muffin (0.5.1) potentially affected by CVE-2026-34518 via aiohttp (0.20.1)

aiohttp PYPI version 0.20.1 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - muffin 0.5.1 Source cves: CVE-2026-34518 Source advisory: OSV:GHSA-966J-VMVW-G2G9...

aiohttp-cors (0.3.0), aslack (0.11.0) +1 more potentially affected by CVE-2026-34518 via aiohttp (0.20.2)

aiohttp PYPI version 0.20.2 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - aiohttp-cors 0.3.0 - aslack 0.11.0 - muffin =0.5.2, =0.5.12 Source cves: CVE-2026-34518 Source advisory: OSV:GHSA-966J-VMVW-G2G9...

aio-tinder (>=0.1.7, <=0.1.8) potentially affected by CVE-2026-34518 via aiohttp (1.0.1)

aiohttp PYPI version 1.0.1 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - aio-tinder =0.1.7, =0.1.8 Source cves: CVE-2026-34518 Source advisory: OSV:GHSA-966J-VMVW-G2G9...

muffin (>=0.10.0, <=0.10.2), mutaprops (>=0.6.0, <=0.6.1) potentially affected by CVE-2026-34518 via aiohttp (1.0.2)

aiohttp PYPI version 1.0.2 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - muffin =0.10.0, =0.6.0, =0.6.1 Source cves: CVE-2026-34518 Source advisory: OSV:GHSA-966J-VMVW-G2G9...

muffin (>=0.3.3, <=0.3.7) potentially affected by CVE-2026-34518 via aiohttp (0.18.4)

aiohttp PYPI version 0.18.4 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - muffin =0.3.3, =0.3.7 Source cves: CVE-2026-34518 Source advisory: OSV:GHSA-966J-VMVW-G2G9...

aiopogo (>=2.0.1, <=2.1.0b0), aiosparql (>=0.0.0, <=0.10.0a3) +6 more potentially affected by CVE-2026-34518 via aiohttp (2.1.0)

aiohttp PYPI version 2.1.0 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - aiopogo =2.0.1, =0.0.0, =0.46.0, =0.4.0, =0.0.2, =0.4.4 Source cves: CVE-2026-34518 Source advisory: OSV:GHSA-966J-VMVW-G2G9...

aiourlshortener (>=0.0.1, <=0.0.2) potentially affected by CVE-2026-34518 via aiohttp (2.0.2)

aiohttp PYPI version 2.0.2 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - aiourlshortener =0.0.1, =0.0.2 Source cves: CVE-2026-34518 Source advisory: OSV:GHSA-966J-VMVW-G2G9...

0x20bf (0.0.1), 2keys (0.5.1) +3262 more potentially affected by CVE-2026-34518 via aiohttp (>=3.0.0b0, <=3.13.3)

aiohttp PYPI version =3.0.0b0, =0.0.1a0, =0.0.15, =0.1.0, =0.5.0a0, =1.0.0, =1.0.0, =0.0.1, =1.0.2, =0.2.1, =0.1.2, =0.1.9 - ab-data-processing 0.0.1 and more Source cves: CVE-2026-34518 Source advisory: GHSA-966J-VMVW-G2G9...

muffin (>=0.4.0, <=0.4.2) potentially affected by CVE-2026-34518 via aiohttp (0.19.0)

aiohttp PYPI version 0.19.0 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - muffin =0.4.0, =0.4.2 Source cves: CVE-2026-34518 Source advisory: OSV:GHSA-966J-VMVW-G2G9...

Information Exposure

Overview Affected versions of this package are vulnerable to Information Exposure in the handling of cross-origin redirects, where Cookie and Proxy-Authorization headers are not properly removed. An attacker can obtain sensitive information by causing a user to follow a redirect to a malicious...

AIOHTTP leaks Cookie and Proxy-Authorization headers on cross-origin redirect

Summary When following redirects to a different origin, aiohttp drops the Authorization header, but retains the Cookie and Proxy-Authorization headers. Impact The Cookie and Proxy-Authorizations headers could contain sensitive information which may be leaked to an unintended party after following...

hassmart-homeassistant (0.60.0), homeassistant (>=0.60.0, <=0.60.1) +2 more potentially affected by CVE-2026-34518 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-2026-34518 Source advisory:...

aiobotocore (0.2.3), aiobotocore-botorange (>=0.1.0, <=0.2.3a0) +9 more potentially affected by CVE-2026-34517 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-2026-34517 Source advisory:...

devtools-proxy (>=0.0.2, <=0.0.3) potentially affected by CVE-2026-34517 via aiohttp (1.1.4)

aiohttp PYPI version 1.1.4 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - devtools-proxy =0.0.2, =0.0.3 Source cves: CVE-2026-34517 Source advisory: OSV:GHSA-3WQ7-RQQ7-WX6J...

muffin (0.5.1) potentially affected by CVE-2026-34517 via aiohttp (0.20.1)

aiohttp PYPI version 0.20.1 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - muffin 0.5.1 Source cves: CVE-2026-34517 Source advisory: OSV:GHSA-3WQ7-RQQ7-WX6J...

GHSA-3WQ7-RQQ7-WX6J 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...

EUVD-2026-18041

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

aioboto3 (>=1.1.0, <=2.1.0), aiobotocore (>=0.4.2, <=0.4.5) +2 more potentially affected by CVE-2026-34517 via aiohttp (2.3.0)

aiohttp PYPI version 2.3.0 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - aioboto3 =1.1.0, =0.4.2, =0.4.1b31, =0.6.0b19, =0.6.0b23 Source cves: CVE-2026-34517 Source advisory: OSV:GHSA-3WQ7-RQQ7-WX6J...

s2aio (>=1.12.0, <=1.14.0) potentially affected by CVE-2026-34517 via aiohttp (0.22.4)

aiohttp PYPI version 0.22.4 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - s2aio =1.12.0, =1.14.0 Source cves: CVE-2026-34517 Source advisory: OSV:GHSA-3WQ7-RQQ7-WX6J...

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...