{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-25223", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-01-30T14:44:47.327Z", "datePublished": "2026-02-03T21:21:40.268Z", "dateUpdated": "2026-07-15T01:16:33.370Z" }, "containers": { "cna": { "title": "Fastify's Content-Type header tab character allows body validation bypass", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-436", "lang": "en", "description": "CWE-436: Interpretation Conflict", "type": "CWE" } ] } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1" } } ], "references": [ { "name": "https://github.com/fastify/fastify/security/advisories/GHSA-jx2c-rxcm-jvmq", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/fastify/fastify/security/advisories/GHSA-jx2c-rxcm-jvmq" }, { "name": "https://github.com/fastify/fastify/commit/32d7b6add39ddf082d92579a58bea7018c5ac821", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/fastify/fastify/commit/32d7b6add39ddf082d92579a58bea7018c5ac821" }, { "name": "https://hackerone.com/reports/3464114", "tags": [ "x_refsource_MISC" ], "url": "https://hackerone.com/reports/3464114" }, { "name": "https://fastify.dev/docs/latest/Reference/Validation-and-Serialization", "tags": [ "x_refsource_MISC" ], "url": "https://fastify.dev/docs/latest/Reference/Validation-and-Serialization" }, { "name": "https://github.com/fastify/fastify/blob/759e9787b5669abf953068e42a17bffba7521348/lib/content-type-parser.js#L125", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/fastify/fastify/blob/759e9787b5669abf953068e42a17bffba7521348/lib/content-type-parser.js#L125" }, { "name": "https://github.com/fastify/fastify/blob/759e9787b5669abf953068e42a17bffba7521348/lib/validation.js#L272", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/fastify/fastify/blob/759e9787b5669abf953068e42a17bffba7521348/lib/validation.js#L272" } ], "affected": [ { "vendor": "fastify", "product": "fastify", "versions": [ { "version": "< 5.7.2", "status": "affected" } ] } ], "providerMetadata": { "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-02-03T21:21:40.268Z" }, "descriptions": [ { "lang": "en", "value": "Fastify is a fast and low overhead web framework, for Node.js. Prior to version 5.7.2, a validation bypass vulnerability exists in Fastify where request body validation schemas specified by Content-Type can be completely circumvented. By appending a tab character (\\t) followed by arbitrary content to the Content-Type header, attackers can bypass body validation while the server still processes the body as the original content type. This issue has been patched in version 5.7.2." } ], "source": { "advisory": "GHSA-jx2c-rxcm-jvmq", "discovery": "UNKNOWN" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-02-04T21:18:10.359742Z", "id": "CVE-2026-25223", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-04T21:18:16.693Z" } }, { "affected": [ { "collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": [ "cpe:/a:redhat:openshift_ai:2.16::el8" ], "defaultStatus": "affected", "packageName": "rhoai/odh-dashboard-rhel8", "product": "Red Hat OpenShift AI 2.16", "vendor": "Red Hat", "versions": [ { "lessThan": "*", "status": "unaffected", "version": "1774282136", "versionType": "rpm" } ] }, { "collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": [ "cpe:/a:redhat:openshift_ai:2.25::el9" ], "defaultStatus": "affected", "packageName": "rhoai/odh-dashboard-rhel9", "product": "Red Hat OpenShift AI 2.25", "vendor": "Red Hat", "versions": [ { "lessThan": "*", "status": "unaffected", "version": "1776742021", "versionType": "rpm" } ] }, { "collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": [ "cpe:/a:redhat:openshift_ai:2.25::el9" ], "defaultStatus": "affected", "packageName": "rhoai/odh-mod-arch-model-registry-rhel9", "product": "Red Hat OpenShift AI 2.25", "vendor": "Red Hat", "versions": [ { "lessThan": "*", "status": "unaffected", "version": "1776742141", "versionType": "rpm" } ] }, { "collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": [ "cpe:/a:redhat:openshift_devspaces:3.27::el9" ], "defaultStatus": "affected", "packageName": "devspaces/dashboard-rhel9", "product": "Red Hat OpenShift Dev Spaces 3.27", "vendor": "Red Hat", "versions": [ { "lessThan": "*", "status": "unaffected", "version": "1774476526", "versionType": "rpm" } ] }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/a:redhat:enterprise_linux_ai:3" ], "defaultStatus": "affected", "packageName": "rhelai3/bootc-cuda-rhel9", "product": "Red Hat Enterprise Linux AI (RHEL AI) 3", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/a:redhat:enterprise_linux_ai:3" ], "defaultStatus": "affected", "packageName": "rhelai3/disk-image-cuda-rhel9", "product": "Red Hat Enterprise Linux AI (RHEL AI) 3", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/a:redhat:openshift_ai" ], "defaultStatus": "affected", "packageName": "rhoai/odh-mod-arch-gen-ai-rhel9", "product": "Red Hat OpenShift AI (RHOAI)", "vendor": "Red Hat" } ], "datePublic": "2026-02-03T21:21:40.268Z", "descriptions": [ { "lang": "en", "value": "A flaw was found in Fastify, a web framework for Node.js. A remote attacker can exploit a validation bypass vulnerability by appending a tab character followed by arbitrary content to the Content-Type header. This circumvents the request body validation schemas, allowing the server to process the body as the original content type without proper validation. This could lead to unexpected data processing and potential integrity impact." } ], "metrics": [ { "other": { "content": { "namespace": "https://access.redhat.com/security/updates/classification/", "value": "Important" }, "type": "Red Hat severity rating" } }, { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1" }, "format": "CVSS" } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-179", "description": "Incorrect Behavior Order: Early Validation", "lang": "en", "type": "CWE" } ] } ], "references": [ { "tags": [ "vdb-entry", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/security/cve/CVE-2026-25223" }, { "name": "RHBZ#2436560", "tags": [ "issue-tracking", "x_refsource_REDHAT" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2436560" }, { "tags": [ "x_sadp-csaf-vex" ], "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-25223.json" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:5807" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:10184" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:6192" } ], "solutions": [ { "lang": "en", "value": "RHSA-2026:5807: Red Hat OpenShift AI 2.16" }, { "lang": "en", "value": "RHSA-2026:10184: Red Hat OpenShift AI 2.25" }, { "lang": "en", "value": "RHSA-2026:6192: Red Hat OpenShift Dev Spaces 3.27" } ], "timeline": [ { "lang": "en", "time": "2026-02-03T22:01:19.884Z", "value": "Reported to Red Hat." }, { "lang": "en", "time": "2026-02-03T21:21:40.268Z", "value": "Made public." } ], "title": "Fastify: Fastify: Validation bypass due to malformed Content-Type header leading to integrity impact", "workarounds": [ { "lang": "en", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability." } ], "x_adpType": "supplier", "x_generator": { "engine": "sadp-cli 1.0.0" }, "providerMetadata": { "orgId": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "shortName": "redhat-SADP", "dateUpdated": "2026-07-15T01:16:33.370Z" } } ] } }