# CVE-2026-64677: Anki's local HTTP server is vulnerable to directory traversal attacks

CVE-2026-64677 has no fix on record yet for 1 affected product. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-64677
- Priority: Routine
- CVSS: 5.9
- EPSS: 0.0102
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 6, 2026
- Weakness: CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-64677

## Description

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.

## Where it's fixed

No fix is on record.

## No fix yet

| Platform | Product | Status |
|---|---|---|
| Windows apps | Anki | no-fix |

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Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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