CVE-2026-59881
2 advisories.
PyPI/aiohttp CVE-2026-59881: medium
AIOHTTP: WebSocket client accepts compressed frames without negotiated permessage-deflate
Action: Upgrade aiohttp to 3.14.2 or later.
pip install aiohttp==3.14.2Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 3.14.2 | - |
Fixed versions
| 3.14.2 |
Sources
- osv: GHSA-mq44-7p77-q5h7
- https://github.com/aio-libs/aiohttp/security/advisories/GHSA-mq44-7p77-q5h7
- https://nvd.nist.gov/vuln/detail/CVE-2026-59881
- https://github.com/aio-libs/aiohttp/pull/12978
- https://github.com/aio-libs/aiohttp/commit/47fb6ae354d4fa22048f4dbe7dbf82b625f0a2f6
- https://github.com/aio-libs/aiohttp
- http://github.com/aio-libs/aiohttp/releases/tag/v3.14.2
CVE-2026-59881 · published · modified · JSON
PyPI/aiohttp CVE-2026-59881: unknown
AIOHTTP: WebSocket client accepts compressed frames without negotiated permessage-deflate
Action: Upgrade aiohttp to 3.14.2 or later.
pip install aiohttp==3.14.2Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 3.14.2 | - |
Fixed versions
| 3.14.2 |
Sources
- osv: PYSEC-2026-3547
- https://github.com/aio-libs/aiohttp/security/advisories/GHSA-mq44-7p77-q5h7
- https://nvd.nist.gov/vuln/detail/CVE-2026-59881
- https://github.com/aio-libs/aiohttp/pull/12978
- https://github.com/aio-libs/aiohttp/commit/47fb6ae354d4fa22048f4dbe7dbf82b625f0a2f6
- https://github.com/aio-libs/aiohttp
- http://github.com/aio-libs/aiohttp/releases/tag/v3.14.2
- https://pypi.org/project/aiohttp
- https://github.com/advisories/GHSA-mq44-7p77-q5h7
CVE-2026-59881 · published · modified · JSON