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3.6 Low

A flaw in Node.js Permission Model filesystem enforcement can grant access to paths that do not match a wildcard --allow-fs-read or…

CVE-2026-106071

A flaw in Node.js Permission Model filesystem enforcement can grant access to paths that do not match a wildcard --allow-fs-read or --allow-fs-write rule. When the requested path is shorter than the prefix of a wildcard grant, the radix tree lookup stops comparing early and treats the path as a match. For example, --allow-fs-read=/etc/passwd. also allows reading /etc/passwd. This requires the wildcard grant to sit directly under the root of the permission tree, for example when it is the only grant for that scope. This is a different root cause from CVE-2026-58043. This vulnerability affects Node.js 26.x.

Proof-of-concept code is published

Public PoC

Signals come from Exploit-DB, Metasploit, Nuclei and published proof-of-concept repositories. Their absence means nothing was found, not that nothing exists.

Assessment

CVSS
3.6 (v3.0)
Severity
Low
EPSS
0.2% chance of exploitation in the next 30 days
Known exploited
Not listed in CISA KEV
Exploit availability
Public PoC
Published
23 October 2026
Last updated
2 November 2026
Affected
nodejs · Node
Assigner
hackerone

CVSS vectorCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N/CR:M/IR:M/AR:M

At the source

References

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