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Permalink CVE-2026-64677
5.9 MEDIUM
  • CVSS version (CVSS): 4.0
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): Low (L)
  • Attack Requirement (AT): Present (P)
  • Privileges Required (PR): None (N)
  • User Interaction (UI): Active (A)
  • 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): Present (P)
  • Modified Privileges Required (MPR): None (N)
  • Modified User Interaction (MUI): Active (A)
  • 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)
created 1 month, 2 weeks ago Activity log
  • Created suggestion 1 month, 2 weeks ago
Anki's local HTTP server is vulnerable to directory traversal attacks

Anki is a program for creating and reviewing flashcards. Prior to 25.09.3, endpoints in Anki's local HTTP server do not adequately constrain requested media and built-in data paths, allowing scripts served from shared decks, or malicious websites combined with an origin-check bypass, to read local files through directory traversal. This issue is fixed in version 25.09.3.

Affected products

anki
  • ==>= 25.09.3

Matching in nixpkgs

pkgs.anki

Spaced repetition flashcard program

  • nixos-unstable -
    • nixos-unstable-small 26.08
  • nixos-26.05 -

pkgs.anki-bin

Spaced repetition flashcard program

  • nixos-unstable -
    • nixos-unstable-small 26.05
  • nixos-26.05 -

pkgs.anki-sync-server

Standalone official anki sync server

  • nixos-unstable -
    • nixos-unstable-small 26.08
  • nixos-26.05 -

pkgs.ankiAddons.recolor

ReColor your Anki desktop to whatever aesthetic you like

  • nixos-unstable -
    • nixos-unstable-small 3.3
  • nixos-26.05 -
    • nixos-26.05-small 3.3

pkgs.markdown-anki-decks

Tool to convert Markdown files into Anki Decks

  • nixos-unstable -
    • nixos-unstable-small 1.1.1
  • nixos-26.05 -
    • nixos-26.05-small 1.1.1

pkgs.ankiAddons.anki-connect

Enable external applications such as Yomichan to communicate with Anki over a simple HTTP API

  • nixos-unstable -
  • nixos-26.05 -

Package maintainers