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TI-2021-08995 Aliases CVE-2021-27515GHSA-9m6j-fcg5-2442

url-parse before 1.5.0 mishandles certain uses of backslash such as http:\/ and interprets the URI as a relative path.

Priority LOW 28CWE-23Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · Low · None
Fix status
Partial Red Hat: 1 fixed, 2 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat.

Summary

url-parse before 1.5.0 mishandles certain uses of backslash such as http:\/ and interprets the URI as a relative path.

Why it matters now

EPSS 0.01964 80th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial url-parse (npm): 1.5.0Red Hat: 1 advisoryRed Hat: 1 fixed, 2 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—url-parse (npm)0.1.0 to before 1.5.01.5.0Patch availableGHSA-9m6j-fcg5-2442
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • url-parse (npm) Vendor— Affected 0.1.0 to before 1.5.0 Fixed in 1.5.0 Patch available GHSA-9m6j-fcg5-2442

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:url-parse_project:url-parse:*:*:*:*:*:node.js:*:*before 1.5.0Vulnerableunshiftio
  • cpe:2.3:a:url-parse_project:url-parse:*:*:*:*:*:node.js:*:* Versions before 1.5.0 Vulnerable ·unshiftio

Remediation

  • Fix · GHSA-9m6j-fcg5-2442 url-parse (npm) Fixed in 1.5.0 Advisory →

Red Hat 1 advisory

  • RHSA-2021:3917 Released 2021-10-19 · Red Hat rating Important
    Red Hat Quay v3.6.0 security, bug fix and enhancement update
    • Quay v3 quay/quay-rhel8

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Decision Manager 7AffectedNo fix planned: Out of support scope
Red Hat Process Automation 7AffectedNo fix planned: Out of support scope
Quay v3Fixed RHSA-2021:3917
Not affected: 4 products
  • OpenShift Service Mesh 2.0
  • Quay v3
  • Red Hat Advanced Cluster Management for Kubernetes 2
  • Red Hat OpenShift Container Platform 4

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-27515
  2. 2026-10-03 Alias added: GHSA-9m6j-fcg5-2442

References

  • TI-2018-02768 Open redirect in HackerOne url-parse CVSS 3.0CRITICAL 10.0
  • TI-2022-00605 Authorization Bypass Through User-Controlled Key in unshiftio/url-parse CVSS 3.1CRITICAL 9.8
  • TI-2022-00600 Authorization Bypass Through User-Controlled Key in unshiftio/url-parse CVSS 3.1CRITICAL 9.1
  • TI-2022-00432 Authorization Bypass Through User-Controlled Key in unshiftio/url-parse CVSS 3.1MEDIUM 5.3
  • TI-2021-02606 Open Redirect in unshiftio/url-parse CVSS 3.1MEDIUM 5.3
  • TI-2022-00556 Authorization Bypass Through User-Controlled Key in unshiftio/url-parse CVSS 3.1MEDIUM 5.3
See all 7 →

Sources