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

Q: How do I fix CVE-2026-29787?

mcp-memory-service: upgrade to 10.21.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-29787 being exploited?

CVE-2026-29787 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-2026-29787 affect?

CVE-2026-29787 affects mcp-memory-service. Severity is medium (CVSS 5.3). mcp-memory-service is an open-source memory backend for multi-agent systems. Prior to version 10.21.0, the /api/health/detailed endpoint returns detailed system information including OS version, Python version, CPU count, memory totals, dis

Q: How urgent is CVE-2026-29787?

Priority 37/100. Public exploit reference; Remotely exploitable, no login, no user action

This week

MEDIUM 5.3REMOTEUPGRADE

CVE-2026-29787 is a medium-severity flaw (CVSS 5.3) 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 10.21.0, the /api/health/detailed endpoint returns detailed system information including OS version, Python version, CPU count, memory totals, disk usage, and the full database filesystem path. When MCP_ALLOW_ANONYMOUS_ACCESS=true is set (required for the HTTP server to function without OAuth/API key), this endpoint is accessible without authentication.

Why this priority

Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 68%)
CISA exploited list	No
Weakness	CWE-200
Published	2026-03-07
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

2026-03-07 16:15 UTCPublished CVE record published
2026-06-17 10:29 UTCUpdated Record last modified

doobidoo mcp-memory-service UPGRADE

Affected: < 10.21.0

Fixed in: 10.21.0

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 10.21.0 (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-2026-29787?

mcp-memory-service: upgrade to 10.21.0. Exact commands for each OS are on this page.

Is CVE-2026-29787 being exploited?

CVE-2026-29787 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-2026-29787 affect?

CVE-2026-29787 affects mcp-memory-service. Severity is medium (CVSS 5.3). mcp-memory-service is an open-source memory backend for multi-agent systems. Prior to version 10.21.0, the /api/health/detailed endpoint returns detailed system information including OS version, Python version, CPU count, memory totals, dis

How urgent is CVE-2026-29787?

Priority 37/100. Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Python vulnerabilities

Related CVEs

CVE-2026-33010 HIGH 8.1 UPGRADE mcp-memory-service is an open-source memory backend for multi-agent systems

References

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