CVE-2026-54276

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, DigestAuthMiddleware can send an authentication response after following a cross-origin redirect. This likely requires an open redirect vulnerability or similar on the target domain for an attacker to...

CVE-2026-54279

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, host-only cookies that are saved with CookieJar.save and then restored later with CookieJar.load lose their host-only status. This vulnerability is fixed in 3.14.1...

CVE-2026-54278

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, during cleanup it is possible for a compressed request body to be decompressed into memory in one chunk. An attacker may be able to send a compressed payload in specific situations that could be...

CVE-2026-54280

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, payload resources are not closed correctly when a client disconnects in the middle of a write. If a payload is using an open file or similar limited resource, then an attacker may be able to cause...

hdx-data-freshness (>=1.0.5, <=1.1.2), pyplanet (>=0.6.0rc1, <=0.10.5) potentially affected by CVE-2026-54274 via aiohttp (2.3.9)

aiohttp PYPI version 2.3.9 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - hdx-data-freshness =1.0.5, =0.6.0rc1, =0.10.5 Source cves: CVE-2026-54274 Source advisory: OSV:PYSEC-2026-2108...

aiopogo (>=2.0.1, <=2.1.0b0), aiosparql (>=0.0.0, <=0.10.0a3) +6 more potentially affected by CVE-2026-54274 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-2026-54274 Source advisory: OSV:PYSEC-2026-2108...

aiogremlin (3.2.6rc1), aiopogo (>=2.0.2, <=2.0.4) +22 more potentially affected by CVE-2026-54274 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...

homeassistant (>=0.38.0, <=0.38.4), okami (>=0.1.2, <=0.1.3) +1 more potentially affected by CVE-2026-54274 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-2026-54274 Source advisory: OSV:PYSEC-2026-2108...

muffin (>=0.7.1, <=0.8.6) potentially affected by CVE-2026-54274 via aiohttp (0.21.6)

aiohttp PYPI version 0.21.6 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - muffin =0.7.1, =0.8.6 Source cves: CVE-2026-54274 Source advisory: OSV:PYSEC-2026-2108...

botstory (0.0.63) potentially affected by CVE-2026-54274 via aiohttp (2.0.1)

aiohttp PYPI version 2.0.1 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - botstory 0.0.63 Source cves: CVE-2026-54274 Source advisory: OSV:PYSEC-2026-2108...

duniterpy (0.40.8), jenkins-epo (>=1.159.0, <=1.160.0) potentially affected by CVE-2026-54274 via aiohttp (2.0.0rc1)

aiohttp PYPI version 2.0.0rc1 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - duniterpy 0.40.8 - jenkins-epo =1.159.0, =1.160.0 Source cves: CVE-2026-54274 Source advisory: OSV:PYSEC-2026-2108...

botstory (>=0.0.38, <=0.0.62), cr8 (0.9.1) +2 more potentially affected by CVE-2026-54274 via aiohttp (1.1.6)

aiohttp PYPI version 1.1.6 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - botstory =0.0.38, =0.0.5, =0.34.0, =0.35.3 Source cves: CVE-2026-54274 Source advisory: OSV:PYSEC-2026-2108...

iamine (>=0.1.5, <=0.1.6) potentially affected by CVE-2026-54274 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-2026-54274 Source advisory: OSV:PYSEC-2026-2108...

muffin (>=0.0.23, <=0.0.45) potentially affected by CVE-2026-54274 via aiohttp (0.14.4)

aiohttp PYPI version 0.14.4 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - muffin =0.0.23, =0.0.45 Source cves: CVE-2026-54274 Source advisory: OSV:PYSEC-2026-2108...

muffin (>=0.6.0, <=0.6.1) potentially affected by CVE-2026-54274 via aiohttp (0.21.2)

aiohttp PYPI version 0.21.2 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - muffin =0.6.0, =0.6.1 Source cves: CVE-2026-54274 Source advisory: OSV:PYSEC-2026-2108...

muffin (>=0.2.0, <=0.2.1) potentially affected by CVE-2026-54274 via aiohttp (0.17.4)

aiohttp PYPI version 0.17.4 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - muffin =0.2.0, =0.2.1 Source cves: CVE-2026-54274 Source advisory: OSV:PYSEC-2026-2108...

PYSEC-2026-2107

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, no limit was present on the number of pipelined requests that could be queued. An attacker may be able to use pipelined requests to use excessive amounts of memory, potentially leading to DoS. This...

aio-tinder (>=0.1.7, <=0.1.8) potentially affected by CVE-2026-54273 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-2026-54273 Source advisory: OSV:PYSEC-2026-2107...

muffin (>=0.0.107, <=0.1.0) potentially affected by CVE-2026-54273 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-2026-54273 Source advisory: OSV:PYSEC-2026-2107...

aiogremlin (>=3.2.4b1, <=3.2.5), goblin (2.0.0b1) +3 more potentially affected by CVE-2026-54273 via aiohttp (1.3.3)

aiohttp PYPI version 1.3.3 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - aiogremlin =3.2.4b1, =0.39.0, =1.0.0b1, =1.0.0b2 - okami 0.1.4 Source cves: CVE-2026-54273 Source advisory: OSV:PYSEC-2026-2107...