aio-libs/aiohttp · Security
aiohttp: Payload Response Resources Are Not Closed After Mid-Body Disconnect
- GHSA ID
- GHSA-9x8q-7h8h-wcw9
- CVE ID
- CVE-2026-54280
- Severity
- low
- Published
- Updated
- CVSS v4
- 1.7 · 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
Description
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
CWEs
- CWE-404 · Improper Resource Shutdown or Release