CVE-2018-3774

CRITICALNVD 10.010.0—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 10.0 under NVD CVSS v3. EPSS exploit probability: 1.7%, top 17% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
10.0
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 4%CVSS: 10.0Exploit: NoneExposed: 0

A fix is available — apply it.

Incorrect parsing in url-parse <1.4.3 returns wrong hostname which leads to multiple vulnerabilities such as SSRF, Open Redirect, Bypass Authentication Protocol.

CVSS v3
10.0
EG Score
10.0(medium)
EPSS
88.8%
KEV
Not listed

Published

August 12, 2018

Last Modified

November 21, 2024

Advisory Details (3)

Auto-updated Jul 11, 2026
Upstream fix merged — awaiting tagged release. Sources: github_commit.
generic

HackerOne

https://hackerone.com/reports/384029
github_commit

commit d7b582ec1243 (unshiftio/url-parse)

Fix landed in unshiftio/url-parse commit d7b582ec1243 — awaiting tagged release

https://github.com/unshiftio/url-parse/commit/d7b582ec1243e8024e60ac0b62d2569c939ef5de
github_commit

commit 53b1794e54d0 (unshiftio/url-parse)

Fix landed in unshiftio/url-parse commit 53b1794e54d0 — awaiting tagged release

https://github.com/unshiftio/url-parse/commit/53b1794e54d0711ceb52505e0f74145270570d5a

Patch Availability(2)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntunode-url-parse (1.0.5-2ubuntu0.1~esm2) @ xenial2026-05-28ubuntu
redhatquay/quay-rhel8:v3.6.0-622021-10-19redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)
npm(1)
PackageVulnerable rangeFixed inDependents
url-parse—1.4.3—

Weakness Classification(3)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(2)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 9× in last 7d / 50× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-12 05:43 UTCEPSS rescore
  2. 2026-07-11 08:24 UTCEPSS rescore
  3. 2026-07-09 19:06 UTCEPSS rescore
  4. 2026-07-08 15:11 UTCEPSS rescore
  5. 2026-07-07 13:42 UTCEPSS rescore
  6. 2026-07-07 13:42 UTCEPSS rescore
  7. 2026-07-06 16:24 UTCEPSS rescore
  8. 2026-07-06 16:24 UTCEPSS rescore
  9. 2026-07-06 02:20 UTCEPSS rescore
  10. 2026-07-05 02:27 UTCEPSS rescore
  11. 2026-07-04 06:28 UTCEPSS rescore
  12. 2026-07-04 06:28 UTCEPSS rescore
  13. 2026-07-04 02:26 UTCOSV refresh
  14. 2026-07-02 16:54 UTCEPSS rescore
  15. 2026-07-01 15:03 UTCEPSS rescore
  16. 2026-07-01 15:03 UTCEPSS rescore
  17. 2026-06-30 23:20 UTCEPSS rescore
  18. 2026-06-30 23:19 UTCEPSS rescore
  19. 2026-06-28 14:04 UTCEPSS rescore
  20. 2026-06-28 04:53 UTCEPSS rescore
  21. 2026-06-28 04:53 UTCEPSS rescore
  22. 2026-06-27 03:06 UTCEPSS rescore
  23. 2026-06-27 03:06 UTCEPSS rescore
  24. 2026-06-25 13:47 UTCEPSS rescore
  25. 2026-06-25 13:47 UTCEPSS rescore
Show 55 more
  1. 2026-06-24 14:02 UTCEPSS rescore
  2. 2026-06-24 14:02 UTCEPSS rescore
  3. 2026-06-23 21:30 UTCEPSS rescore
  4. 2026-06-23 21:30 UTCEPSS rescore
  5. 2026-06-23 21:30 UTCEPSS rescore
  6. 2026-06-22 14:23 UTCEPSS rescore
  7. 2026-06-21 14:54 UTCEPSS rescore
  8. 2026-06-21 14:54 UTCEPSS rescore
  9. 2026-06-21 01:57 UTCEPSS rescore
  10. 2026-06-21 01:57 UTCEPSS rescore
  11. 2026-06-19 19:23 UTCEPSS rescore
  12. 2026-06-19 19:23 UTCEPSS rescore
  13. 2026-06-18 17:50 UTCEPSS rescore
  14. 2026-06-18 17:50 UTCEPSS rescore
  15. 2026-06-17 17:50 UTCEPSS rescore
  16. 2026-06-17 17:50 UTCEPSS rescore
  17. 2026-06-16 17:50 UTCEPSS rescore
  18. 2026-06-16 17:50 UTCEPSS rescore
  19. 2026-06-15 17:45 UTCEPSS rescore
  20. 2026-06-15 14:43 UTCOSV refresh
  21. 2026-06-14 23:15 UTCEPSS rescore
  22. 2026-06-14 23:14 UTCEPSS rescore
  23. 2026-06-13 22:58 UTCEPSS rescore
  24. 2026-06-12 23:09 UTCEPSS rescore
  25. 2026-06-12 23:09 UTCEPSS rescore
  26. 2026-06-11 13:57 UTCEPSS rescore
  27. 2026-06-10 22:16 UTCEPSS rescore
  28. 2026-06-10 13:19 UTCEPSS rescore
  29. 2026-06-08 14:14 UTCEPSS rescore
  30. 2026-06-08 14:14 UTCEPSS rescore
  31. 2026-06-07 15:22 UTCEPSS rescore
  32. 2026-06-07 15:22 UTCEPSS rescore
  33. 2026-06-05 22:45 UTCEPSS rescore
  34. 2026-06-05 22:45 UTCEPSS rescore
  35. 2026-06-05 06:08 UTCEPSS rescore
  36. 2026-06-05 06:08 UTCEPSS rescore
  37. 2026-06-04 13:10 UTCEPSS rescore
  38. 2026-06-02 20:11 UTCEPSS rescore
  39. 2026-06-02 20:11 UTCEPSS rescore
  40. 2026-06-01 13:50 UTCEPSS rescore
  41. 2026-06-01 13:50 UTCEPSS rescore
  42. 2026-05-31 00:14 UTCEPSS rescore
  43. 2026-05-31 00:14 UTCEPSS rescore
  44. 2026-05-29 13:41 UTCEPSS rescore
  45. 2026-05-28 13:42 UTCEPSS rescore
  46. 2026-05-28 13:42 UTCEPSS rescore
  47. 2026-05-28 04:09 UTCEG score recompute
  48. 2026-05-28 04:09 UTCVendor advisory
  49. 2026-05-27 13:38 UTCEPSS rescore
  50. 2026-05-27 13:38 UTCEPSS rescore
  51. 2026-05-26 13:42 UTCEPSS rescore
  52. 2026-05-26 13:42 UTCEPSS rescore
  53. 2026-05-26 07:17 UTCEPSS rescore
  54. 2026-05-26 07:17 UTCEPSS rescore
  55. 2026-05-25 02:09 UTCOSV refresh

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2018-3774?
CVE-2018-3774 is a critical vulnerability published on August 12, 2018. Incorrect parsing in url-parse <1.4.3 returns wrong hostname which leads to multiple vulnerabilities such as SSRF, Open Redirect, Bypass Authentication Protocol.
When was CVE-2018-3774 disclosed?
CVE-2018-3774 was first published in the National Vulnerability Database on August 12, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-3774 actively exploited?
CVE-2018-3774 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 88.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2018-3774?
CVE-2018-3774 has a CVSS v3 base score of 10.0 (NVD).
How do I remediate CVE-2018-3774?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-3774, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2018-3774

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