CVE-2018-3774

CRITICALNVD 10.010.0—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 10.0 under NVD CVSS v3. EPSS exploit probability: 3.8%, top 11% 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
Trending — 3 sources updated this week
10.0EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 4%CVSS: 10.0Exploit: None knownExposed: 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)
EG Risk
51(Track)
EG Risk 51/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity100% × 45%
Exploitation4% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
4%
EPSS %ILE
89%
KEV
Not listed

Published

August 12, 2018

Last Modified

November 21, 2024

Advisory Details (3)

Auto-updated Jul 25, 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 13× in last 7d / 46× 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.

Showing the most recent 100 of 105 total refreshes for this CVE.

  1. 2026-07-26 14:51 UTCEPSS rescore
  2. 2026-07-26 14:51 UTCEPSS rescore
  3. 2026-07-25 14:14 UTCEPSS rescore
  4. 2026-07-24 14:14 UTCEPSS rescore
  5. 2026-07-24 14:14 UTCEPSS rescore
  6. 2026-07-23 14:15 UTCEPSS rescore
  7. 2026-07-23 01:36 UTCEG score recompute
  8. 2026-07-22 22:16 UTCEG score recompute
  9. 2026-07-22 14:05 UTCEPSS rescore
  10. 2026-07-21 15:22 UTCEPSS rescore
  11. 2026-07-21 07:17 UTCOSV refresh
  12. 2026-07-20 17:04 UTCEPSS rescore
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  1. 2026-07-12 05:43 UTCEPSS rescore
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  3. 2026-07-09 19:06 UTCEPSS rescore
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  11. 2026-07-04 06:28 UTCEPSS rescore
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  13. 2026-07-04 02:26 UTCOSV refresh
  14. 2026-07-02 16:54 UTCEPSS rescore
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  17. 2026-06-30 23:20 UTCEPSS rescore
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  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
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  24. 2026-06-25 13:47 UTCEPSS rescore
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  26. 2026-06-24 14:02 UTCEPSS rescore
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  28. 2026-06-23 21:30 UTCEPSS rescore
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  40. 2026-06-17 17:50 UTCEPSS rescore
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  43. 2026-06-16 17:50 UTCEPSS rescore
  44. 2026-06-15 17:45 UTCEPSS rescore
  45. 2026-06-15 14:43 UTCOSV refresh
  46. 2026-06-14 23:15 UTCEPSS rescore
  47. 2026-06-14 23:14 UTCEPSS rescore
  48. 2026-06-13 22:58 UTCEPSS rescore
  49. 2026-06-12 23:09 UTCEPSS rescore
  50. 2026-06-12 23:09 UTCEPSS rescore
  51. 2026-06-11 13:57 UTCEPSS rescore
  52. 2026-06-10 22:16 UTCEPSS rescore
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  54. 2026-06-08 14:14 UTCEPSS rescore
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  58. 2026-06-05 22:45 UTCEPSS rescore
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  60. 2026-06-05 06:08 UTCEPSS rescore
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  62. 2026-06-04 13:10 UTCEPSS rescore
  63. 2026-06-02 20:11 UTCEPSS rescore
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  65. 2026-06-01 13:50 UTCEPSS rescore
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  67. 2026-05-31 00:14 UTCEPSS rescore
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  72. 2026-05-28 04:09 UTCEG score recompute
  73. 2026-05-28 04:09 UTCVendor advisory
  74. 2026-05-27 13:38 UTCEPSS rescore
  75. 2026-05-27 13:38 UTCEPSS rescore

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 4% probability of exploitation in the next 30 days, which ranks it in the top 11.1% of all scored CVEs.
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

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