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CVE-2026-54280— AIOHTTP: Payload Response Resources Are Not Closed After Mid-Body Disconnect

EPSS 0.25% · P16
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I. Basic Information for CVE-2026-54280

Vulnerability Information

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Vulnerability Title
AIOHTTP: Payload Response Resources Are Not Closed After Mid-Body Disconnect
Source: NVD (National Vulnerability Database)
Vulnerability Description
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, payload resources are not closed correctly when a client disconnects in the middle of a write. 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. This vulnerability is fixed in 3.14.1.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
不恰当的资源关闭或释放
Source: NVD (National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
aio-libsaiohttp < 3.14.1 -

II. Public POCs for CVE-2026-54280

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III. Intelligence Information for CVE-2026-54280

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Other References for CVE-2026-54280 (2)

Same Patch Batch · aio-libs · 2026-06-22 · 9 CVEs total

CVE-2026-54274AIOHTTP: Incomplete websocket frame payloads bypass memory limits
CVE-2026-54277AIOHTTP: C HTTP Parser Bypasses max_line_size for Fragmented Lines
CVE-2026-54273AIOHTTP: HTTP/1 Pipelined Requests Queue Without Limit
CVE-2026-54278AIOHTTP: Unread Compressed Request Bodies Bypass client_max_size During Cleanup
CVE-2026-54279AIOHTTP: Host-Only Cookies Become Domain Cookies After CookieJar Persistence
CVE-2026-54275AIOHTTP: TLS Server Hostname Override Is Ignored When Reusing HTTPS Connections
CVE-2026-54276AIOHTTP: DigestAuthMiddleware Applies Credentials to Cross-Origin Redirect Challenges
CVE-2026-50269AIOHTTP: CRLF injection in multipart headers

IV. Related Vulnerabilities

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