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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.

PUBLISHED Reserved 2026-04-09 | Published 2026-04-09 | Updated 2026-04-09 | Assigner VulDB




MEDIUM: 6.9CVSS: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
HIGH: 7.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
HIGH: 7.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
7.5AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Improper Neutralization of Directives in Dynamically Evaluated Code

Code Injection

Product status

0.8.0
affected

0.8.1
affected

Timeline

2026-04-09:Advisory disclosed
2026-04-09:VulDB entry created
2026-04-09:VulDB entry last update

Credits

Eric-c (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/356525 (VDB-356525 | FoundationAgents MetaGPT XML action_node.py ActionNode.xml_fill eval injection) vdb-entry technical-description

vuldb.com/vuln/356525/cti (VDB-356525 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/791734 (Submit #791734 | FoundationAgents MetaGPT 0.8.1 Eval Injection (CWE-95)) third-party-advisory

github.com/FoundationAgents/MetaGPT/issues/1928 exploit issue-tracking

github.com/FoundationAgents/MetaGPT/issues/1956 issue-tracking

github.com/FoundationAgents/MetaGPT/ product

cve.org (CVE-2026-5971)

nvd.nist.gov (CVE-2026-5971)

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