CVE-2026-33010: mcp-memory-service is an open-source memory backend for multi-agent systems

Q: How do I fix CVE-2026-33010?

mcp-memory-service: upgrade to 10.25.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-33010 being exploited?

CVE-2026-33010 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-33010 affect?

CVE-2026-33010 affects mcp-memory-service. Severity is high (CVSS 8.1). 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 FastAPI's CORSMiddleware with allow_origins=['*'], al

Q: How urgent is CVE-2026-33010?

Priority 42/100. High severity; Public exploit reference

This month

HIGH 8.1UPGRADE

CVE-2026-33010 is a high-severity flaw (CVSS 8.1) affecting mcp-memory-service. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 FastAPI's 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

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 67%)
CISA exploited list	No
Weakness	CWE-942
Published	2026-03-20
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: doobidoo

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-20 19:16 UTCPublished CVE record published
2026-06-17 10:36 UTCUpdated Record last modified

doobidoo mcp-memory-service UPGRADE

Affected: < 10.25.1

Fixed in: 10.25.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy mcp-memory-service || rpm -q mcp-memory-service || mcp-memory-service --version

2. UPGRADE to 10.25.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mcp-memory-service

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mcp-memory-service

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-33010?

mcp-memory-service: upgrade to 10.25.1. Exact commands for each OS are on this page.

Is CVE-2026-33010 being exploited?

CVE-2026-33010 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-33010 affect?

CVE-2026-33010 affects mcp-memory-service. Severity is high (CVSS 8.1). 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 FastAPI's CORSMiddleware with allow_origins=['*'], al

How urgent is CVE-2026-33010?

Priority 42/100. High severity; Public exploit reference

Software pages

FastAPI vulnerabilities

Related CVEs

CVE-2026-29787 MEDIUM 5.3 UPGRADE mcp-memory-service is an open-source memory backend for multi-agent systems

References

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