{"id":"EUVD-2026-38329","enisaUuid":"037a9431-5621-3a2f-8c72-1cfbbd48d9a2","description":"Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.25, with credentials: true and no explicit origin (the default wildcard), the CORS Middleware reflects the request\u0027s Origin and sends Access-Control-Allow-Credentials: true. Any site can then make credentialed cross-origin requests and read the responses, exposing cookie-authenticated endpoints to arbitrary origins. This vulnerability is fixed in 4.12.25.","datePublished":"Jun 22, 2026, 5:15:35 PM","dateUpdated":"Jun 22, 2026, 5:26:12 PM","baseScore":7.1,"baseScoreVersion":"3.1","baseScoreVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N","references":"https://github.com/honojs/hono/security/advisories/GHSA-88fw-hqm2-52qc\n","aliases":"CVE-2026-54290\nGHSA-88fw-hqm2-52qc\n","assigner":"GitHub_M","epss":0.33,"enisaIdProduct":[{"id":"98a1ecb8-60e1-3b4c-a026-04b1d06f7303","product":{"name":"hono","vendor":{"name":"honojs"}},"product_version":"\u003c 4.12.25"}],"enisaIdVendor":[{"id":"75561b9d-ba43-3abe-b878-5959eef3062e","vendor":{"name":"honojs"}}],"enisaIdVulnerability":[{"id":"c98e8cf8-8aa4-3e4b-bdf0-cf7e8e9f0368","vulnerability":{"id":"GHSA-88fw-hqm2-52qc","description":"hono: CORS Middleware reflects any Origin with credentials when `origin` defaults to the wildcard","datePublished":"Jun 16, 2026, 2:15:39 PM","dateUpdated":"Jul 21, 2026, 3:27:03 PM","baseScore":0.0,"references":"https://github.com/honojs/hono/security/advisories/GHSA-88fw-hqm2-52qc\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-54290\nhttps://github.com/honojs/hono\n","enisa_id":"EUVD-2026-38329\n","aliases":"CVE-2026-54290\nGHSA-88fw-hqm2-52qc\n","epss":0.0,"dataProcessed":"Oct 25, 2026, 1:57:08 AM","vulnerabilityProduct":[],"vulnerabilityVendor":[]}},{"id":"da6366a0-7205-375d-9ab2-c274faea7b8b","vulnerability":{"id":"CVE-2026-54290","description":"Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.25, with credentials: true and no explicit origin (the default wildcard), the CORS Middleware reflects the request\u0027s Origin and sends Access-Control-Allow-Credentials: true. Any site can then make credentialed cross-origin requests and read the responses, exposing cookie-authenticated endpoints to arbitrary origins. This vulnerability is fixed in 4.12.25.","datePublished":"Jun 22, 2026, 5:15:35 PM","dateUpdated":"Jun 22, 2026, 5:26:12 PM","status":"PUBLISHED","baseScore":7.1,"baseScoreVersion":"3.1","baseScoreVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N","references":"https://github.com/honojs/hono/security/advisories/GHSA-88fw-hqm2-52qc\n","enisa_id":"EUVD-2026-38329\n","assigner":"GitHub_M","epss":0.33,"dataProcessed":"Oct 28, 2026, 7:16:10 AM","vulnerabilityProduct":[{"id":"6b21ef41-e981-3ce9-8428-dc7216b92f28","product":{"name":"hono","vendor":{"name":"honojs"}},"product_version":"\u003c 4.12.25"}],"vulnerabilityVendor":[{"id":"b4082505-62c6-354e-a364-45a11b64a4f1","vendor":{"name":"honojs"}}]}}],"enisaIdAdvisory":[]}