CVE-2026-61546 AnkiMCP - DNS Rebinding

AnkiMCP before 0.21.0 contains a DNS rebinding vulnerability caused by disabling FastMCP DNS-rebinding protection in mcp_server.py, letting remote attackers via malicious web pages read and modify local Anki data, exploit requires victim to visit a malicious web page while Anki is running.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
DNS Rebinding
Impact
Information Disclosure, Data Tampering
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
28 October 2026
Updated
29 October 2026
Weakness
CWE-346

Vendor fix

Update to version 0.21.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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