CVE-2026-27192

Feathersjs is a framework for creating web APIs and real-time applications with TypeScript or JavaScript. In versions 5.0.39 and below, origin validation uses startsWith for comparison, allowing attackers to bypass the check by registering a domain that shares a common prefix with an allowed...

CVE-2026-27192 Feathers has an origin validation bypass via prefix matching

Feathersjs is a framework for creating web APIs and real-time applications with TypeScript or JavaScript. In versions 5.0.39 and below, origin validation uses startsWith for comparison, allowing attackers to bypass the check by registering a domain that shares a common prefix with an allowed...

CVE-2026-27192

Feathersjs vulnerability CVE-2026-27192 affects 5.0.39 and earlier. The origin validation in getAllowedOrigin() uses startsWith() to compare Referer against allowed origins, which can be bypassed by registering a domain with a shared prefix (e.g., https://target.com.attacker.com vs https://target...

@ir-engine/server-core (1.6.0), @ir-engine/taskserver (1.6.0) +4 more potentially affected by CVE-2026-27192 via @feathersjs/authentication-oauth (>=5.0.0-pre.10, <=5.0.12)

@feathersjs/authentication-oauth NPM version =5.0.0-pre.10, =2.0.4, =0.5.0, =0.5.4, =0.0.1, =2.0.4 Source cves: CVE-2026-27192 Source advisory: SNYK:JS-FEATHERSJSAUTHENTICATIONOAUTH-15325871...

@ir-engine/server-core (1.6.0), @ir-engine/taskserver (1.6.0) +4 more potentially affected by CVE-2026-27192 via @feathersjs/authentication-oauth (>=5.0.0-pre.10, <=5.0.12)

@feathersjs/authentication-oauth NPM version =5.0.0-pre.10, =2.0.4, =0.5.0, =0.5.4, =0.0.1, =2.0.4 Source cves: CVE-2026-27192 Source advisory: OSV:GHSA-MP4X-C34X-WV3X...