CVE-2026-6111: FoundationAgents MetaGPT common.py decode_image server-side request forgery

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-04-12 · updated 2026-10-26
Weakness: CWE-918

Description

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 responded yet.

Affected products

FoundationAgents MetaGPT: 0.8.0, 0.8.1

References

https://github.com/FoundationAgents/MetaGPT/
https://github.com/FoundationAgents/MetaGPT/issues/1934
https://github.com/FoundationAgents/MetaGPT/pull/1941
https://vuldb.com/submit/791762
https://vuldb.com/vuln/356971
https://vuldb.com/vuln/356971/cti

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