fast-uri vulnerable to host confusion via percent-encoded authority delimiters
Summary
| CVE | CVE-2026-6322 |
|---|---|
| State | PUBLISHED |
| Assigner | openjs |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-05-05 11:16:33 UTC |
| Updated | 2026-07-22 12:18:20 UTC |
| Description | fast-uri normalize() decoded percent-encoded authority delimiters inside the host component and then re-emitted them as raw delimiters during serialization. A host that combined an allowed domain, an encoded at-sign, and a different domain was re-emitted with the at-sign as a raw userinfo separator, changing the URI's authority to the second domain. Applications that normalize untrusted URLs before host allowlist checks, redirect validation, or outbound request routing can be steered to a different authority than the input appeared to specify. Versions <= 3.1.1 are affected. Update to 3.1.2 or later. |
Risk And Classification
Primary CVSS: v3.1 7.5 HIGH from ADP
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS: 0.004750000 probability, percentile 0.382640000 (date 2026-07-22)
Problem Types: CWE-436 | CWE-140 | CWE-436 CWE-436: Interpretation Conflict | CWE-140 Improper Neutralization of Delimiters
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | ADP | CVSS | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| 3.1 | ce714d77-add3-4f53-aff5-83d477b104bb | Secondary | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| 3.1 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | Secondary | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| 3.1 | CNA | CVSS | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
HighAvailability
NoneCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD Known Affected Configurations (CPE 2.3)
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Fast-uri | Fast-uri | affected 3.1.2 semver | Not specified |
| CNA | Fast-uri | Fast-uri | unaffected 3.1.2 semver | Not specified |
| ADP | Red Hat | Red Hat Ansible Automation Platform 2.5 For RHEL 8 | unaffected 0:2.5.20260715-1.el8ap * rpm | Not specified |
| ADP | Red Hat | Red Hat Ansible Automation Platform 2.5 For RHEL 9 | unaffected 0:2.5.20260715-1.el9ap * rpm | Not specified |
| ADP | Red Hat | Red Hat Ansible Automation Platform 2.6 For RHEL 9 | unaffected 0:2.6.10-1.el9ap * rpm | Not specified |
| ADP | Red Hat | Red Hat Data Grid 8.6.2 | Not specified | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux 10 | unaffected 0:1.1.1-1.el10_2 * rpm | Not specified |
| ADP | Red Hat | Cluster Observability Operator 1.5.0 | unaffected 1782840519 * rpm | Not specified |
| ADP | Red Hat | Cluster Observability Operator 1.5.0 | unaffected 1782839981 * rpm | Not specified |
| ADP | Red Hat | Cluster Observability Operator 1.5.0 | unaffected 1782839193 * rpm | Not specified |
| ADP | Red Hat | Cluster Observability Operator 1.5.0 | unaffected 1782838753 * rpm | Not specified |
| ADP | Red Hat | Cluster Observability Operator 1.5.0 | unaffected 1782839279 * rpm | Not specified |
| ADP | Red Hat | Cluster Observability Operator 1.5.0 | unaffected 1782840539 * rpm | Not specified |
| ADP | Red Hat | Cluster Observability Operator 1.5.0 | unaffected 1782841925 * rpm | Not specified |
| ADP | Red Hat | Cluster Observability Operator 1.5.0 | unaffected 1782838476 * rpm | Not specified |
| ADP | Red Hat | Cluster Observability Operator 1.5.0 | unaffected 1782839996 * rpm | Not specified |
| ADP | Red Hat | Cluster Observability Operator 1.5.0 | unaffected 1782839494 * rpm | Not specified |
| ADP | Red Hat | Multicluster Engine For Kubernetes 2.11.0 | unaffected 1780910888 * rpm | Not specified |
| ADP | Red Hat | Red Hat Advanced Cluster Management For Kubernetes 2.16 | unaffected 1780600823 * rpm | Not specified |
| ADP | Red Hat | Red Hat Ansible Automation Platform 2.6 | unaffected 1782761510 * rpm | Not specified |
| ADP | Red Hat | Red Hat Ansible Automation Platform 2.6 | unaffected 1782721130 * rpm | Not specified |
| ADP | Red Hat | Red Hat Ansible Automation Platform 2.7 | unaffected 1783919486 * rpm | Not specified |
| ADP | Red Hat | Red Hat Developer Hub 1.10 | unaffected 1783448184 * rpm | Not specified |
| ADP | Red Hat | Red Hat Developer Hub 1.9 | unaffected 1781187342 * rpm | Not specified |
| ADP | Red Hat | Red Hat Discovery 2 | unaffected 1782166952 * rpm | Not specified |
| ADP | Red Hat | Red Hat Edge Manager 1.0 | unaffected 1783502765 * rpm | Not specified |
| ADP | Red Hat | Red Hat Edge Manager 1.0 | unaffected 1783502438 * rpm | Not specified |
| ADP | Red Hat | Red Hat Edge Manager 1.1 | unaffected 1784194938 * rpm | Not specified |
| ADP | Red Hat | Red Hat Edge Manager 1.1 | unaffected 1784194574 * rpm | Not specified |
| ADP | Red Hat | Red Hat Edge Manager 1.1 | unaffected 1784126822 * rpm | Not specified |
| ADP | Red Hat | Red Hat Edge Manager 1.1 | unaffected 1784127736 * rpm | Not specified |
| ADP | Red Hat | Red Hat Migration Toolkit 1.8 | unaffected 1783690532 * rpm | Not specified |
| ADP | Red Hat | Red Hat Migration Toolkit For Applications 8.2 | unaffected 1784109883 * rpm | Not specified |
| ADP | Red Hat | Red Hat OpenShift Container Platform 4.19 | unaffected 1782880472 * rpm | Not specified |
| ADP | Red Hat | Red Hat OpenShift Container Platform 4.20 | unaffected 1782313844 * rpm | Not specified |
| ADP | Red Hat | Red Hat OpenShift Container Platform 4.20 | unaffected 1783602326 * rpm | Not specified |
| ADP | Red Hat | Red Hat OpenShift Container Platform 4.21 | unaffected 1782308519 * rpm | Not specified |
| ADP | Red Hat | Red Hat OpenShift Container Platform 4.21 | unaffected 1782914001 * rpm | Not specified |
| ADP | Red Hat | Red Hat OpenShift Container Platform 4.21 | unaffected 1783502338 * rpm | Not specified |
| ADP | Red Hat | Red Hat OpenShift Container Platform 4.22 | unaffected 1782224390 * rpm | Not specified |
| ADP | Red Hat | Red Hat OpenShift Container Platform 4.22 | unaffected 1782224316 * rpm | Not specified |
| ADP | Red Hat | Red Hat OpenShift Container Platform 4.22 | unaffected 1782224099 * rpm | Not specified |
| ADP | Red Hat | Red Hat Quay 3.1 | unaffected 1782487717 * rpm | Not specified |
| ADP | Red Hat | Red Hat Quay 3.12 | unaffected 1781937357 * rpm | Not specified |
| ADP | Red Hat | Red Hat Quay 3.16 | unaffected 1783955846 * rpm | Not specified |
| ADP | Red Hat | Red Hat Quay 3.9 | unaffected 1781878070 * rpm | Not specified |
| ADP | Red Hat | Red Hat Satellite 6.18 | unaffected 1781032495 * rpm | Not specified |
| ADP | Red Hat | Confidential Compute Attestation | Not specified | Not specified |
| ADP | Red Hat | Cryostat 4 | Not specified | Not specified |
| ADP | Red Hat | Cryostat 4 | Not specified | Not specified |
| ADP | Red Hat | Network Observability Operator | Not specified | Not specified |
| ADP | Red Hat | OpenShift Lightspeed | Not specified | Not specified |
| ADP | Red Hat | OpenShift Lightspeed | Not specified | Not specified |
| ADP | Red Hat | OpenShift Lightspeed | Not specified | Not specified |
| ADP | Red Hat | OpenShift Pipelines | Not specified | Not specified |
| ADP | Red Hat | OpenShift Pipelines | Not specified | Not specified |
| ADP | Red Hat | OpenShift Pipelines | Not specified | Not specified |
| ADP | Red Hat | OpenShift Pipelines | Not specified | Not specified |
| ADP | Red Hat | OpenShift Pipelines | Not specified | Not specified |
| ADP | Red Hat | OpenShift Serverless | Not specified | Not specified |
| ADP | Red Hat | OpenShift Serverless | Not specified | Not specified |
| ADP | Red Hat | OpenShift Serverless | Not specified | Not specified |
| ADP | Red Hat | OpenShift Serverless | Not specified | Not specified |
| ADP | Red Hat | OpenShift Serverless | Not specified | Not specified |
| ADP | Red Hat | OpenShift Serverless | Not specified | Not specified |
| ADP | Red Hat | OpenShift Serverless | Not specified | Not specified |
| ADP | Red Hat | OpenShift Serverless | Not specified | Not specified |
| ADP | Red Hat | OpenShift Serverless | Not specified | Not specified |
| ADP | Red Hat | Red Hat AMQ Broker 7 | Not specified | Not specified |
| ADP | Red Hat | Red Hat Ansible Automation Platform 2 | Not specified | Not specified |
| ADP | Red Hat | Red Hat Ansible Automation Platform 2 | Not specified | Not specified |
| ADP | Red Hat | Red Hat Ansible Automation Platform 2 | Not specified | Not specified |
| ADP | Red Hat | Red Hat Ansible Automation Platform 2 | Not specified | Not specified |
| ADP | Red Hat | Red Hat Build Of Apache Camel - HawtIO 4 | Not specified | Not specified |
| ADP | Red Hat | Red Hat Build Of Podman Desktop | Not specified | Not specified |
| ADP | Red Hat | Red Hat Build Of Podman Desktop - Tech Preview | Not specified | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux 9 | Not specified | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux AI RHEL AI 3 | Not specified | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux AI RHEL AI 3 | Not specified | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux AI RHEL AI 3 | Not specified | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux AI RHEL AI 3 | Not specified | Not specified |
| ADP | Red Hat | Red Hat OpenShift AI RHOAI | Not specified | Not specified |
| ADP | Red Hat | Red Hat OpenShift AI RHOAI | Not specified | Not specified |
| ADP | Red Hat | Red Hat OpenShift AI RHOAI | Not specified | Not specified |
| ADP | Red Hat | Red Hat OpenShift AI RHOAI | Not specified | Not specified |
| ADP | Red Hat | Red Hat OpenShift AI RHOAI | Not specified | Not specified |
| ADP | Red Hat | Red Hat OpenShift AI RHOAI | Not specified | Not specified |
| ADP | Red Hat | Red Hat OpenShift AI RHOAI | Not specified | Not specified |
| ADP | Red Hat | Red Hat OpenShift AI RHOAI | Not specified | Not specified |
| ADP | Red Hat | Red Hat OpenShift AI RHOAI | Not specified | Not specified |
| ADP | Red Hat | Red Hat OpenShift AI RHOAI | Not specified | Not specified |
| ADP | Red Hat | Red Hat OpenShift AI RHOAI | Not specified | Not specified |
| ADP | Red Hat | Red Hat OpenShift Container Platform 4 | Not specified | Not specified |
| ADP | Red Hat | Red Hat Openshift Data Foundation 4 | Not specified | Not specified |
| ADP | Red Hat | Red Hat Openshift Data Foundation 4 | Not specified | Not specified |
| ADP | Red Hat | Red Hat Openshift Data Foundation 4 | Not specified | Not specified |
| ADP | Red Hat | Red Hat Openshift Data Foundation 4 | Not specified | Not specified |
| ADP | Red Hat | Red Hat Openshift Data Foundation 4 | Not specified | Not specified |
| ADP | Red Hat | Red Hat OpenShift Dev Spaces | Not specified | Not specified |
| ADP | Red Hat | Red Hat OpenShift Virtualization 4 | Not specified | Not specified |
| ADP | Red Hat | Red Hat Satellite 6 | Not specified | Not specified |
| ADP | Red Hat | Red Hat Satellite 6 | Not specified | Not specified |
| ADP | Red Hat | Red Hat Satellite 6 | Not specified | Not specified |
| ADP | Red Hat | Red Hat Satellite 6 | Not specified | Not specified |
| ADP | Red Hat | Self-service Automation Portal 2 | Not specified | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| access.redhat.com/errata/RHSA-2026:40118 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/security/cve/CVE-2026-6322 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:33683 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| cna.openjsf.org/security-advisories.html | ce714d77-add3-4f53-aff5-83d477b104bb | cna.openjsf.org | Vendor Advisory |
| access.redhat.com/errata/RHSA-2026:41928 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:43038 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:42142 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:34374 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:36651 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| github.com/fastify/fast-uri/security/advisories/GHSA-v39h-62p7-jpjc | ce714d77-add3-4f53-aff5-83d477b104bb | github.com | Vendor Advisory |
| access.redhat.com/errata/RHSA-2026:37385 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:37186 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:34342 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| bugzilla.redhat.com/show_bug.cgi | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | bugzilla.redhat.com | |
| access.redhat.com/errata/RHSA-2026:36754 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:34766 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:40945 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:30076 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:29834 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:28571 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:29800 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:29795 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:34160 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:26225 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:25273 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:41951 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:29197 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-6322.json | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | security.access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:42078 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:34770 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:29796 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:41066 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:25271 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:26234 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:37628 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Jvr (en)
CNA: Matteo Collina (en)
CNA: Ulises Gascón (en)
CNA: KaKa (en)
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| ADP | 2026-05-05T11:01:00.332Z | Reported to Red Hat. |
| ADP | 2026-05-05T10:29:16.378Z | Made public. |
Solutions
ADP: RHSA-2026:42078: Red Hat Ansible Automation Platform 2.5 for RHEL 8, Red Hat Ansible Automation Platform 2.5 for RHEL 9
ADP: RHSA-2026:34160: Red Hat Ansible Automation Platform 2.6 for RHEL 9
ADP: RHSA-2026:34342: Cluster Observability Operator 1.5.0
ADP: RHSA-2026:37385: Red Hat Enterprise Linux Extensions Channel (v. 10)
ADP: RHSA-2026:25273: Red Hat Advanced Cluster Management for Kubernetes 2.16
ADP: RHSA-2026:34374: Red Hat Ansible Automation Platform 2.6
ADP: RHSA-2026:42142: Red Hat Ansible Automation Platform 2.7
ADP: RHSA-2026:41951: Red Hat Data Grid 8.6.2
ADP: RHSA-2026:36754: Red Hat Developer Hub 1.10
ADP: RHSA-2026:26234: Red Hat Developer Hub 1.9
ADP: RHSA-2026:29197: Red Hat Discovery 2
ADP: RHSA-2026:36651: Red Hat Edge Manager 1.0
ADP: RHSA-2026:40945: Red Hat Edge Manager 1.1
ADP: RHSA-2026:40118: Red Hat Edge Manager 1.1
ADP: RHSA-2026:41928: Red Hat Migration Toolkit 1.8
ADP: RHSA-2026:43038: Red Hat Migration Toolkit for Applications 8.2
ADP: RHSA-2026:34766: Red Hat OpenShift Container Platform 4.19
ADP: RHSA-2026:37628: Red Hat OpenShift Container Platform 4.20
ADP: RHSA-2026:29800: Red Hat OpenShift Container Platform 4.20
ADP: RHSA-2026:34770: Red Hat OpenShift Container Platform 4.21
ADP: RHSA-2026:37186: Red Hat OpenShift Container Platform 4.21
ADP: RHSA-2026:29834: Red Hat OpenShift Container Platform 4.21
ADP: RHSA-2026:29796: Red Hat OpenShift Container Platform 4.22
ADP: RHSA-2026:29795: Red Hat OpenShift Container Platform 4.22
ADP: RHSA-2026:30076: Red Hat Quay 3.12
ADP: RHSA-2026:41066: Red Hat Quay 3.16
ADP: RHSA-2026:33683: Red Hat Quay 3.1
ADP: RHSA-2026:28571: Red Hat Quay 3.9
ADP: RHSA-2026:26225: Red Hat Satellite 6.18
ADP: RHSA-2026:25271: multicluster engine for Kubernetes 2.11.0
There are currently no legacy QID mappings associated with this CVE.