CVE-2026-33010

Description

mcp-memory-service is an open-source memory backend for multi-agent systems. Prior to version 10.25.1, when the HTTP server is enabled (MCP_HTTP_ENABLED=true), the application configures FastAPIs CORSMiddleware with allow_origins=[*], allow_credentials=True, allow_methods=[*], and allow_headers=[*]. The wildcard Access-Control-Allow-Origin: * header permits any website to read API responses cross-origin. When combined with anonymous access (MCP_ALLOW_ANONYMOUS_ACCESS=true) - the simplest way to get the HTTP dashboard working without OAuth - no credentials are needed, so any malicious website can silently read, modify, and delete all stored memories. This issue has been patched in version 10.25.1.

Risk Information

Base Score

8.1

MODERATE

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

EPSS Score

Exploitation Probability

0.032

Associated Vulnerability

Vulnerability	OS Platform
Vulnerabilities CVE-2026-33010 are fixed in Python-mcp-memory-service 10.25.1	Windows
Vulnerabilities CVE-2026-33010 are fixed in Python-mcp-memory-service for linux 10.25.1	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234