{"id":"EUVD-2026-95116","enisaUuid":"e3704a5a-c5d5-3da6-a7da-a2c1a1c72ff2","description":"JHipster is a development platform to quickly generate, develop, and deploy modern web applications and microservice architectures. Prior to generator-jhipster 9.4.0 and react-jhipster 1.1.0, generated applications can persist attacker-controlled Blob data and companion ContentType values, return them through generated REST endpoints, and pass them to the generated openFile helper in generators/client/generators/common/templates/src/main/webapp/app/shared/jhipster/data-utils.ts.ejs. The helper uses the returned ContentType as the browser Blob MIME type and opens an object URL, so a normal authenticated user with write access to a Blob-bearing entity can store active HTML or SVG content that may execute under the application origin when a privileged user opens it. Exploitability depends on the generated application\u0027s content security policy and target-browser Blob behavior. This issue is fixed in generator-jhipster 9.4.0 and react-jhipster 1.1.0.","datePublished":"Oct 8, 2026, 5:23:04 PM","dateUpdated":"Oct 9, 2026, 11:41:09 AM","baseScore":7.6,"baseScoreVersion":"3.1","baseScoreVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N","references":"https://github.com/jhipster/generator-jhipster/security/advisories/GHSA-9ffp-22j7-56r2\nhttps://github.com/jhipster/generator-jhipster/pull/34807\nhttps://github.com/jhipster/generator-jhipster/commit/efe95edd4dedc3379735094936439410a51ce3d9\nhttps://github.com/jhipster/generator-jhipster/releases/tag/v9.4.0\n","aliases":"CVE-2026-107303\nGHSA-9ffp-22j7-56r2\n","assigner":"GitHub_M","epss":0.26,"enisaIdProduct":[{"id":"285b515d-0807-35fa-92c0-9a99997e3ea0","product":{"name":"react-jhipster","vendor":{"name":"jhipster"}},"product_version":"\u003c 1.1.0"},{"id":"2cd5cd8c-abf4-360a-8a54-a8ad620f8841","product":{"name":"generator-jhipster","vendor":{"name":"jhipster"}},"product_version":"\u003c 9.4.0"}],"enisaIdVendor":[{"id":"7ccf79f8-a709-36ca-a388-92983ed5e783","vendor":{"name":"jhipster"}}],"enisaIdVulnerability":[{"id":"e3c0cd4c-55cd-3675-9c2a-3bb5163db0ad","vulnerability":{"id":"CVE-2026-107303","description":"JHipster is a development platform to quickly generate, develop, and deploy modern web applications and microservice architectures. Prior to generator-jhipster 9.4.0 and react-jhipster 1.1.0, generated applications can persist attacker-controlled Blob data and companion ContentType values, return them through generated REST endpoints, and pass them to the generated openFile helper in generators/client/generators/common/templates/src/main/webapp/app/shared/jhipster/data-utils.ts.ejs. The helper uses the returned ContentType as the browser Blob MIME type and opens an object URL, so a normal authenticated user with write access to a Blob-bearing entity can store active HTML or SVG content that may execute under the application origin when a privileged user opens it. Exploitability depends on the generated application\u0027s content security policy and target-browser Blob behavior. This issue is fixed in generator-jhipster 9.4.0 and react-jhipster 1.1.0.","datePublished":"Oct 8, 2026, 5:23:04 PM","dateUpdated":"Oct 9, 2026, 11:41:09 AM","status":"PUBLISHED","baseScore":7.6,"baseScoreVersion":"3.1","baseScoreVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N","references":"https://github.com/jhipster/generator-jhipster/security/advisories/GHSA-9ffp-22j7-56r2\nhttps://github.com/jhipster/generator-jhipster/pull/34807\nhttps://github.com/jhipster/generator-jhipster/commit/efe95edd4dedc3379735094936439410a51ce3d9\nhttps://github.com/jhipster/generator-jhipster/releases/tag/v9.4.0\n","enisa_id":"EUVD-2026-95116\n","assigner":"GitHub_M","epss":0.26,"dataProcessed":"Oct 29, 2026, 7:16:26 AM","vulnerabilityProduct":[{"id":"69cb0a1d-7bb7-31d4-8ead-3a5656723096","product":{"name":"generator-jhipster","vendor":{"name":"jhipster"}},"product_version":"\u003c 9.4.0"},{"id":"fae6d4e9-f825-3145-a5e9-ab056433682b","product":{"name":"react-jhipster","vendor":{"name":"jhipster"}},"product_version":"\u003c 1.1.0"}],"vulnerabilityVendor":[{"id":"1c3eb82a-dd1d-34e1-951c-462e75467c3f","vendor":{"name":"jhipster"}}]}},{"id":"fb43704b-7d6e-3a23-a4cf-42c0f7d1fb83","vulnerability":{"id":"GHSA-9ffp-22j7-56r2","description":"JHipster: Generated Applications Allow Stored XSS via Unrestricted Blob ContentType Opened as Same-Origin Blob","datePublished":"Oct 8, 2026, 5:40:29 PM","dateUpdated":"Oct 8, 2026, 5:40:29 PM","baseScore":0.0,"references":"https://github.com/jhipster/generator-jhipster/security/advisories/GHSA-9ffp-22j7-56r2\nhttps://github.com/jhipster/generator-jhipster/pull/34807\nhttps://github.com/jhipster/generator-jhipster/commit/efe95edd4dedc3379735094936439410a51ce3d9\nhttps://github.com/jhipster/generator-jhipster\nhttps://github.com/jhipster/generator-jhipster/releases/tag/v9.4.0\n","enisa_id":"EUVD-2026-95116\n","aliases":"CVE-2026-107303\nGHSA-9ffp-22j7-56r2\n","epss":0.0,"dataProcessed":"Oct 25, 2026, 2:02:26 AM","vulnerabilityProduct":[],"vulnerabilityVendor":[]}}],"enisaIdAdvisory":[]}