CVE-2026-54280
python-aiohttp: payload resources are not closed correctly when a client disconnects in the middle of a write and
CVE-2026-54280 is fixed in python-aiohttp on 1 platform, first by DEBIAN-CVE-2026-54280, released June 24, 2026. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.5
high
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0046
40th percentile
payload resources are not closed correctly when a client disconnects in the middle of a write and
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| python-aiohttp · Debian 12.15 (bookworm) | 3.8.4-1+deb12u2 | DEBIAN-CVE-2026-54280 | Jun 24, 2026 |
| python-aiohttp · Debian 14 | 3.14.1-1 | DEBIAN-CVE-2026-54280 | Jun 24, 2026 |
| python-aiohttp · opensuse-leap 16.0 | 3.11.16-160000.6.1 | OPENSUSE-SU-2026:21372-1 | Jul 18, 2026 |
| python-aiohttp · sles 15.6 | 3.6.0-150100.3.38.1 | SUSE-SU-2026:3208-1 | Jul 23, 2026 |
| python-aiohttp · sles 15.7 | 3.6.0-150100.3.38.1 | SUSE-SU-2026:3208-1 | Jul 23, 2026 |
| python-aiohttp · sles 16.0 | 3.11.16-160000.6.1 | SUSE-SU-2026:22819-1 | Jul 18, 2026 |
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