Io.quarkus.http/quarkus-http-core: quarkus http cookie smuggling

Description

A flaw was found in Quarkus-HTTP, which incorrectly parses cookies with certain value-delimiting characters in incoming requests. This issue could allow an attacker to construct a cookie value to exfiltrate HttpOnly cookie values or spoof arbitrary additional cookie values, leading to unauthorized data access or modification. The main threat from this flaw impacts data confidentiality and integrity.

Timeline

Scores

EPSS (exploitation in 30 days)

0.93% · top 39% of all CVEs (7 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: no · Technical impact: total

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.4.

Weakness

• CWE-444: Inconsistent Interpretation of HTTP Requests (opens in a new tab)All about CWE-444 and its CVEs

Affected products

• quarkus-http

  • affected < 5.3.4

• Red Hat · Cryostat 4 on RHEL 9

  • unaffected 0.5.0-6 – < *

• Red Hat · Cryostat 4 on RHEL 9

  • unaffected 4.0.0-7 – < *

• Red Hat · Cryostat 4 on RHEL 9

  • unaffected 4.0.0-7 – < *

• Red Hat · Cryostat 4 on RHEL 9

  • unaffected 4.0.0-7 – < *

• Red Hat · Cryostat 4 on RHEL 9

  • unaffected 4.0.0-7 – < *

• Red Hat · Cryostat 4 on RHEL 9

  • unaffected 4.0.0-7 – < *

• Red Hat · Cryostat 4 on RHEL 9

  • unaffected 4.0.0-7 – < *

• Red Hat · Cryostat 4 on RHEL 9

  • unaffected 4.0.0-7 – < *

• Red Hat · Cryostat 4 on RHEL 9

  • unaffected 4.0.0-7 – < *

• Red Hat · Cryostat 4 on RHEL 9

  • unaffected 4.0.0-7 – < *

• Red Hat · Cryostat 4 on RHEL 9

  • unaffected 4.0.0-7 – < *

• Red Hat · HawtIO HawtIO 4.2.0

  All versions: unaffected

• Red Hat · Red Hat Build of Keycloak

  All versions: unaffected

• Red Hat · Red Hat build of Keycloak 26.2

  • unaffected 26.2.4-2 – < *

• Red Hat · Red Hat build of Keycloak 26.2

  • unaffected 26.2-3 – < *

• Red Hat · Red Hat build of Keycloak 26.2

  • unaffected 26.2-3 – < *

• Red Hat · Red Hat build of Quarkus 3.15.3

  All versions: unaffected

• Red Hat · Cryostat 3

  All versions: affected

• Red Hat · Red Hat build of Apache Camel 4 for Quarkus 3

  All versions: affected

• Red Hat · Red Hat build of Apache Camel 4 for Quarkus 3

  All versions: affected

• Red Hat · Red Hat build of Apicurio Registry 2

  All versions: affected

• Red Hat · Red Hat Build of Keycloak

  All versions: affected

• Red Hat · Red Hat build of OptaPlanner 8

  All versions: affected

• Red Hat · Red Hat Fuse 7

  All versions: unknown

• Red Hat · Red Hat Integration Camel K 1

  All versions: affected

• Red Hat · Red Hat JBoss Enterprise Application Platform 8

  All versions: unaffected

• Red Hat · Red Hat JBoss Enterprise Application Platform Expansion Pack

  All versions: unaffected

• Red Hat · Red Hat Process Automation 7

  All versions: affected

• Red Hat · streams for Apache Kafka

  All versions: affected

Affected packages

From reviewed advisories of the GitHub Advisory Database.

• Mavenio.quarkus.http:quarkus-http-coreGHSA-cxrx-q234-m22m (opens in a new tab)

What to do

Workaround: Currently, no mitigation is available for this vulnerability.

References (7)

• RHBA-2025:7525 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
• RHBA-2025:7639 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
• RHSA-2025:0900 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
• RHSA-2025:3018 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
• RHSA-2025:8761 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
• https://access.redhat.com/security/cve/CVE-2024-12397 (opens in a new tab)vdb-entryx_refsource_REDHAT
• RHBZ#2331298 (opens in a new tab)issue-trackingx_refsource_REDHAT

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisory GHSA-cxrx-q234-m22m (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2024-12397](https://trackcve.app/badge/CVE-2024-12397.svg)](https://trackcve.app/cve/CVE-2024-12397)

Record last updated 5 Nov 2026, 11:45 UTC.