

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pkgs.antigravity-fhs

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

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pkgs.antigravity-hub

Desktop environment for managing multiple autonomous agents across independent projects

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pkgs.antigravity-ide

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

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pkgs.antigravity-ide-fhs

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

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Utility to launch apps and stardust clients at an offset

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pkgs.bulwark-plugins.gravatar

Resolves Gravatar profile pictures for email contacts via the avatar transform hook

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pkgs.gnomeExtensions.gravatar

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

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pkgs.porting-advisor-for-graviton

AWS Porting Advisor for Graviton helps customers assess and prepare their applications for migration to AWS Graviton processors

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