CVE-2026-110008

@fastify/oauth2 is a Fastify wrapper for OAuth2 login flows. In versions 7.2.0 through 8.3.1, the state and code-verifier cookies are set without a Path attribute at a login route with two or more path segments, while the clearing step at the OAuth callback writes them with a root path, so the...

CVE-2026-110008

The @fastify/oauth2 library (versions 7.2.0 through 8.3.1 ) is vulnerable to Login CSRF because state and code-verifier cookies are set without a Path attribute on routes with multiple segments. During the OAuth callback, the clearing step uses a root path, causing the original cookies to persist...

@appweaver/core (>=1.0.0, <=1.12.2), @fzkit/oauth2-apple (>=0.0.1, <=0.1.0) +2 more potentially affected by CVE-2026-110008 via @fastify/oauth2 (>=8.1.2, <=8.3.0)

@fastify/oauth2 NPM version =8.1.2, =1.0.0, =0.0.1, =0.0.1, =0.0.1, =0.1.0 Source cves: CVE-2026-110008 Source advisory: MEND:CVE-2026-110008...

CVE-2026-110008 @fastify/oauth2 vulnerable to Login CSRF via OAuth state cookie not cleared after callback

@fastify/oauth2 is a Fastify wrapper for OAuth2 login flows. In versions 7.2.0 through 8.3.1, the state and code-verifier cookies are set without a Path attribute at a login route with two or more path segments, while the clearing step at the OAuth callback writes them with a root path, so the...

CVE-2026-110008

@fastify/oauth2 is a Fastify wrapper for OAuth2 login flows. In versions 7.2.0 through 8.3.1, the state and code-verifier cookies are set without a Path attribute at a login route with two or more path segments, while the clearing step at the OAuth callback writes them with a root path, so the...

CVE-2026-110008 @fastify/oauth2 vulnerable to Login CSRF via OAuth state cookie not cleared after callback

@fastify/oauth2 is a Fastify wrapper for OAuth2 login flows. In versions 7.2.0 through 8.3.1, the state and code-verifier cookies are set without a Path attribute at a login route with two or more path segments, while the clearing step at the OAuth callback writes them with a root path, so the...

EUVD-2026-104327

@fastify/oauth2 is a Fastify wrapper for OAuth2 login flows. In versions 7.2.0 through 8.3.1, the state and code-verifier cookies are set without a Path attribute at a login route with two or more path segments, while the clearing step at the OAuth callback writes them with a root path, so the...

CVE-2026-110008 @fastify/oauth2 vulnerable to Login CSRF via OAuth state cookie not cleared after callback

@fastify/oauth2 is a Fastify wrapper for OAuth2 login flows. In versions 7.2.0 through 8.3.1, the state and code-verifier cookies are set without a Path attribute at a login route with two or more path segments, while the clearing step at the OAuth callback writes them with a root path, so the...

PT-2026-117386

@fastify/oauth2 is a Fastify wrapper for OAuth2 login flows. In versions 7.2.0 through 8.3.1, the state and code-verifier cookies are set without a Path attribute at a login route with two or more path segments, while the clearing step at the OAuth callback writes them with a root path, so the...

CVE-2026-110008: Cross-Site Request Forgery (CSRF)

@fastify/oauth2 is a Fastify wrapper for OAuth2 login flows. In versions 7.2.0 through 8.3.1, the state and code-verifier cookies are set without a Path attribute at a login route with two or more path segments, while the clearing step at the OAuth callback writes them with a root path, so the...

@fastify/oauth2 Cross-Site Request Forgery Vulnerability

The @fastify/oauth2 version from 7.2.0 to 8.3.1 has security vulnerabilities. This vulnerability arises from not specifying the Path attribute when setting the state and code-verifier cookies for login routes. As a result, when OAuth callbacks clear these cookies, the original cookies remain afte...

CVE-2026-18165

A flaw was found in @fastify/oauth2, an OAuth 2.0 plugin for Fastify. This vulnerability allows a remote attacker to perform a Login Cross-Site Request Forgery CSRF attack. By planting predictable OAuth state and code verifier cookies, an attacker can trick a victim's browser into completing an...

@appweaver/core (>=1.0.0, <=1.6.1), @bryopsida/object-store (>=0.1.0, <=0.1.7) +11 more potentially affected by CVE-2026-18165 via @fastify/oauth2 (>=7.9.0, <=8.2.0)

@fastify/oauth2 NPM version =7.9.0, =1.0.0, =0.1.0, =0.0.1, =0.0.1, =0.0.1, =0.0.1, =0.0.1, =0.13.0, =1.4.30, =1.2.0, =0.0.14, =0.0.19 Source cves: CVE-2026-18165 Source advisory: SNYK:JS-FASTIFYOAUTH2-18902506...

Cross-site Request Forgery (CSRF)

Overview @fastify/oauth2 is a Perform login using oauth2 protocol Affected versions of this package are vulnerable to Cross-site Request Forgery CSRF due to the OAuth state-check cookies in the index.js authorization flow. An attacker can log a victim into the attacker’s account by planting...

CVE-2026-18165

@fastify/oauth2 is an OAuth 2.0 plugin for Fastify. In versions from 7.2.0 up to but not including 8.3.0, the plugin validates the OAuth state, and with PKCE the code verifier, by comparing the callback query parameter against an unprefixed, predictable cookie, with no server-side binding to the...

EUVD-2026-59767

@fastify/oauth2 is an OAuth 2.0 plugin for Fastify. In versions from 7.2.0 up to but not including 8.3.0, the plugin validates the OAuth state, and with PKCE the code verifier, by comparing the callback query parameter against an unprefixed, predictable cookie, with no server-side binding to the...

CVE-2026-18165 @fastify/oauth2 vulnerable to Login CSRF via plantable OAuth state cookies

@fastify/oauth2 is an OAuth 2.0 plugin for Fastify. In versions from 7.2.0 up to but not including 8.3.0, the plugin validates the OAuth state, and with PKCE the code verifier, by comparing the callback query parameter against an unprefixed, predictable cookie, with no server-side binding to the...

CVE-2026-18165

@fastify/oauth2 is an OAuth 2.0 plugin for Fastify. In versions from 7.2.0 up to but not including 8.3.0, the plugin validates the OAuth state, and with PKCE the code verifier, by comparing the callback query parameter against an unprefixed, predictable cookie, with no server-side binding to the...

CVE-2026-18165

@fastify/oauth2 is an OAuth 2.0 plugin for Fastify. In versions from 7.2.0 up to but not including 8.3.0, the plugin validates the OAuth state, and with PKCE the code verifier, by comparing the callback query parameter against an unprefixed, predictable cookie, with no server-side binding to the...

@appweaver/core (>=1.0.0, <=1.6.1), @bryopsida/object-store (>=0.1.0, <=0.1.7) +11 more potentially affected by CVE-2026-18165 via @fastify/oauth2 (>=7.9.0, <=8.2.0)

@fastify/oauth2 NPM version =7.9.0, =1.0.0, =0.1.0, =0.0.1, =0.0.1, =0.0.1, =0.0.1, =0.0.1, =0.13.0, =1.4.30, =1.2.0, =0.0.14, =0.0.19 Source cves: CVE-2026-18165 Source advisory: MEND:CVE-2026-18165...