CVE-2022-21192: All versions of the package serve-lite are vulnerable to Directory Traversal due to missing input sanitization

This week

HIGH 7.5REMOTEMITIGATE

CVE-2022-21192 is a high-severity flaw (CVSS 7.5) affecting serve-lite. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

All versions of the package serve-lite are vulnerable to Directory Traversal due to missing input sanitization or other checks and protections employed to the req.url passed as-is to path.join().

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.3% (top 29%)
CISA exploited list	No
Weakness	CWE-22
Published	2023-01-26
Last modified	2026-06-17

Publisher (CNA): Snyk · Vendor: serve-lite project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-01-26 21:15 UTCPublished CVE record published
2026-06-17 04:25 UTCUpdated Record last modified

serve-lite project serve-lite MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls serve-lite

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-21192?

serve-lite: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-21192 being exploited?

CVE-2022-21192 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-21192 affect?

CVE-2022-21192 affects serve-lite. Severity is high (CVSS 7.5). All versions of the package serve-lite are vulnerable to Directory Traversal due to missing input sanitization or other checks and protections employed to the req.url passed as-is to path.join().

How urgent is CVE-2022-21192?

Priority 54/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2022-25847 MEDIUM 5.4 MITIGATE All versions of the package serve-lite are vulnerable to Cross-site Scripting (XSS) because when it detects a

References

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