GHSA-2g87-pp6c-29x5
aiohttp: Multiple instances of excessive or unbounded memory/CPU use
- Risk score
- 62/100
- CVSS
- 8.7 v4.0
- Published
- 19 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- ### Summary Multiple cases were found where aiohttp could use excessive or unbounded memory, or excessive CPU consumption on attacker controlled requests. ### Impact An attacker could cause resource exhaustion through specially crafted requests.
- Affected
- aiohttp (pip) <= 3.14.3
- Fix
- Upgrade aiohttp to 3.14.4 or later.
- Exploitation
- No known exploitation
Why it is Amber
- CVSS 8.7 high
- Remotely exploitable without logging in
- On your watchlist: PyPI
Affected packages
| Package | Ecosystem | Vulnerable | Fixed in |
|---|---|---|---|
| aiohttp | pip | <= 3.14.3 | 3.14.4 |
References
- https://github.com/advisories/GHSA-2g87-pp6c-29x5
- https://github.com/aio-libs/aiohttp/security/advisories/GHSA-2g87-pp6c-29x5
- https://github.com/aio-libs/aiohttp/commit/09bcaa73ff084a0c539bbf16a0a78743acb7141f
- https://github.com/aio-libs/aiohttp/commit/0ae507423f681161efa77d20052b4054397c7fb6
- https://github.com/aio-libs/aiohttp/commit/3d850ee9b92573c7e913821cbcb96005beb3f4df
- https://github.com/aio-libs/aiohttp/commit/47babd8c23ca79e2bae6cc8dcb5752b61e369fc7
- https://github.com/aio-libs/aiohttp/commit/615fec3d4f088f30d2ee72cad760152e92aa1c53
- https://github.com/aio-libs/aiohttp/commit/6963ee0befec1502b6bb7b4db6c72d044c08f4fa
- https://github.com/aio-libs/aiohttp/commit/6a4f6682817839313b04b8e5cea2b39c1a88ab4f
- https://github.com/aio-libs/aiohttp/commit/8cfbe9abe5e11b84006a10f9bdf82bf607671dab
Original description
### Summary Multiple cases were found where aiohttp could use excessive or unbounded memory, or excessive CPU consumption on attacker controlled requests. ### Impact An attacker could cause resource exhaustion through specially crafted requests.
Last activity 19 Oct 2026. Patch Forecast updates every hour.