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CVE-2018-3774

Open Redirect in url-parse

10.0 CriticalFix available

CVE-2018-3774 is a critical vulnerability (CVSS 10.0) in Hackerone Url-parse, published August 12, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.81%, the 90th percentile. Fixed in url-parse 1.4.3.

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

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

3.81%Up 3.0 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 10.0

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

Record
CVE-2018-3774
CVSS 3.0
10.0 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-425, CWE-601, CWE-918
Updated
2026-11-02
CVE List No score

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

Record
CVE-2018-3774
Weakness
CWE-425
Updated
2026-11-02
EUVDEUVD-2018-0418 No score

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

Record
EUVD-2018-0418
Updated
2026-11-03
GitHub AdvisoriesGHSA-pv4c-p2j5-38j4 10.0

Open Redirect in url-parse

Versions of url-parse before 1.4.3 returns the wrong hostname which could lead to Open Redirect, Server Side Request Forgery (SSRF), or Bypass Authentication Protocol vulnerabilities.

Recommendation

Update to version 1.4.3 or later.

Record
GHSA-pv4c-p2j5-38j4
CVSS 3.0
10.0 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness
CWE-425
Updated
2026-11-02
OSV 10.0

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

Record
CVE-2018-3774
CVSS 3.0
10.0 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2018-3774 10.0

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

Record
DEBIAN-CVE-2018-3774
CVSS 3.0
10.0 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Updated
2026-11-02
OSVGHSA-pv4c-p2j5-38j4 10.0

Open Redirect in url-parse

Versions of url-parse before 1.4.3 returns the wrong hostname which could lead to Open Redirect, Server Side Request Forgery (SSRF), or Bypass Authentication Protocol vulnerabilities.

Recommendation

Update to version 1.4.3 or later.

Record
GHSA-pv4c-p2j5-38j4
CVSS 3.0
10.0 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness
CWE-425
Updated
2026-11-02
OSVUBUNTU-CVE-2018-3774 10.0

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

Record
UBUNTU-CVE-2018-3774
CVSS 3.0
10.0 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Updated
2026-11-02
OSVUSN-5973-1 No score

node-url-parse vulnerabilities

It was discovered that url-parse incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service, or to perform a server-side request forgery attack or open redirect attack. (CVE-2018-3774)

It was discovered that url-parse incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to bypass input validation. This issue was only fixed in Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-8124)

Yaniv Nizry discovered that url-parse incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service, or to perform a server-side request forgery attack or open redirect attack. This issue was only fixed in Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2021-27515)

It was discovered that url-parse incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service, or to perform a server-side request forgery attack or open redirect attack. This issue was only fixed in Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2021-3664)

It was discovered that url-parse incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to bypass authorization. This issue was only fixed in Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2022-0512, CVE-2022-0639, CVE-2022-0691)

Rohan Sharma discovered that url-parse incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to bypass authorization. This issue was only fixed in Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2022-0686)

Record
USN-5973-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
url-parse
npm
1.0.0 up to 1.4.3
1.4.3
node-url-parse
Debian:12
before 1.2.0-2
1.2.0-2
node-url-parse
Debian:13
before 1.2.0-2
1.2.0-2
node-url-parse
Debian:14
before 1.2.0-2
1.2.0-2
node-url-parse
Ubuntu:Pro:16.04:LTS
before 1.0.5-2ubuntu0.1~esm2, plus listed versions
1.0.5-11.0.5-2
1.0.5-2ubuntu0.1~esm2
node-url-parse
Ubuntu:18.04:LTS
before 1.2.0-1ubuntu0.1, plus listed versions
1.0.5-21.2.0-1
1.2.0-1ubuntu0.1
node-url-parse
Ubuntu:20.04:LTS
before 1.4.7-3ubuntu0.1, plus listed versions
1.4.7-3
1.4.7-3ubuntu0.1

History

History
WhenChangedSources
2026-11-03aliasesEUVD
2026-11-02createdCVE List, GitHub Advisories, NVD, OSV

References

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