nocobase plugin-workflow-javascript Vm.js createSafeConsole sandbox

published 2026-04-13 6 mo ago modified 2026-10-26 13 d ago also EUVD-2026-22122

cvss: 7.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 22%
public exploits: 0; none known

A security flaw has been discovered in nocobase plugin-workflow-javascript up to 2.0.23. This issue affects the function createSafeConsole of the file packages/plugins/@nocobase/plugin-workflow-javascript/src/server/Vm.js. Performing a manipulation results in sandbox issue. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: yes
Technical impact: partial
Assessed: 6 mo ago (2026-04-14)

Exploit prediction

0.30% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/Pai-777/ai-cve/blob/main/docs/cve-drafts/nocobase-workflow-javascript-sandbox-escape.en.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	6.9	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
CNA	3.1	7.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CNA	3.0	7.3	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CNA	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
CNA	4.0	5.5	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
CNA	3.1	7.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CNA	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

nocobase plugin-workflow-javascript

Classification

Weakness

CWE-265 Privilege Issues
CWE-264 Permissions, Privileges, and Access Controls

References

github.com /Pai-777/ai-cve/blob/main/docs/cve-drafts/nocobase-workflow-javascript-sandbox-escape.en.md
exploit
vuldb.com /vuln/357142
vdb-entry, technical-description
vuldb.com /vuln/357142/cti
signature, permissions-required
vuldb.com /submit/785881
third-party-advisory

Sources

CVE List CVE-2026-6224
NVD CVE-2026-6224

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