Improper access control in Anki - CVE-2026-59153
Published: July 28, 2026
Vulnerability identifier: #VU139908
CSH Severity: Low
CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-59153
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to trigger side-effecting requests.
The vulnerability exists due to improper access control in the local HTTP server when handling requests from other origins. A remote attacker can host a malicious website to trigger side-effecting requests.
Browser behavior affects exposure because some browsers do not enforce private network access restrictions for localhost requests.
Affected software
Anki
How to mitigate CVE-2026-59153
Install security update from vendor's website.
Anki - update to 25.09.3