CVE-2026-69243
python-aiohttp: HTTP request smuggling via the WebSocket upgrade procedure (bsc#1273553).
CVE-2026-69243 is fixed in 3 products on 1 platform, first by DEBIAN-CVE-2026-69243, released August 3, 2026. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.0
IMPORTANT
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0044
38th percentile
HTTP request smuggling via the WebSocket upgrade procedure (bsc#1273553).
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| python-aiohttp · Debian 12.15 (bookworm) | 3.8.4-1+deb12u2 | DEBIAN-CVE-2026-69243 | Aug 3, 2026 |
| python-aiohttp · Debian 14 | 3.14.3-1 | DEBIAN-CVE-2026-69243 | Aug 3, 2026 |
| python-aiohttp · opensuse-leap 16.0 | 3.11.16-160000.7.1 | OPENSUSE-SU-2026:21687-1 | Aug 30, 2026 |
| python-aiohttp · sles 15.6 | 3.6.0-150100.3.41.1 | SUSE-SU-2026:4113-1 | Sep 9, 2026 |
| python-aiohttp · sles 15.7 | 3.6.0-150100.3.41.1 | SUSE-SU-2026:4113-1 | Sep 9, 2026 |
| python-aiohttp · sles 16.0 | 3.11.16-160000.7.1 | SUSE-SU-2026:23571-1 | Aug 30, 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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