GHSA-7P8R-X3MC-P8W7 fast-uri vulnerable to host confusion via backslash authority introducer

Impact fast-uri v4.1.1 and earlier require a literal // to recognize a URI authority, so a reference that uses \, /, or / as the authority introducer in place of //, after an optional scheme is parsed with no authority: the sequence and everything after it fold into the path. Node's native...

Security Bulletin: There are vulnerabilities in jackson-databind-2.18.6.jar, protobufjs-8.3.0.tgz and fast-uri-3.1.2.tgz used by IBM Maximo Manage application in IBM Maximo Application Suite which are affected by multiple CVEs

Summary There are vulnerabilities in jackson-databind-2.18.6.jar, protobufjs-8.3.0.tgz and fast-uri-3.1.2.tgz used by IBM Maximo Manage application in IBM Maximo Application Suite which are affected by multiple CVEs mentioned below. Vulnerability Details CVEID:CVE-2026-48712 DESCRIPTION: protobuf...

fast-uri: fast-uri: Host confusion vulnerability via backslash in URI authority

A flaw was found in fast-uri. This vulnerability arises because fast-uri incorrectly parses Uniform Resource Identifiers URIs when a backslash is used in place of a forward slash to introduce the authority component. This discrepancy with Node's native WHATWG URL parser can lead to host confusion...

fast-uri: fast-uri: Host confusion vulnerability via backslash in URI authority

A flaw was found in fast-uri. This vulnerability arises because fast-uri incorrectly parses Uniform Resource Identifiers URIs when a backslash is used in place of a forward slash to introduce the authority component. This discrepancy with Node's native WHATWG URL parser can lead to host confusion...

@datastream/validate (>=0.0.4, <=0.0.38), @dearmrzhang/customs-mcp-server (>=0.1.2, <=1.1.0) +15 more potentially affected by CVE-2026-18446 via fast-uri (>=2.1.0, <=2.3.0)

fast-uri NPM version =2.1.0, =0.0.4, =0.1.2, =0.0.1, =0.0.1, =3.1.0-rc.0, =0.2.0, =0.2.0, =0.2.0, =0.0.1, =0.0.0, =1.0.0, =3.0.0, =1.7.0, =1.8.0 and more Source cves: CVE-2026-18446 Source advisory: SNYK:JS-FASTURI-18506908...

Interpretation Conflict

Overview fast-uri is a Dependency-free RFC 3986 URI toolbox Affected versions of this package are vulnerable to Interpretation Conflict due to malformed authority introducer handling in parseWithStatus and resolve in index.js. An attacker can bypass host-based URL checks and steer requests to an...

Interpretation Conflict

Overview org.webjars.npm:fast-uri is a Dependency-free RFC 3986 URI toolbox Affected versions of this package are vulnerable to Interpretation Conflict due to malformed authority introducer handling in parseWithStatus and resolve in index.js. An attacker can bypass host-based URL checks and steer...

@activepieces/piece-ai (>=0.3.1, <=0.3.4), @donadiosolutions/lcm (1.4.2) +10 more potentially affected by CVE-2026-18446 via fast-uri (>=3.0.1, <=3.1.4)

fast-uri NPM version =3.0.1, =0.3.1, =1.2.0, =5.4.3, =0.1.0, =1.0.0, =1.0.0, =1.25.0, =0.1.5, =0.1.0, =2.2.0, =2.3.1 Source cves: CVE-2026-18446 Source advisory: SNYK:JS-FASTURI-18506908...

CVE-2026-18446

fast-uri before 4.1.2, 3.1.5, and 2.4.4 requires a literal double forward slash to recognize a URI authority, so a reference that uses a backslash based introducer in place of it backslash backslash, forward slash backslash, or backslash forward slash is parsed with no authority and folds into th...

CVE-2026-18446

fast-uri before 4.1.2, 3.1.5, and 2.4.4 requires a literal double forward slash to recognize a URI authority, so a reference that uses a backslash based introducer in place of it backslash backslash, forward slash backslash, or backslash forward slash is parsed with no authority and folds into th...

UBUNTU-CVE-2026-18446

fast-uri before 4.1.2, 3.1.5, and 2.4.4 requires a literal double forward slash to recognize a URI authority, so a reference that uses a backslash based introducer in place of it backslash backslash, forward slash backslash, or backslash forward slash is parsed with no authority and folds into th...

Security Bulletin: IBM App Connect Enterprise is vulnerable to multiple vulnerabilities due to multiple Node.js modules

Summary IBM App Connect Enterprise runtime, IBM App Connect Enterprise Discovery Connectors and IBM App Connect Enterprise Connector Discovery and OpenAPI Editor are vulnerable to multiple vulnerabilities due to Node.js modules undici, js-yaml, fast-uri, protobufjs and @opentelemetry/core...

CVE-2026-18446 fast-uri vulnerable to host confusion via backslash authority introducer

fast-uri before 4.1.2, 3.1.5, and 2.4.4 requires a literal double forward slash to recognize a URI authority, so a reference that uses a backslash based introducer in place of it backslash backslash, forward slash backslash, or backslash forward slash is parsed with no authority and folds into th...

CVE-2026-18446 fast-uri vulnerable to host confusion via backslash authority introducer

fast-uri before 4.1.2, 3.1.5, and 2.4.4 requires a literal double forward slash to recognize a URI authority, so a reference that uses a backslash based introducer in place of it backslash backslash, forward slash backslash, or backslash forward slash is parsed with no authority and folds into th...

CVE-2026-18446

fast-uri before 4.1.2, 3.1.5, and 2.4.4 requires a literal double forward slash to recognize a URI authority, so a reference that uses a backslash based introducer in place of it backslash backslash, forward slash backslash, or backslash forward slash is parsed with no authority and folds into th...

CVE-2026-18446

CVE-2026-18446 affects the fast-uri library prior to versions 4.1.2, 3.1.5, and 2.4.4 . A backslash-based introducer can substitute for a literal double forward slash required to recognize a URI authority, causing fast-uri to misparse the host while Node’s WHATWG URL parser treats backslashes dif...

CVE-2026-18446 fast-uri vulnerable to host confusion via backslash authority introducer

fast-uri before 4.1.2, 3.1.5, and 2.4.4 requires a literal double forward slash to recognize a URI authority, so a reference that uses a backslash based introducer in place of it backslash backslash, forward slash backslash, or backslash forward slash is parsed with no authority and folds into th...

Linux Distros Unpatched Vulnerability : CVE-2026-18446

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - fast-uri before 4.1.2, 3.1.5, and 2.4.4 requires a literal double forward slash to recognize a URI authority, so a reference that uses a backslash based...

PT-2026-66759

Name of the Vulnerable Software and Affected Versions fast-uri versions prior to 4.1.2 fast-uri versions prior to 3.1.5 fast-uri versions prior to 2.4.4 Description The software requires a literal double forward slash to recognize a URI authority. If a backslash-based introducer is used instead...

Security Bulletin: MongoDB Enterprised Advanced affected by: Interpretation Conflict (CVE-2026-6322)

Summary There are vulnerabilities in fast-uri-3.0.1.tgz used in MongoDB Enterprised Advanced for IBM, involving CVE-2026-6322. The vulnerability has been addressed. Vulnerability Details CVEID:CVE-2026-6322 DESCRIPTION: fast-uri normalize decoded percent-encoded authority delimiters inside the ho...