Medium

vercel/serve allows access to restricted files if filename is URL encoded.

  • Disclosed: 09.08.2021
  • Updated: 11.10.2026 10:22

serve node module suffers from Improper Handling of URL Encoding by permitting access to ignored files if a filename is URL encoded.

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
npm package serve < 6.5.2 6.5.2

References

CVSS score 5.3/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness (CWE)
CWE-177
Platform
npm
Package
serve
Disclosed
09.08.2021
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-5rc4-8qqh-vq7f - CC BY 4.0

Vulnerability history: serve

All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.

All (9) in the archive
Total entries
9
First → latest
07.2018 08.2021
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • High 5
  • Medium 4

Disclosures per year

  1. 2018: 2
  2. 2019: 2
  3. 2020: 4
  4. 2021: 1
  5. 2022: 0
  6. 2023: 0
  7. 2024: 0
  8. 2025: 0
  9. 2026: 0
Severity:
  1. vercel/serve allows access to restricted files if filename is URL encoded. this entry
    Medium · 5.3 CVE-2018-3718 < 6.5.2 6.5.2
  2. High ghsa-xw79-hhv6-578c < 10.0.2 10.0.2
  3. High ghsa-48gc-5j93-5cfq < 10.1.2 10.1.2
  4. High ghsa-wm7q-rxch-43mx < 6.5.2 6.5.2
  5. High · 7.5 CVE-2019-5417 < 7.1.3 7.1.3
  6. High · 7.5 CVE-2019-5415 < 7.0.0 7.0.0

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