CVE-2026-54278
python-aiohttp: unread compressed request bodies can bypass `client_max_size` during cleanup and cause a DoS
CVE-2026-54278 is fixed in 3 products on 1 platform, first by DEBIAN-CVE-2026-54278, released June 24, 2026. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.5
IMPORTANT
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0049
42nd percentile
unread compressed request bodies can bypass `client_max_size` during cleanup and cause a DoS
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| python-aiohttp · Debian 14 | 3.14.1-1 | DEBIAN-CVE-2026-54278 | 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 |
| python39-oci-sdk · ol 9 | 0:2.187.0-1.0.5.el9 | ELSA-2026-604898 | Nov 7, 2026 |
| python39-oci-sdk-docs · ol 9 | 0:2.187.0-1.0.5.el9 | ELSA-2026-604898 | Nov 7, 2026 |
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