Linux Distros Unpatched Vulnerability : CVE-2026-75931

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - fast-uri is a URI parser for Node.js. It canonicalizes a host to its ASCII form only when the input carries an explicit scheme, so a scheme-relative reference...

Linux Distros Unpatched Vulnerability : CVE-2026-75899

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - fast-uri is a URI parser for Node.js. It decodes percent escapes in a hostname during parsing and then decodes the parsed hostname a second time during authorit...

PT-2026-81281

Ech0 through 4.5.6 contains an OAuth redirect URI validation vulnerability in parseAndValidateClientRedirect internal/service/auth/auth.go that compares only the scheme and host of the client-supplied redirect uri against the admin-configured allowlist, ignoring path, query, and fragment...

PT-2026-81481

Name of the Vulnerable Software and Affected Versions Coroot affected versions not specified Description An unauthenticated MCP OAuth dynamic client registration endpoint accepts any syntactically valid redirect URI without validation. This allows attackers to register clients that point to hosts...

Linux Distros Unpatched Vulnerability : CVE-2026-19953

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - URI versions before 5.36 for Perl encode non-NFC host names to non-standard punycode labels via missing normalization in nameprep. nameprep lowercases each host...

CVE-2026-76835

OAuth2 Proxy honours a client-supplied X-Forwarded-Uri header when deciding whether a request may skip authentication, because the guard added for CVE-2026-40575 is inert in the default reverse-proxy configuration. GetRequestURI in pkg/requests/util/util.go prefers that header over the real reque...

CVE-2026-76835 OAuth2 Proxy 7.15.2 through 7.15.4 Authentication Bypass via X-Forwarded-Uri Under the Default Trusted Proxy Set

OAuth2 Proxy honours a client-supplied X-Forwarded-Uri header when deciding whether a request may skip authentication, because the guard added for CVE-2026-40575 is inert in the default reverse-proxy configuration. GetRequestURI in pkg/requests/util/util.go prefers that header over the real reque...

CVE-2026-76835 OAuth2 Proxy 7.15.2 through 7.15.4 Authentication Bypass via X-Forwarded-Uri Under the Default Trusted Proxy Set

OAuth2 Proxy honours a client-supplied X-Forwarded-Uri header when deciding whether a request may skip authentication, because the guard added for CVE-2026-40575 is inert in the default reverse-proxy configuration. GetRequestURI in pkg/requests/util/util.go prefers that header over the real reque...

EUVD-2026-65061

OAuth2 Proxy honours a client-supplied X-Forwarded-Uri header when deciding whether a request may skip authentication, because the guard added for CVE-2026-40575 is inert in the default reverse-proxy configuration. GetRequestURI in pkg/requests/util/util.go prefers that header over the real reque...

CVE-2026-76835 OAuth2 Proxy 7.15.2 through 7.15.4 Authentication Bypass via X-Forwarded-Uri Under the Default Trusted Proxy Set

OAuth2 Proxy honours a client-supplied X-Forwarded-Uri header when deciding whether a request may skip authentication, because the guard added for CVE-2026-40575 is inert in the default reverse-proxy configuration. GetRequestURI in pkg/requests/util/util.go prefers that header over the real reque...

CVE-2026-76835

OAuth2 Proxy versions 7.15.2 through 7.15.4 are affected by an authentication bypass via the X-Forwarded-Uri header. When reverse-proxy mode is enabled without trusted_proxy_ip configured, buildTrustedProxyNetSet falls back to 0.0.0.0/0 and ::/0, treating every client as a trusted proxy. An unaut...

CVE-2026-76835

OAuth2 Proxy honours a client-supplied X-Forwarded-Uri header when deciding whether a request may skip authentication, because the guard added for CVE-2026-40575 is inert in the default reverse-proxy configuration. GetRequestURI in pkg/requests/util/util.go prefers that header over the real reque...

CLSA-2026-1787592232 TuxCare security update for fast-uri (1 CVE)

TuxCare rebuilt fast-uri to address 1 CVE. Fixed in 2.4.3-tuxcare.1...

Interpretation Conflict

Overview fast-uri is a Dependency-free RFC 3986 URI toolbox Affected versions of this package are vulnerable to Interpretation Conflict in resolve through the resolve process in index.js. An attacker can make an application resolve a scheme-relative reference such as //host/ against a...

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 in resolve through the resolve process in index.js. An attacker can make an application resolve a scheme-relative reference such as //host/ again...

@diviops/mcp-server (>=1.5.40, <=1.5.43), @donadiosolutions/lcm (>=1.4.2, <=1.4.3) +17 more potentially affected by CVE-2026-75931 via fast-uri (>=3.1.3, <=3.1.5)

fast-uri NPM version =3.1.3, =1.5.40, =1.4.2, =1.2.0, =0.2.0-alpha.5, =0.1.0, =0.1.6, =0.1.5, =3.38.11, =0.1.0, =0.1.2 and more Source cves: CVE-2026-75931 Source advisory: SNYK:JS-FASTURI-19256867...

Double Decoding of the Same Data

Overview fast-uri is a Dependency-free RFC 3986 URI toolbox Affected versions of this package are vulnerable to Double Decoding of the Same Data through hostname normalization in normalize and resolve and the authority recomposition logic in index.js and lib/utils.js. An attacker can redirect an...

Double Decoding of the Same Data

Overview org.webjars.npm:fast-uri is a Dependency-free RFC 3986 URI toolbox Affected versions of this package are vulnerable to Double Decoding of the Same Data through hostname normalization in normalize and resolve and the authority recomposition logic in index.js and lib/utils.js. An attacker...

@diviops/mcp-server (>=1.5.40, <=1.5.43), @donadiosolutions/lcm (>=1.4.2, <=1.4.3) +18 more potentially affected by CVE-2026-75899 via fast-uri (>=3.1.2, <=3.1.5)

fast-uri NPM version =3.1.2, =1.5.40, =1.4.2, =1.2.0, =0.2.0-alpha.5, =0.1.0, =0.1.6, =1.25.0, =0.1.5, =3.38.11, =3.39.0 and more Source cves: CVE-2026-75899 Source advisory: SNYK:JS-FASTURI-19256873...

Improper Validation of Syntactic Correctness of Input

Overview fast-uri is a Dependency-free RFC 3986 URI toolbox Affected versions of this package are vulnerable to Improper Validation of Syntactic Correctness of Input through the normalizeIPv6 and parseWithStatus host-processing paths in lib/utils.js and index.js. An attacker can route an...