Description
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Versions 3.13.2 and below enable an attacker to ascertain the existence of absolute path components through the path normalization logic for static files meant to prevent path traversal. If an application uses web.static() (not recommended for production deployments), it may be possible for an attacker to ascertain the existence of path components. This issue is fixed in version 3.13.3.
References (2)
Core 2
Core References
Vendor Advisory, Patch x_refsource_confirm
https://github.com/aio-libs/aiohttp/security/advisories/GHSA-54jq-c3m8-4m76
Scores
CVSS v3
5.3
EPSS
0.0006
EPSS Percentile
19.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-22
CWE-200
Status
published
Products (2)
aiohttp/aiohttp
< 3.13.3
pypi/aiohttp
0 - 3.13.3PyPI
Published
Jan 05, 2026
Tracked Since
Feb 18, 2026