Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the Request.post function. An attacker can cause excessive memory allocation by sending a specially crafted multipart request containing large non-file fields. Remediation Upgrade...

AIOHTTP has late size enforcement for non-file multipart fields causes memory DoS

Summary For some multipart form fields, aiohttp read the entire field into memory before checking clientmaxsize. Impact If an application uses Request.post an attacker can send a specially crafted multipart request to force significant temporary memory allocation even when the request is ultimate...

echod (0.1.0), muffin (>=0.0.94, <=0.0.97) potentially affected by CVE-2026-34517 via aiohttp (0.16.5)

aiohttp PYPI version 0.16.5 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - echod 0.1.0 - muffin =0.0.94, =0.0.97 Source cves: CVE-2026-34517 Source advisory: OSV:GHSA-3WQ7-RQQ7-WX6J...

ethereumd-proxy (>=0.1.2, <=0.3.0), homeassistant (>=0.49.0, <=0.50.2) +7 more potentially affected by CVE-2026-34517 via aiohttp (2.2.3)

aiohttp PYPI version 2.2.3 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - ethereumd-proxy =0.1.2, =0.49.0, =0.4.4, =0.1.1, =0.1.4, =0.1.0, =0.4.1b17, =0.6.0b3, =0.1.0b11, =0.1.0b19 Source cves: CVE-2026-34517 Source...

aiogremlin (3.2.6rc1), aiopogo (>=2.0.2, <=2.0.4) +22 more potentially affected by CVE-2026-34517 via aiohttp (2.2.5)

aiohttp PYPI version 2.2.5 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - aiogremlin 3.2.6rc1 - aiopogo =2.0.2, =0.1.1, =1.0.1, =1.0.0, =1.0.0, =2.1.0rc1, =2.0.0, =0.51.0, =0.2.0, =0.0.0, =0.1.1, =1.6.2, =1.6.6 and more...

okami (0.1.5) potentially affected by CVE-2026-34517 via aiohttp (2.0.3)

aiohttp PYPI version 2.0.3 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - okami 0.1.5 Source cves: CVE-2026-34517 Source advisory: OSV:GHSA-3WQ7-RQQ7-WX6J...

muffin (>=0.0.107, <=0.1.0) potentially affected by CVE-2026-34517 via aiohttp (0.17.1)

aiohttp PYPI version 0.17.1 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - muffin =0.0.107, =0.1.0 Source cves: CVE-2026-34517 Source advisory: OSV:GHSA-3WQ7-RQQ7-WX6J...

muffin (>=0.0.105, <=0.0.106) potentially affected by CVE-2026-34517 via aiohttp (0.17.0)

aiohttp PYPI version 0.17.0 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - muffin =0.0.105, =0.0.106 Source cves: CVE-2026-34517 Source advisory: OSV:GHSA-3WQ7-RQQ7-WX6J...

appdaemon (>=3.0.0b2, <=3.0.0b3), balebot (>=1.2.3, <=1.8.15) +4 more potentially affected by CVE-2026-34516 via aiohttp (2.3.7)

aiohttp PYPI version 2.3.7 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - appdaemon =3.0.0b2, =1.2.3, =0.61.1, =0.0.1, =0.2.1 - tictax 0.1.3 Source cves: CVE-2026-34516 Source advisory: OSV:GHSA-M5QP-6W8W-W647...

EUVD-2026-18040

AIOHTTP has a Multipart Header Size Bypass...

hassmart-homeassistant (0.60.0), homeassistant (>=0.60.0, <=0.60.1) +2 more potentially affected by CVE-2026-34516 via aiohttp (2.3.6)

aiohttp PYPI version 2.3.6 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - hassmart-homeassistant 0.60.0 - homeassistant =0.60.0, =0.60.1 - pyplanet 0.5.4 - reliz 0.1.0.dev0 Source cves: CVE-2026-34516 Source advisory:...

aio-tinder (>=0.1.1, <=0.1.3), muffin (0.9.0) +3 more potentially affected by CVE-2026-34516 via aiohttp (0.22.5)

aiohttp PYPI version 0.22.5 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - aio-tinder =0.1.1, =0.0.3, =0.1.0, =0.4.0 Source cves: CVE-2026-34516 Source advisory: OSV:GHSA-M5QP-6W8W-W647...

aiobotocore (0.2.3), aiobotocore-botorange (>=0.1.0, <=0.2.3a0) +9 more potentially affected by CVE-2026-34516 via aiohttp (1.3.5)

aiohttp PYPI version 1.3.5 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - aiobotocore 0.2.3 - aiobotocore-botorange =0.1.0, =0.0.3a0, =1.2.0, =1.0.0, =3.0.2, =3.0.5 Source cves: CVE-2026-34516 Source advisory:...

iamine (>=0.1.5, <=0.1.6) potentially affected by CVE-2026-34516 via aiohttp (0.13.1)

aiohttp PYPI version 0.13.1 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - iamine =0.1.5, =0.1.6 Source cves: CVE-2026-34516 Source advisory: OSV:GHSA-M5QP-6W8W-W647...

geoffrey (>=0.1.0, <=0.1.2) potentially affected by CVE-2026-34516 via aiohttp (0.6.4)

aiohttp PYPI version 0.6.4 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - geoffrey =0.1.0, =0.1.2 Source cves: CVE-2026-34516 Source advisory: OSV:GHSA-M5QP-6W8W-W647...

aioauth-client (>=0.9.2, <=0.9.3), aiohttp-validate (>=0.1.0, <=1.0.0) +10 more potentially affected by CVE-2026-34516 via aiohttp (1.0.5)

aiohttp PYPI version 1.0.5 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - aioauth-client =0.9.2, =0.1.0, =0.0.7, =0.17.0b1, =0.32.0, =1.2.0, =0.10.3, =0.1.8a1, =1.0.0a2, =1.0.0a3 Source cves: CVE-2026-34516 Source...

pushpull (0.0.2) potentially affected by CVE-2026-34516 via aiohttp (0.22.0)

aiohttp PYPI version 0.22.0 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - pushpull 0.0.2 Source cves: CVE-2026-34516 Source advisory: OSV:GHSA-M5QP-6W8W-W647...

muffin (0.7.0), solo (0.0.1) potentially affected by CVE-2026-34516 via aiohttp (0.21.5)

aiohttp PYPI version 0.21.5 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - muffin 0.7.0 - solo 0.0.1 Source cves: CVE-2026-34516 Source advisory: OSV:GHSA-M5QP-6W8W-W647...

homeassistant (>=0.42.0, <=0.42.3) potentially affected by CVE-2026-34516 via aiohttp (2.0.5)

aiohttp PYPI version 2.0.5 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - homeassistant =0.42.0, =0.42.3 Source cves: CVE-2026-34516 Source advisory: OSV:GHSA-M5QP-6W8W-W647...

homeassistant (>=0.38.0, <=0.38.4), okami (>=0.1.2, <=0.1.3) +1 more potentially affected by CVE-2026-34516 via aiohttp (1.3.1)

aiohttp PYPI version 1.3.1 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - homeassistant =0.38.0, =0.1.2, =0.1.3 - pyatv 0.1.4 Source cves: CVE-2026-34516 Source advisory: OSV:GHSA-M5QP-6W8W-W647...