FoundationAgents MetaGPT editor.py read path traversal

published 2026-08-06 3 mo ago modified 2026-10-23 16 d ago also EUVD-2026-54294

cvss: 3.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 11%
public exploits: 0; none known

A vulnerability was determined in FoundationAgents MetaGPT up to 0.8.2. This affects the function read of the file metagpt/tools/libs/editor.py. This manipulation causes path traversal. The attack needs to be launched locally. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 3 mo ago (2026-08-07)

Exploit prediction

0.21% chance of exploitation in the next 30 days, higher than 11% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

vuldb.com https://vuldb.com/submit/864278 referenced PoC, tagged "exploit" by a source, unverified
gist.github.com https://gist.github.com/tchen200311/cde7fa2213f3df85d19c1928e3c4a509 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	4.8	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
CNA	3.1	3.3	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
CNA	3.0	3.3	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
CNA	2.0	1.7	AV:L/AC:L/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR
CNA	4.0	1.9	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/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
CNA	3.1	3.3	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CNA	2.0	1.7	AV:L/AC:L/Au:S/C:P/I:N/A:N

Affected products

FoundationAgents MetaGPT

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

vuldb.com /submit/864278
third-party-advisory, exploit
gist.github.com /tchen200311/cde7fa2213f3df85d19c1928e3c4a509
exploit
vuldb.com /vuln/386516
vdb-entry, technical-description
vuldb.com /vuln/386516/cti
signature, permissions-required
vuldb.com /cve/CVE-2026-19059
third-party-advisory

Sources

CVE List CVE-2026-19059
NVD CVE-2026-19059

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary