Lucene search
K

CVE-2026-43972 gun HTTP/2 PUSH_PROMISE authority not validated against connection origin allows cross-origin cookie injection

🗓️ 08 Jun 2026 14:12:38Reported by EEFType 
cvelist
 cvelist
🔗 www.cve.org👁 35 Views

Origin validation error in gun_http2 allows cross-origin cookie injection via unvalidated PUSH_PROMISE authority.

Related
Affected
Refs
[
  {
    "cpes": [
      "cpe:2.3:a:ninenines:gun:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "gun_http2"
    ],
    "packageName": "gun",
    "packageURL": "pkg:hex/gun",
    "product": "gun",
    "programFiles": [
      "src/gun_http2.erl"
    ],
    "programRoutines": [
      {
        "name": "gun_http2:push_promise_frame/7"
      },
      {
        "name": "gun_http2:headers_frame/9"
      }
    ],
    "repo": "https://github.com/ninenines/gun",
    "vendor": "ninenines",
    "versions": [
      {
        "lessThan": "2.4.0",
        "status": "affected",
        "version": "2.0.0",
        "versionType": "semver"
      }
    ]
  },
  {
    "collectionURL": "https://github.com",
    "cpes": [
      "cpe:2.3:a:ninenines:gun:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "gun_http2"
    ],
    "packageName": "ninenines/gun",
    "packageURL": "pkg:github/ninenines/gun",
    "product": "gun",
    "programFiles": [
      "src/gun_http2.erl"
    ],
    "programRoutines": [
      {
        "name": "gun_http2:push_promise_frame/7"
      },
      {
        "name": "gun_http2:headers_frame/9"
      }
    ],
    "repo": "https://github.com/ninenines/gun.git",
    "vendor": "ninenines",
    "versions": [
      {
        "lessThan": "567863ff53802fed21c3b3f25812db7f7ae29676",
        "status": "affected",
        "version": "871989eef53663285c165fdfb83a5918ebe00d41",
        "versionType": "git"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation