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GHSA-9X8Q-7H8H-WCW9

Vulnerability from github – Published: 2026-06-15 20:10 – Updated: 2026-06-15 20:10
VLAI
Summary
aiohttp: Payload Response Resources Are Not Closed After Mid-Body Disconnect
Details

Summary

Payload resources are not closed correctly when a client disconnects in the middle of a write.

Impact

If a payload is using an open file or similar limited resource, then an attacker may be able to cause resource starvation temporarily until garbage collection or similar closes the file.

Patch: https://github.com/aio-libs/aiohttp/commit/a762eda5242f6490d6ba667533193f8b473ad587

Severity
1.7 (Low)
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U
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{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 3.14.0"
      },
      "package": {
        "ecosystem": "PyPI",
        "name": "aiohttp"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.14.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-54280"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-404"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-06-15T20:10:44Z",
    "nvd_published_at": null,
    "severity": "LOW"
  },
  "details": "### Summary\n\nPayload resources are not closed correctly when a client disconnects in the middle of a write.\n\n### Impact\n\nIf a payload is using an open file or similar limited resource, then an attacker may be able to cause resource starvation temporarily until garbage collection or similar closes the file.\n\n-----\n\nPatch: https://github.com/aio-libs/aiohttp/commit/a762eda5242f6490d6ba667533193f8b473ad587",
  "id": "GHSA-9x8q-7h8h-wcw9",
  "modified": "2026-06-15T20:10:44Z",
  "published": "2026-06-15T20:10:44Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/aio-libs/aiohttp/security/advisories/GHSA-9x8q-7h8h-wcw9"
    },
    {
      "type": "WEB",
      "url": "https://github.com/aio-libs/aiohttp/commit/a762eda5242f6490d6ba667533193f8b473ad587"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/aio-libs/aiohttp"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U",
      "type": "CVSS_V4"
    }
  ],
  "summary": "aiohttp: Payload Response Resources Are Not Closed After Mid-Body Disconnect"
}