CVE-2018-3774
Open Redirect in url-parse
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
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 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV: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 Critical
CVSS: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 Critical
CVSS: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 Critical
CVSS: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 Critical
CVSS: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 Critical
CVSS: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
| Package | Affected | Fixed |
|---|---|---|
url-parsenpm |
1.0.0 up to 1.4.3 | 1.4.3 |
node-url-parseDebian:12 |
before 1.2.0-2 | 1.2.0-2 |
node-url-parseDebian:13 |
before 1.2.0-2 | 1.2.0-2 |
node-url-parseDebian:14 |
before 1.2.0-2 | 1.2.0-2 |
node-url-parseUbuntu: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-parseUbuntu: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-parseUbuntu:20.04:LTS |
before 1.4.7-3ubuntu0.1, plus listed versions 1.4.7-3 |
1.4.7-3ubuntu0.1 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |
References
github.com/unshiftio/url-parse/commit/d7b582ec1243e8024e60ac0b62d2569c939ef5de
hackerone.com/reports/384029
github.com/unshiftio/url-parse/commit/53b1794e54d0711ceb52505e0f74145270570d5a
nvd.nist.gov/vuln/detail/CVE-2018-3774
github.com/unshiftio/url-parse/commit/209c296d302317268afbe19700a70c63ecbeb2d2
github.com/unshiftio/url-parse/compare/0.2.3...1.0.0
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github.com/advisories/GHSA-pv4c-p2j5-38j4
security-tracker.debian.org/tracker/CVE-2018-3774
github.com/unshiftio/url-parse
ubuntu.com/security/CVE-2018-3774
ubuntu.com/security/notices/USN-5973-1
cve.org/CVERecord?id=CVE-2018-3774
ubuntu.com/security/CVE-2020-8124
ubuntu.com/security/CVE-2021-3664
ubuntu.com/security/CVE-2021-27515
ubuntu.com/security/CVE-2022-0512
ubuntu.com/security/CVE-2022-0639
ubuntu.com/security/CVE-2022-0686
ubuntu.com/security/CVE-2022-0691