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Improper Handling of URL Encoding (Hex Encoding)

🗓️ 24 Aug 2026 15:33:10Reported by Snyk Security DatabaseType 
snyk
 snyk🔗 security.snyk.io👁 15 Views

Improper URL hex encoding in fast-uri allows attacker-controlled host bypass of redirect checks.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ibm
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities in IBM DevOps Solution Workbench
22 Sep 202607:22
–ibm
ibm
IBM Security Bulletins		Security Bulletin: IBM ApplinX is vulnerable to multiple issues like double decoding, interpretation conflict and more due to the use of fast-uri (CVE-2026-75899, CVE-2026-75931, CVE-2026-75975, CVE-2026-76172)
7 Sep 202607:58
–ibm
ibm
IBM Security Bulletins		Security Bulletin: IBM InfoSphere Optim Archive Viewer is affected by multiple vulnerabilities in fast-uri (CVE-2026-75975, CVE-2026-76172)
29 Sep 202618:52
–ibm
ibm
IBM Security Bulletins		Security Bulletin: fast-uri-3.1.5.tgz (Publicly disclosed vulnerability found by Scanner)
17 Sep 202620:17
–ibm
ibm
IBM Security Bulletins		Security Bulletin: Security vulnerabilities have been found in IBM Verify Identity Access Digital Credentials
21 Sep 202622:17
–ibm
ibm
IBM Security Bulletins		Security Bulletin: Vulnerabilities reported in fast-uri-3.1.3.tgz are addressed in APIM 11.1
4 Oct 202617:19
–ibm
ibm
IBM Security Bulletins		Security Bulletin: IBM App Connect Enterprise is vulnerable to multiple vulnerabilities due to multiple Node.js modules
7 Sep 202612:37
–ibm
ibm
IBM Security Bulletins		Security Bulletin: IBM Quantum Safe Remediator is affected by mutiple vulnerabilities
22 Sep 202604:31
–ibm
ibm
IBM Security Bulletins		Security Bulletin: Automation Assets in IBM Cloud Pak for Integration is vulnerable to multiple vulnerabilities in fast-uri.
29 Sep 202609:14
–ibm
nessus
Tenable Nessus		AlmaLinux 10 : cockpit-image-builder (ALSA-2026:71543)
29 Sep 202600:00
–nessus
Rows per page
Vulners
Node
OR
openjsffast-uriRange2.3.1–2.4.5
openjsffast-uriRange3.0.0–3.1.6
openjsffast-uriRange4.0.0–4.1.3

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28 Aug 2026 05:32Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.5
CVSS 48.7
EPSS0.00232
SSVC
fast-uriURL encodinghost bypasshex encodingredirect checks
15