{"cve":"CVE-2024-12397","nvd":{"published":"2024-12-12T09:15:05.570","modified":"2026-10-20T05:16:52.853","status":"Deferred","description":"A flaw was found in Quarkus-HTTP, which incorrectly parses cookies with\ncertain value-delimiting characters in incoming requests. This issue could\nallow an attacker to construct a cookie value to exfiltrate HttpOnly cookie\nvalues or spoof arbitrary additional cookie values, leading to unauthorized\ndata access or modification. The main threat from this flaw impacts data\nconfidentiality and integrity.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","score":7.4},"cwes":["CWE-444"],"references":["https://access.redhat.com/errata/RHSA-2025:0900","https://access.redhat.com/errata/RHSA-2025:3018","https://access.redhat.com/errata/RHSA-2025:8761","https://access.redhat.com/security/cve/CVE-2024-12397","https://bugzilla.redhat.com/show_bug.cgi?id=2331298"],"products":[],"source":"nvd","synced_at":"2026-10-21T03:43:09.190223697+00:00"},"epss":{"cve":"CVE-2024-12397","score":0.00843,"percentile":0.57679,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-cxrx-q234-m22m","url":"https://osv.dev/vulnerability/GHSA-cxrx-q234-m22m","summary":"io.quarkus.http/quarkus-http-core: Quarkus HTTP Cookie Smuggling","modified":"2026-09-10T03:50:21.502166908Z","packages":[{"ecosystem":"Maven","name":"io.quarkus.http:quarkus-http-core","purl":"pkg:maven/io.quarkus.http/quarkus-http-core","ranges":["<5.3.4"],"fixed":["5.3.4"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}