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Duplicate Advisory: chi Allows Host Header Injection which Leads to Open Redirect in RedirectSlashes

Type: withdrawalSource: OSV1 source record

## Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-vrw8-fxc6-2r93.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.

Announced Group revision 1
Original source ↗

GHSA-xcvf-46f4-xwxf

Primary source · Revision 1 · Withdrawn

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:GHSA-xcvf-46f4-xwxf

github.com/go-chi/chi

Source reference: /affected/0/package/name

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "type": "SEMVER",
        "events": [
          {
            "introduced": "0"
          },
          {
            "last_affected": "5.2.1"
          }
        ]
      }
    ],
    "package": {
      "name": "github.com/go-chi/chi",
      "purl": "pkg:golang/github.com/go-chi/chi",
      "ecosystem": "Go"
    },
    "database_specific": {
      "source": "https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/08/GHSA-xcvf-46f4-xwxf/GHSA-xcvf-46f4-xwxf.json"
    }
  }
]

Publisher severity

medium

Source reference: /severity/0/score

Event
#72764 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement