GHSA-69f9-5gxw-wvc2
AIOHTTP's unicode processing of header values could cause parsing discrepancies
At a glance
- Published
- Updated
- CVE
- CVE-2025-69224
- Aliases
- PYSEC-2026-1099
- CVSS_V4
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U
Description
### Summary The Python HTTP parser may allow a request smuggling attack with the presence of non-ASCII characters. ### Impact If a pure Python version of aiohttp is installed (i.e. without the usual C extensions) or AIOHTTP_NO_EXTENSIONS is enabled, then an attacker may be able to execute a request smuggling attack to bypass certain firewalls or proxy protections. ------ Patch: https://github.com/aio-libs/aiohttp/commit/32677f2adfd907420c078dda6b79225c6f4ebce0
Affected packages
| Package | Versions |
|---|---|
| PyPI · aiohttp | introduced 0, fixed 3.13.3 |
References
- https://github.com/aio-libs/aiohttp/security/advisories/GHSA-69f9-5gxw-wvc2 WEB
- https://nvd.nist.gov/vuln/detail/CVE-2025-69224 ADVISORY
- https://github.com/aio-libs/aiohttp/commit/32677f2adfd907420c078dda6b79225c6f4ebce0 WEB
- https://github.com/aio-libs/aiohttp PACKAGE
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — GitHub Advisory Database |