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CVE-2026-59153— Anki's local HTTP server does not sufficiently validate requests

Quick assessment

Affected
ankitects anki
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Ankitects Anki是Ankitects团队开源的一个Anki的共享后端和web组件,以及Qt前端。 Ankitects Anki 25.09.3之前版本存在输入验证错误漏洞，该漏洞源于对其他来源的请求未充分阻止，可能导致恶意网站触发副作用请求。

AI Predicted 5.3 Difficulty: Easy EPSS 0.26% · P17

Affected Version Matrix 1

VendorProduct Version RangeStatus
ankitects anki < 25.09.3 affected
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I. Basic Information for CVE-2026-59153

Vulnerability Information
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Vulnerability Title
Anki's local HTTP server does not sufficiently validate requests
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
源验证错误
Source: CVE Program / CVE List V5
Vulnerability Title
Ankitects Anki 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Ankitects Anki是Ankitects团队开源的一个Anki的共享后端和web组件,以及Qt前端。 Ankitects Anki 25.09.3之前版本存在输入验证错误漏洞，该漏洞源于对其他来源的请求未充分阻止，可能导致恶意网站触发副作用请求。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
ankitects anki < 25.09.3 -

II. Public POCs for CVE-2026-59153

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III. Intelligence Information for CVE-2026-59153

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Patches & Fixes for CVE-2026-59153 (1)

Vendor Advisories for CVE-2026-59153 (1)

Security Blog Posts for CVE-2026-59153 (1)

Vendor Pages for CVE-2026-59153 (1)

IV. Related Vulnerabilities

Same product: anki
Same vendor: ankitects
Same weakness: CWE-346

V. Comments for CVE-2026-59153

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