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CVE-2026-58491

🗓️ 21 Sep 2026 18:48:03Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 72 Views🌐 WEB

Reflected XSS in Warpgate up to 0.25.5 via SSO next parameter executing JS in authenticated origin.

Related
Detection
Affected
Refs
Paths
Vulners
Node
[
  {
    "vendor": "warp-tech",
    "product": "warpgate",
    "versions": [
      {
        "version": "< 0.25.5",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
nextrequest body/@warpgate/api/sso/providers/:name/startThe /@warpgate/api/sso/providers/:name/start endpoint stores an attacker-controlled 'next' parameter which is later reflected without HTML escaping in the SSO return response.CWE-79
nextrequest body/@warpgate/api/sso/returnThe /@warpgate/api/sso/return handler inserts an unvalidated 'next' parameter into the response without HTML escaping, and also uses it as a redirect destination.CWE-79

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24 Sep 2026 21:25Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.19.3
EPSS0.00458
SSVC
72