CVE-2026-5971

Name: CVE-2026-5971
Creator: NVD / NIST
Published: 2026-04-09T18:17:04.723+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.39%

Last modified Jun 17, 2026

CVE-2026-5971 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A flaw has been found in FoundationAgents MetaGPT up to 0.8.1. This vulnerability affects the function ActionNode.xml_fill of the file metagpt/actions/action_node.py of the component XML Handler. EPSS estimates a 0.39% chance of exploitation in the next 30 days.

Description

A flaw has been found in FoundationAgents MetaGPT up to 0.8.1. This vulnerability affects the function ActionNode.xml_fill of the file metagpt/actions/action_node.py of the component XML Handler. Executing a manipulation can lead to improper neutralization of directives in dynamically evaluated code. The attack may be launched remotely. The exploit has been published and may be used. The project was informed of the problem early through a pull request but has not reacted yet.

Metrics

CVSS 3.1

9.8/10

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

CVSS 4.0

5.5/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.39%

30.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Deepwisdom	Metagpt	<= 0.8.1

References

https://github.com/FoundationAgents/MetaGPT/Product
https://github.com/FoundationAgents/MetaGPT/issues/1928Exploit, Issue Tracking
https://github.com/FoundationAgents/MetaGPT/issues/1956Issue Tracking
https://vuldb.com/submit/791734Exploit, Third Party Advisory, VDB Entry
https://vuldb.com/vuln/356525Third Party Advisory, VDB Entry
https://vuldb.com/vuln/356525/ctiPermissions Required, VDB Entry

Timeline

Published: Apr 9, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-5971?

How severe is CVE-2026-5971?

CVE-2026-5971 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.

How do I fix CVE-2026-5971?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-5971?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST