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Coder 2.0.0 before 2.34.8 Open Redirect via Workspace App Proxy

Type: advisorySource: Official CVE List1 source record

Coder from 2.0.0 before 2.34.8 contains an open redirect vulnerability in handleAPIKeySmuggling that allows attackers to redirect users externally via unsanitized r.URL.Path values. Attackers can craft links on trusted workspace app subdomains with paths beginning with double slashes, which become scheme-relative redirects to attacker sites for phishing.

Announced Group revision 1
Original source ↗

CVE-2026-111931

Primary source · Revision 1

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

Security context

Source reference: cve:CVE-2026-111931

coder

Source reference: /containers/cna/affected/0/product

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.

[
  {
    "vendor": "coder",
    "product": "coder",
    "versions": [
      {
        "status": "affected",
        "version": "2.0.0",
        "lessThan": "2.34.8",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "2.34.8",
        "versionType": "semver"
      }
    ],
    "packageURL": "pkg:golang/github.com/coder/coder/v2",
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-111931

Source reference: /cveMetadata/cveId

Publisher severity

medium

Source reference: /containers/cna/metrics

Event
#34620 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement