CVE-2026-59153

Anki's local HTTP server does not sufficiently validate requests

CVE-2026-59153 has no fix on record yet for 1 affected product. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

2.1

No vendor severity

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0026

18th percentile

Anki is a program for creating and reviewing flashcards. Prior to 25.09.3, Anki launches a local HTTP server to serve media files and web pages for parts of its interface, but requests from other origins were not sufficiently blocked. A malicious website could potentially trigger side-effecting requests to the local server, with severity varying by browser depending on Private Network Access protections. This issue is fixed in version 25.09.3.

Where it's fixed

Product	Fixed in	Fix	Released
No fix yet
Anki (Windows apps)	No fix yet	no-fix	n/a

Details

Published
July 7, 2026
Weakness
CWE-346: Origin Validation Error
Vendor advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-59153

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