CVE-2026-6111: A security flaw has been discovered in FoundationAgents MetaGPT up to 0.8.1

Routine

MEDIUM 6.3DOWNGRADE

CVE-2026-6111 is a medium-severity flaw (CVSS 6.3) affecting metagpt. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A security flaw has been discovered in FoundationAgents MetaGPT up to 0.8.1. This impacts the function decode_image of the file metagpt/utils/common.py. The manipulation of the argument img_url_or_b64 results in server-side request forgery. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responde

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 82%)
CISA exploited list	No
Weakness	CWE-918
Published	2026-04-12
Last modified	2026-10-26

Publisher (CNA): VulDB · Vendor: deepwisdom

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-12 03:16 UTCPublished CVE record published
2026-10-26 22:10 UTCUpdated Record last modified

deepwisdom metagpt DOWNGRADE

Affected: 0.8.0 · 0.8.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.8.0

1. Check installed version

apt-cache policy metagpt || rpm -q metagpt || metagpt --version

2. No fixed release: DOWNGRADE to a release before 0.8.0 (Debian / Ubuntu)

apt-cache madison metagpt sudo apt install metagpt=<VERSION_BEFORE_0.8.0> sudo apt-mark hold metagpt

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list metagpt sudo dnf downgrade metagpt-<VERSION_BEFORE_0.8.0> sudo dnf versionlock add metagpt

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2026-6111?

metagpt: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-6111 being exploited?

CVE-2026-6111 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-2026-6111 affect?

CVE-2026-6111 affects metagpt. Severity is medium (CVSS 6.3). A security flaw has been discovered in FoundationAgents MetaGPT up to 0.8.1. This impacts the function decode_image of the file metagpt/utils/common.py. The manipulation of the argument img_url_or_b64 results in server-side request forgery.

How urgent is CVE-2026-6111?

Priority 32/100. Public exploit reference

Related CVEs

CVE-2026-6109 MEDIUM 4.3 UPGRADE A vulnerability was determined in FoundationAgents MetaGPT up to 0.8.1
CVE-2026-5972 HIGH 7.3 UPGRADE A vulnerability has been found in FoundationAgents MetaGPT up to 0.8.1
CVE-2026-5974 HIGH 7.3 UPGRADE A vulnerability was determined in FoundationAgents MetaGPT up to 0.8.1
CVE-2026-5970 HIGH 7.3 UPGRADE A vulnerability was detected in FoundationAgents MetaGPT up to 0.8.1
CVE-2026-5971 HIGH 7.3 UPGRADE A flaw has been found in FoundationAgents MetaGPT up to 0.8.1

References

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