{"id":44552,"date":"2026-04-12T03:50:16","date_gmt":"2026-04-12T03:50:16","guid":{"rendered":"http:\/\/localhost\/?p=44552"},"modified":"2026-04-12T03:50:16","modified_gmt":"2026-04-12T03:50:16","slug":"parse-server-graphql-api-endpoint-ignores-cors-origin-restriction","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=44552","title":{"rendered":"Parse Server: GraphQL API endpoint ignores CORS origin restriction_CVE-2026-34373"},"content":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.66 and 9.7.0-alpha.10, the GraphQL API endpoint does not respect the allowOrigin server option and unconditionally allows cross-origin requests from any website. This bypasses origin restrictions that operators configure to control which websites can interact with the Parse Server API. 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This issue has been patched in versions 8.6.66 and 9.7.0-alpha.10.&#8221;,&#8221;published&#8221;:&#8221;2026-03-31T14:38:16.746Z&#8221;,&#8221;modified&#8221;:&#8221;2026-03-31T17:23:43.697Z&#8221;,&#8221;type&#8221;:&#8221;cve&#8221;,&#8221;title&#8221;:&#8221;Parse Server: GraphQL API endpoint ignores CORS origin restriction&#8221;,&#8221;source&#8221;:&#8221;GitHub_M&#8221;,&#8221;references&#8221;:&#8221;https:\/\/github.com\/parse-community\/parse-server\/security\/advisories\/GHSA-q3p6-g7c4-829c\\nhttps:\/\/github.com\/parse-community\/parse-server\/pull\/10334\\nhttps:\/\/github.com\/parse-community\/parse-server\/pull\/10335\\nhttps:\/\/github.com\/parse-community\/parse-server\/commit\/0347641507891d0013ec57f7c10f012064f41263\\nhttps:\/\/github.com\/parse-community\/parse-server\/commit\/4dd0d3d8be1c39664c74ad10bb0abaa76bc41203&#8243;,&#8221;id&#8221;:&#8221;CVE-2026-34373&#8243;,&#8221;bulletinFamily&#8221;:&#8221;&#8221;,&#8221;cwe&#8221;:[&#8220;CWE-346&#8243;],&#8221;cvelist&#8221;:null,&#8221;sourceData&#8221;:&#8221;parse-community parse-server \\u003c 8.6.66\\nparse-community parse-server \\u003e= 9.0.0, \\u003c 9.7.0-alpha.10&#8243;,&#8221;sourceHref&#8221;:&#8221;&#8221;,&#8221;cvss&#8221;:{&#8220;score&#8221;:5.3,&#8221;severity&#8221;:&#8221;MEDIUM&#8221;,&#8221;vector&#8221;:&#8221;CVSS:4.0\/AV:N\/AC:L\/AT:N\/PR:N\/UI:P\/VC:N\/VI:N\/VA:N\/SC:L\/SI:N\/SA:N&#8221;,&#8221;version&#8221;:&#8221;4.0&#8243;},&#8221;cvss2&#8243;:{},&#8221;cvss3&#8243;:{&#8220;version&#8221;:&#8221;&#8221;,&#8221;vectorString&#8221;:&#8221;&#8221;,&#8221;baseScore&#8221;:0,&#8221;baseSeverity&#8221;:&#8221;&#8221;,&#8221;attackVector&#8221;:&#8221;&#8221;,&#8221;attackComplexity&#8221;:&#8221;&#8221;,&#8221;privilegesRequired&#8221;:&#8221;&#8221;,&#8221;userInteraction&#8221;:&#8221;&#8221;,&#8221;scope&#8221;:&#8221;&#8221;,&#8221;confidentialityImpact&#8221;:&#8221;&#8221;,&#8221;integrityImpact&#8221;:&#8221;&#8221;,&#8221;availabilityImpact&#8221;:&#8221;&#8221;,&#8221;cvssV3&#8243;:{&#8220;version&#8221;:&#8221;&#8221;,&#8221;vectorString&#8221;:&#8221;&#8221;,&#8221;baseScore&#8221;:0,&#8221;baseSeverity&#8221;:&#8221;&#8221;,&#8221;attackVector&#8221;:&#8221;&#8221;,&#8221;attackComplexity&#8221;:&#8221;&#8221;,&#8221;privilegesRequired&#8221;:&#8221;&#8221;,&#8221;userInteraction&#8221;:&#8221;&#8221;,&#8221;scope&#8221;:&#8221;&#8221;,&#8221;confidentialityImpact&#8221;:&#8221;&#8221;,&#8221;integrityImpact&#8221;:&#8221;&#8221;,&#8221;availabilityImpact&#8221;:&#8221;&#8221;}},&#8221;href&#8221;:&#8221;&#8221;,&#8221;category_name&#8221;:&#8221;CVE&#8221;,&#8221;post_link&#8221;:&#8221;&#8221;,&#8221;product&#8221;:&#8221;parse-server&#8221;,&#8221;version&#8221;:&#8221;\\u003c 8.6.66&#8243;,&#8221;vendor&#8221;:&#8221;parse-community&#8221;,&#8221;ai_description&#8221;:&#8221;&#8221;,&#8221;ai_severity&#8221;:&#8221;&#8221;,&#8221;ai_vendor&#8221;:&#8221;&#8221;,&#8221;ai_product&#8221;:&#8221;&#8221;,&#8221;ai_version&#8221;:&#8221;&#8221;,&#8221;ai_score&#8221;:0}<\/p>\n","protected":false},"excerpt":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. 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