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Vulnerabilities

Vulnerability · CVE-2026-21715

A flaw in Node.js Permission Model filesystem enforcement leaves without the required read permission checks, while all comparable filesystem functions correctly enfor…

Published Mar 30, 2026 · catalog updated Aug 19, 2026 · the affected product

Last checked Oct 26, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-21715. EPSS is 0.16%. Act only if a listed version of the affected product is installed.

Gaps on this record

  • No plain product name is stored. The page cannot tell you which product to check.
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Low3.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.16%
Remediation
Advisory link
Affected products
cpe nodejs/node.js

A flaw in Node.js Permission Model filesystem enforcement leaves without the required read permission checks, while all comparable filesystem functions correctly enforce them. As a result, code running under with restricted can still use to check file existence, resolve symlink targets, and enumerate filesystem paths outside of permitted directories. This vulnerability affects **20.x, 22.x, 24.x, and 25.x** processes using the Permission Model where is intentionally restricted.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe nodejs/node.jsversion unspecified

How to fix CVE-2026-21715

  • No stored fix

    No vendor fix text is stored. Use the linked advisory before you change production.

  • Version check

    No version range is stored, so an installed version cannot be checked on this page.

  • Advisory

    Open the cve_org record and follow its fix.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-21715. EPSS is 0.16%. Act only if a listed version of the affected product is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-732: Incorrect Permission Assignment for Critical Resource. EPSS 0.16%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 30, 2026 · NIST NVD

    Detected

    A flaw in Node.js Permission Model filesystem enforcement leaves without the required read permission checks, while all comparable filesystem functions correctly enforce them. As a result, code running under with restricted can still use to check file existence, resolve symlink targets, and enumerate filesystem paths outside of permitted directories. This vulnerability affects **20.x, 22.x, 24.x,

  2. Aug 19, 2026 · NIST NVD

    Updated

    A flaw in Node.js Permission Model filesystem enforcement leaves without the required read permission checks, while all comparable filesystem functions correctly enforce them. As a result, code running under with restricted can still use to check file existence, resolve symlink targets, and enumerate filesystem paths outside of permitted directories. This vulnerability affects **20.x, 22.x, 24.x,

Sources

  • CVE.orgVulnerability recordCVE-2026-21715

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-21715

    30-day exploitation probability 0.16%

    first.org
  • NIST NVDVulnerability recordCVE-2026-21715

    A flaw in Node.js Permission Model filesystem enforcement leaves without the required read permission checks, while all comparable filesystem functions correctly enforce them. As a result, code running under with restricted `--allow-fs

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 26, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 23, 2026
  • CVE.orgOct 16, 2026
  • NIST NVDOct 15, 2026