GHSA-xcvf-46f4-xwxf: Duplicate Advisory Chi Allows Host Header Injection Vulnerability

MODERATE
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CWE-601
Published
Advisory Summary

GHSA-xcvf-46f4-xwxf is a MODERATE chi allows host header injection vulnerability (CWE-601: URL Redirection to Untrusted Site ('Open Redirect')) affecting Duplicate Advisory libraries in the Go ecosystem. The issue involves chi allows host header injection which leads to open redirect in redirectslashes. Remediation is available in the latest vendor maintenance releases.

GHSA-xcvf-46f4-xwxf at a Glance

CVE Identifier N/A
GHSA Identifier GHSA-xcvf-46f4-xwxf
Severity MODERATE
CVSS v3.1 Base Score N/A
CWE Classification CWE-601: URL Redirection to Untrusted Site ('Open Redirect')
Affected Product Duplicate Advisory
Package Ecosystem Go
Published Date
Last Updated

How to Fix GHSA-xcvf-46f4-xwxf

To remediate this vulnerability, upgrade all affected Duplicate Advisory dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

github.com/go-chi/chi fixed: Latest secure release 
Upgrade github.com/go-chi/chi to Latest secure release
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for github.com/go-chi/chi

How to Check if You Are Affected

To determine whether your application is affected by GHSA-xcvf-46f4-xwxf, inspect your project dependencies for Duplicate Advisory:

inspect dependencies for github.com/go-chi/chi

Analyze the terminal output to locate any version of Duplicate Advisory in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-601: URL Redirection to Untrusted Site ('Open Redirect'), where the web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect. In Duplicate Advisory, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

## Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-vrw8-fxc6-2r93. This link is maintained to preserve external references. ## Original Description chi versions before v5.2.2 contain an open redirect vulnerability in the RedirectSlashes middleware function that uses the Host header to construct redirect URLs. Attackers can manipulate the Host header to redirect users to arbitrary hosts, enabling phishing attacks and credential theft.

GHSA-xcvf-46f4-xwxf Affected Duplicate Advisory Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
github.com/go-chi/chi
golang/github.com/go-chi/chi
Go
≤ 5.2.1

References

GitHub Advisory / Wiki ADVISORY
https://github.com/go-chi/chi/security/advisories/GHSA-vrw8-fxc6-2r93
NVD — GHSA-xcvf-46f4-xwxf NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-71405
www.vulncheck.com/advisories/go-chi-c... WEB
https://www.vulncheck.com/advisories/go-chi-chi-before-open-redirect-via-redirectslashes

Frequently Asked Questions

What is GHSA-xcvf-46f4-xwxf?
GHSA-xcvf-46f4-xwxf is a security vulnerability in Duplicate Advisory involving chi Allows Host Header Injection which Leads to Open Redirect in RedirectSlashes under CWE-601: URL Redirection to Untrusted Site ('Open Redirect').
Which Duplicate Advisory versions are affected?
Affected versions include releases prior to current release patches across affected packages: github.com/go-chi/chi.
What version fixes GHSA-xcvf-46f4-xwxf?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is github.com/go-chi/chi affected?
Yes, github.com/go-chi/chi is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What CWE is associated with GHSA-xcvf-46f4-xwxf?
GHSA-xcvf-46f4-xwxf is classified under CWE-601: URL Redirection to Untrusted Site ('Open Redirect') (The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect.).
How can I check Go dependencies for GHSA-xcvf-46f4-xwxf?
Run the dependency tree command: 'inspect dependencies for github.com/go-chi/chi'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-xcvf-46f4-xwxf",
  "modified" : "2026-10-02T23:17:35Z",
  "published" : "2026-08-14T12:31:24Z",
  "withdrawn" : "2026-10-02T23:17:35Z",
  "aliases" : [ ],
  "summary" : "Duplicate Advisory: chi Allows Host Header Injection which Leads to Open Redirect in RedirectSlashes",
  "details" : "## Duplicate Advisory\n\nThis advisory has been withdrawn because it is a duplicate of GHSA-vrw8-fxc6-2r93. This link is maintained to preserve external references.\n\n## Original Description\nchi versions before v5.2.2 contain an open redirect vulnerability in the RedirectSlashes middleware function that uses the Host header to construct redirect URLs. Attackers can manipulate the Host header to redirect users to arbitrary hosts, enabling phishing attacks and credential theft.",
  "severity" : [ {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/go-chi/chi"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "5.2.1"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/go-chi/chi/security/advisories/GHSA-vrw8-fxc6-2r93"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2025-71405"
  }, {
    "type" : "WEB",
    "url" : "https://www.vulncheck.com/advisories/go-chi-chi-before-open-redirect-via-redirectslashes"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-601" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-10-02T23:17:35Z",
    "nvd_published_at" : "2026-08-14T12:16:43Z"
  }
}