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CVE-2026-33806

Impact: Fastify applications using schema.body.content for per-content-type body validation can have validation bypassed entirely by prepending a space to the Content-Type header. The body is still parsed correctly but schema validation is skipped. This is a regression introduced in fastify >= 5.3.2 by the fix for CVE-2025-32442 Patches: Upgrade to fastify v5.8.5 or later. Workarounds: None. Upgrade to the patched version.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:36368eb15d8922ba2902d10f38f25be363c8fcc07154f777b6460b50a4db7869
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
3

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 10 assertions

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift_ai"],"defaultStatus":"unaffected","packageName":"rhoai/odh-dashboard-rhel8","product":"Red Hat OpenShift AI (RHOAI)","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4210d1ea27c77a3faac0f8a4e7830f73c6ff19b07367bdaac2e3d79f6d658431 · sha256:8467a99c741ec867… · /containers/adp/1/affected/3

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift_ai"],"defaultStatus":"unaffected","packageName":"rhoai/odh-mod-arch-gen-ai-rhel9","product":"Red Hat OpenShift AI (RHOAI)","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4210d1ea27c77a3faac0f8a4e7830f73c6ff19b07367bdaac2e3d79f6d658431 · sha256:8467a99c741ec867… · /containers/adp/1/affected/5

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux_ai:3"],"defaultStatus":"unaffected","packageName":"rhelai3/bootc-rocm-rhel9","product":"Red Hat Enterprise Linux AI (RHEL AI) 3","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4210d1ea27c77a3faac0f8a4e7830f73c6ff19b07367bdaac2e3d79f6d658431 · sha256:8467a99c741ec867… · /containers/adp/1/affected/1

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux_ai:3"],"defaultStatus":"unaffected","packageName":"rhelai3/disk-image-cuda-rhel9","product":"Red Hat Enterprise Linux AI (RHEL AI) 3","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4210d1ea27c77a3faac0f8a4e7830f73c6ff19b07367bdaac2e3d79f6d658431 · sha256:8467a99c741ec867… · /containers/adp/1/affected/2

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift_devspaces:3"],"defaultStatus":"unaffected","packageName":"devspaces/dashboard-rhel9","product":"Red Hat OpenShift Dev Spaces","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4210d1ea27c77a3faac0f8a4e7830f73c6ff19b07367bdaac2e3d79f6d658431 · sha256:8467a99c741ec867… · /containers/adp/1/affected/8

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift_ai"],"defaultStatus":"unaffected","packageName":"rhoai/odh-mod-arch-model-registry-rhel9","product":"Red Hat OpenShift AI (RHOAI)","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4210d1ea27c77a3faac0f8a4e7830f73c6ff19b07367bdaac2e3d79f6d658431 · sha256:8467a99c741ec867… · /containers/adp/1/affected/7

{"defaultStatus":"unaffected","packageURL":"pkg:npm/fastify","product":"fastify","vendor":"fastify","versions":[{"lessThan":"5.8.5","status":"affected","version":"5.3.2","versionType":"semver"},{"status":"unaffected","version":"5.8.5","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4210d1ea27c77a3faac0f8a4e7830f73c6ff19b07367bdaac2e3d79f6d658431 · sha256:8467a99c741ec867… · /containers/cna/affected/0

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift_ai"],"defaultStatus":"unaffected","packageName":"rhoai/odh-mod-arch-maas-rhel9","product":"Red Hat OpenShift AI (RHOAI)","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4210d1ea27c77a3faac0f8a4e7830f73c6ff19b07367bdaac2e3d79f6d658431 · sha256:8467a99c741ec867… · /containers/adp/1/affected/6

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux_ai:3"],"defaultStatus":"unaffected","packageName":"rhelai3/bootc-cuda-rhel9","product":"Red Hat Enterprise Linux AI (RHEL AI) 3","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4210d1ea27c77a3faac0f8a4e7830f73c6ff19b07367bdaac2e3d79f6d658431 · sha256:8467a99c741ec867… · /containers/adp/1/affected/0

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift_ai"],"defaultStatus":"unaffected","packageName":"rhoai/odh-dashboard-rhel9","product":"Red Hat OpenShift AI (RHOAI)","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4210d1ea27c77a3faac0f8a4e7830f73c6ff19b07367bdaac2e3d79f6d658431 · sha256:8467a99c741ec867… · /containers/adp/1/affected/4
cvss · 2 assertions

{"metric":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4210d1ea27c77a3faac0f8a4e7830f73c6ff19b07367bdaac2e3d79f6d658431 · sha256:8467a99c741ec867… · /containers/cna/metrics/0/cvssV3_1

{"metric":{"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"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4210d1ea27c77a3faac0f8a4e7830f73c6ff19b07367bdaac2e3d79f6d658431 · sha256:8467a99c741ec867… · /containers/adp/1/metrics/1/cvssV3_1
cwe · 2 assertions

{"cweId":"CWE-1289","description":"Improper Validation of Unsafe Equivalence in Input","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4210d1ea27c77a3faac0f8a4e7830f73c6ff19b07367bdaac2e3d79f6d658431 · sha256:8467a99c741ec867… · /containers/adp/1/problemTypes/0/descriptions/0

{"cweId":"CWE-1287","description":"CWE-1287: Improper Validation of Specified Type of Input","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4210d1ea27c77a3faac0f8a4e7830f73c6ff19b07367bdaac2e3d79f6d658431 · sha256:8467a99c741ec867… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

10 source assertions
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift_ai"],"defaultStatus":"unaffected","packageName":"rhoai/odh-dashboard-rhel8","product":"Red Hat OpenShift AI (RHOAI)","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4210d1ea27c77a3faac0f8a4e7830f73c6ff19b07367bdaac2e3d79f6d658431 · sha256:8467a99c741ec867… · /containers/adp/1/affected/3
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift_ai"],"defaultStatus":"unaffected","packageName":"rhoai/odh-mod-arch-gen-ai-rhel9","product":"Red Hat OpenShift AI (RHOAI)","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4210d1ea27c77a3faac0f8a4e7830f73c6ff19b07367bdaac2e3d79f6d658431 · sha256:8467a99c741ec867… · /containers/adp/1/affected/5
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux_ai:3"],"defaultStatus":"unaffected","packageName":"rhelai3/bootc-rocm-rhel9","product":"Red Hat Enterprise Linux AI (RHEL AI) 3","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4210d1ea27c77a3faac0f8a4e7830f73c6ff19b07367bdaac2e3d79f6d658431 · sha256:8467a99c741ec867… · /containers/adp/1/affected/1
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux_ai:3"],"defaultStatus":"unaffected","packageName":"rhelai3/disk-image-cuda-rhel9","product":"Red Hat Enterprise Linux AI (RHEL AI) 3","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4210d1ea27c77a3faac0f8a4e7830f73c6ff19b07367bdaac2e3d79f6d658431 · sha256:8467a99c741ec867… · /containers/adp/1/affected/2
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift_devspaces:3"],"defaultStatus":"unaffected","packageName":"devspaces/dashboard-rhel9","product":"Red Hat OpenShift Dev Spaces","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4210d1ea27c77a3faac0f8a4e7830f73c6ff19b07367bdaac2e3d79f6d658431 · sha256:8467a99c741ec867… · /containers/adp/1/affected/8
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift_ai"],"defaultStatus":"unaffected","packageName":"rhoai/odh-mod-arch-model-registry-rhel9","product":"Red Hat OpenShift AI (RHOAI)","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4210d1ea27c77a3faac0f8a4e7830f73c6ff19b07367bdaac2e3d79f6d658431 · sha256:8467a99c741ec867… · /containers/adp/1/affected/7
{"defaultStatus":"unaffected","packageURL":"pkg:npm/fastify","product":"fastify","vendor":"fastify","versions":[{"lessThan":"5.8.5","status":"affected","version":"5.3.2","versionType":"semver"},{"status":"unaffected","version":"5.8.5","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4210d1ea27c77a3faac0f8a4e7830f73c6ff19b07367bdaac2e3d79f6d658431 · sha256:8467a99c741ec867… · /containers/cna/affected/0
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift_ai"],"defaultStatus":"unaffected","packageName":"rhoai/odh-mod-arch-maas-rhel9","product":"Red Hat OpenShift AI (RHOAI)","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4210d1ea27c77a3faac0f8a4e7830f73c6ff19b07367bdaac2e3d79f6d658431 · sha256:8467a99c741ec867… · /containers/adp/1/affected/6
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux_ai:3"],"defaultStatus":"unaffected","packageName":"rhelai3/bootc-cuda-rhel9","product":"Red Hat Enterprise Linux AI (RHEL AI) 3","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4210d1ea27c77a3faac0f8a4e7830f73c6ff19b07367bdaac2e3d79f6d658431 · sha256:8467a99c741ec867… · /containers/adp/1/affected/0
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift_ai"],"defaultStatus":"unaffected","packageName":"rhoai/odh-dashboard-rhel9","product":"Red Hat OpenShift AI (RHOAI)","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4210d1ea27c77a3faac0f8a4e7830f73c6ff19b07367bdaac2e3d79f6d658431 · sha256:8467a99c741ec867… · /containers/adp/1/affected/4

Provider-owned CVSS observations

2 source assertions
{"metric":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4210d1ea27c77a3faac0f8a4e7830f73c6ff19b07367bdaac2e3d79f6d658431 · sha256:8467a99c741ec867… · /containers/cna/metrics/0/cvssV3_1
{"metric":{"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"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4210d1ea27c77a3faac0f8a4e7830f73c6ff19b07367bdaac2e3d79f6d658431 · sha256:8467a99c741ec867… · /containers/adp/1/metrics/1/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-1289","description":"Improper Validation of Unsafe Equivalence in Input","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4210d1ea27c77a3faac0f8a4e7830f73c6ff19b07367bdaac2e3d79f6d658431 · sha256:8467a99c741ec867… · /containers/adp/1/problemTypes/0/descriptions/0
{"cweId":"CWE-1287","description":"CWE-1287: Improper Validation of Specified Type of Input","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4210d1ea27c77a3faac0f8a4e7830f73c6ff19b07367bdaac2e3d79f6d658431 · sha256:8467a99c741ec867… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-33806"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4210d1ea27c77a3faac0f8a4e7830f73c6ff19b07367bdaac2e3d79f6d658431 · sha256:8467a99c741ec867… · /containers/adp/1/references/0
{"name":"RHBZ#2458596","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2458596"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4210d1ea27c77a3faac0f8a4e7830f73c6ff19b07367bdaac2e3d79f6d658431 · sha256:8467a99c741ec867… · /containers/adp/1/references/1
{"url":"https://cna.openjsf.org/security-advisories.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4210d1ea27c77a3faac0f8a4e7830f73c6ff19b07367bdaac2e3d79f6d658431 · sha256:8467a99c741ec867… · /containers/cna/references/1
{"url":"https://github.com/fastify/fastify/security/advisories/GHSA-mg2h-6x62-wpwc"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4210d1ea27c77a3faac0f8a4e7830f73c6ff19b07367bdaac2e3d79f6d658431 · sha256:8467a99c741ec867… · /containers/cna/references/0
{"tags":["x_sadp-csaf-vex"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-33806.json"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4210d1ea27c77a3faac0f8a4e7830f73c6ff19b07367bdaac2e3d79f6d658431 · sha256:8467a99c741ec867… · /containers/adp/1/references/2

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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