POC-CVE-2026-32621-Apollo-Federation-XSS-Vulnerability

CVE-2026-32621 - Apollo Federation Prototype Pollution PoC Overview Field| Value ---|--- CVE| CVE-2026-32621 CVSS| 9.9 Critical CWE| CWE-1321 Prototype Pollution Affected| Apollo Federation 2.9.6, 2.10.5, 2.11.6, 2.12.3, 2.13.2 Patched| 2.9.6, 2.10.5, 2.11.6, 2.12.3, 2.13.2 GHSA|...

Exploit for CVE-2026-32621

CVE-2026-32621 - Apollo Federation Prototype Pollution PoC...

Improper Access Control

Apollo Federation is vulnerable to improper access control. The vulnerability is due to improper enforcement of user-defined access control directives on interface types and fields, which allows an attacker to bypass access restrictions by querying implementing object types and fields through...

CVE-2026-32621

Apollo Federation is an architecture for declaratively composing APIs into a unified graph. Prior to 2.9.6, 2.10.5, 2.11.6, 2.12.3, and 2.13.2, a vulnerability exists in query plan execution within the gateway that may allow pollution of Object.prototype in certain scenarios. A malicious client m...

CVE-2026-32621

Apollo Federation is an architecture for declaratively composing APIs into a unified graph. Prior to 2.9.6, 2.10.5, 2.11.6, 2.12.3, and 2.13.2, a vulnerability exists in query plan execution within the gateway that may allow pollution of Object.prototype in certain scenarios. A malicious client m...

Apollo Federation 安全漏洞

Apollo Federation is an architecture in the Apollo community that combines APIs into a unified graph through declarative methods. Vulnerabilities exist in versions of Apollo Federation before 2.9.6, 2.10.5, 2.11.6, 2.12.3, and 2.13.2. These vulnerabilities stem from vulnerabilities in the query...

CVE-2026-32621: Improperly Controlled Modification of Object Prototype Attributes

Apollo Federation is an architecture for declaratively composing APIs into a unified graph. Prior to 2.9.6, 2.10.5, 2.11.6, 2.12.3, and 2.13.2, a vulnerability exists in query plan execution within the gateway that may allow pollution of Object.prototype in certain scenarios. A malicious client m...

@apollo/composition (>=2.11.0-preview.0, <=2.11.5), @apollo/gateway (>=2.11.0-preview.0, <=2.11.5) +5 more potentially affected by CVE-2026-32621 via @apollo/federation-internals (>=2.11.0, <=2.11.5-preview.1)

@apollo/federation-internals NPM version =2.11.0, =2.11.0-preview.0, =2.11.0-preview.0, =2.11.0-preview.0, =2.11.0-preview.0, =2.11.0-preview.0, =11.1.14, =11.2.0 Source cves: CVE-2026-32621 Source advisory: SNYK:JS-APOLLOFEDERATIONINTERNALS-15612462...

EUVD-2026-12135

Apollo Federation vulnerable to prototype pollution via incomplete key sanitization...

@adobe-apimesh/mesh-builder (1.4.0-beta.5), @apollo/composition (>=2.3.0-beta.2, <=2.9.5) +19 more potentially affected by CVE-2026-32621 via @apollo/federation-internals (>=2.3.0, <=2.9.5)

@apollo/federation-internals NPM version =2.3.0, =2.3.0-beta.2, =2.3.0-beta.2, =2.3.0-beta.2, =2.3.0-beta.2, =2.3.0-beta.2, =3.0.0-beta.1, =3.0.0-beta.0, =0.13.8-alpha-20230126151930-d229ec52b, =0.10.7-alpha-20230126151930-d229ec52b, =0.0.1, =9.2.0, =3.11.1, =2.8.54, =0.0.0-preview-20230314213245...

@apollo/composition (>=2.12.0-preview.0, <=2.12.2), @apollo/gateway (>=2.12.0-preview.0, <=2.12.2) +5 more potentially affected by CVE-2026-32621 via @apollo/federation-internals (>=2.12.0, <=2.12.2)

@apollo/federation-internals NPM version =2.12.0, =2.12.0-preview.0, =2.12.0-preview.0, =2.12.0-preview.0, =2.12.0-preview.0, =2.12.0-preview.0, =11.3.0, =1.0.0, =1.0.13 Source cves: CVE-2026-32621 Source advisory: OSV:GHSA-PFJJ-6F4P-RVMH...

Apollo Federation vulnerable to prototype pollution via incomplete key sanitization

Impact A vulnerability exists in query plan execution within the gateway that may allow pollution of Object.prototype in certain scenarios. A malicious client may be able to pollute Object.prototype in gateway directly by crafting operations with field aliases and/or variable names that target...

GHSA-PFJJ-6F4P-RVMH Apollo Federation vulnerable to prototype pollution via incomplete key sanitization

Impact A vulnerability exists in query plan execution within the gateway that may allow pollution of Object.prototype in certain scenarios. A malicious client may be able to pollute Object.prototype in gateway directly by crafting operations with field aliases and/or variable names that target...

@apollo/composition (>=2.13.0-preview.0, <=2.13.1), @apollo/gateway (>=2.13.0-preview.0, <=2.13.1) +4 more potentially affected by CVE-2026-32621 via @apollo/federation-internals (>=2.13.0, <=2.13.1)

@apollo/federation-internals NPM version =2.13.0, =2.13.0-preview.0, =2.13.0-preview.0, =2.13.0-preview.0, =2.13.0-preview.0, =2.13.0-preview.0, =0.0.0, =0.0.2-alpha-20260313130016-7fe861602b61cb29c75e6d7e84eae979268037af Source cves: CVE-2026-32621 Source advisory:...

Prototype Pollution

Overview @apollo/federation-internals is an Apollo Federation internal utilities Affected versions of this package are vulnerable to Prototype Pollution through incomplete sanitization of input in the query plan execution. An attacker can manipulate the Object.prototype in the gateway by crafting...

@apollo/composition (>=2.10.0-alpha.0, <=2.10.4), @apollo/gateway (>=2.10.0-alpha.0, <=2.10.4) +6 more potentially affected by CVE-2026-32621 via @apollo/federation-internals (>=2.10.0, <=2.10.4)

@apollo/federation-internals NPM version =2.10.0, =2.10.0-alpha.0, =2.10.0-alpha.0, =2.10.0-alpha.0, =2.10.0-alpha.0, =2.10.0-alpha.0, =10.8.3, =11.1.13 - @pothos-examples/federation 3.1.13 - @pothos-examples/prisma-federation 3.1.24 Source cves: CVE-2026-32621 Source advisory:...

@apollo/composition (>=2.12.0-preview.0, <=2.12.2), @apollo/gateway (>=2.12.0-preview.0, <=2.12.2) +5 more potentially affected by CVE-2026-32621 via @apollo/federation-internals (>=2.12.0, <=2.12.2)

@apollo/federation-internals NPM version =2.12.0, =2.12.0-preview.0, =2.12.0-preview.0, =2.12.0-preview.0, =2.12.0-preview.0, =2.12.0-preview.0, =11.3.0, =1.0.0, =1.0.13 Source cves: CVE-2026-32621 Source advisory: SNYK:JS-APOLLOFEDERATIONINTERNALS-15612462...

@adobe-apimesh/mesh-builder (1.4.0-beta.5), @apollo/composition (>=2.3.0-beta.2, <=2.9.5) +19 more potentially affected by CVE-2026-32621 via @apollo/federation-internals (>=2.3.0, <=2.9.5)

@apollo/federation-internals NPM version =2.3.0, =2.3.0-beta.2, =2.3.0-beta.2, =2.3.0-beta.2, =2.3.0-beta.2, =2.3.0-beta.2, =3.0.0-beta.1, =3.0.0-beta.0, =0.13.8-alpha-20230126151930-d229ec52b, =0.10.7-alpha-20230126151930-d229ec52b, =0.0.1, =9.2.0, =3.11.1, =2.8.54, =0.0.0-preview-20230314213245...

@apollo/composition (>=2.11.0-preview.0, <=2.11.5), @apollo/gateway (>=2.11.0-preview.0, <=2.11.5) +5 more potentially affected by CVE-2026-32621 via @apollo/federation-internals (>=2.11.0, <=2.11.5-preview.1)

@apollo/federation-internals NPM version =2.11.0, =2.11.0-preview.0, =2.11.0-preview.0, =2.11.0-preview.0, =2.11.0-preview.0, =2.11.0-preview.0, =11.1.14, =11.2.0 Source cves: CVE-2026-32621 Source advisory: OSV:GHSA-PFJJ-6F4P-RVMH...

@apollo/gateway (>=2.12.0-preview.0, <=2.12.2), @lenne.tech/nest-server (>=11.3.0, <=11.5.0) potentially affected by CVE-2026-32621 via @apollo/query-planner (>=2.12.0, <=2.12.2)

@apollo/query-planner NPM version =2.12.0, =2.12.0-preview.0, =11.3.0, =11.5.0 Source cves: CVE-2026-32621 Source advisory: SNYK:JS-APOLLOQUERYPLANNER-15612460...