PYSEC-2026-2112

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...

aiohttp-cors (0.3.0), aslack (0.11.0) +1 more potentially affected by CVE-2026-54278 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-2026-54278 Source advisory: OSV:PYSEC-2026-2111...

muffin (>=0.3.3, <=0.3.7) potentially affected by CVE-2026-54278 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-2026-54278 Source advisory: OSV:PYSEC-2026-2111...

aiobotocore (0.2.3), aiobotocore-botorange (>=0.1.0, <=0.2.3a0) +9 more potentially affected by CVE-2026-54275 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-2026-54275 Source advisory:...

muffin (>=0.7.1, <=0.8.6) potentially affected by CVE-2026-54275 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-2026-54275 Source advisory: OSV:PYSEC-2026-237...

ethereumd-proxy (>=0.1.2, <=0.3.0), homeassistant (>=0.49.0, <=0.50.2) +7 more potentially affected by CVE-2026-54278 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-2026-54278 Source...

pushpull (0.0.2) potentially affected by CVE-2026-54279 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-2026-54279 Source advisory: OSV:PYSEC-2026-2112...

aiourlshortener (>=0.0.1, <=0.0.2) potentially affected by CVE-2026-54280 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-2026-54280 Source advisory: OSV:PYSEC-2026-2113...

aioservice (0.0.1), devtools-proxy (0.0.4) +4 more potentially affected by CVE-2026-54280 via aiohttp (1.1.5)

aiohttp PYPI version 1.1.5 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - aioservice 0.0.1 - devtools-proxy 0.0.4 - fastcli 0.1.0 - goblin 1.0.0b2 - metadoc =0.9.1, =0.10.5 - python-functionsclient 0.0.1 Source cves:...

aiopixiv (1.0.5) potentially affected by CVE-2026-54279 via aiohttp (2.0.4)

aiohttp PYPI version 2.0.4 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - aiopixiv 1.0.5 Source cves: CVE-2026-54279 Source advisory: OSV:PYSEC-2026-2112...

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...

s2aio (>=1.12.0, <=1.14.0) potentially affected by CVE-2026-54276 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-2026-54276 Source advisory: OSV:PYSEC-2026-2109...

muffin (>=0.7.1, <=0.8.6) potentially affected by CVE-2026-54280 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-2026-54280 Source advisory: OSV:PYSEC-2026-2113...

muffin (>=0.0.107, <=0.1.0) potentially affected by CVE-2026-54279 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-2026-54279 Source advisory: OSV:PYSEC-2026-2112...

muffin (>=0.0.2, <=0.0.22) potentially affected by CVE-2026-54276 via aiohttp (0.14.1)

aiohttp PYPI version 0.14.1 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - muffin =0.0.2, =0.0.22 Source cves: CVE-2026-54276 Source advisory: OSV:PYSEC-2026-2109...

interest (0.0.1) potentially affected by CVE-2026-54276 via aiohttp (0.14.0)

aiohttp PYPI version 0.14.0 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - interest 0.0.1 Source cves: CVE-2026-54276 Source advisory: OSV:PYSEC-2026-2109...

aiopixiv (1.0.5) potentially affected by CVE-2026-54280 via aiohttp (2.0.4)

aiohttp PYPI version 2.0.4 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - aiopixiv 1.0.5 Source cves: CVE-2026-54280 Source advisory: OSV:PYSEC-2026-2113...

muffin (>=0.0.23, <=0.0.45) potentially affected by CVE-2026-54278 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-2026-54278 Source advisory: OSV:PYSEC-2026-2111...

homeassistant (>=0.58.0, <=0.58.1), pyplanet (>=0.5.0, <=0.5.2) +1 more potentially affected by CVE-2026-54280 via aiohttp (2.3.2)

aiohttp PYPI version 2.3.2 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - homeassistant =0.58.0, =0.5.0, =0.6.0, =0.6.2 Source cves: CVE-2026-54280 Source advisory: OSV:PYSEC-2026-2113...

muffin (>=0.3.0, <=0.3.2) potentially affected by CVE-2026-54278 via aiohttp (0.18.3)

aiohttp PYPI version 0.18.3 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - muffin =0.3.0, =0.3.2 Source cves: CVE-2026-54278 Source advisory: OSV:PYSEC-2026-2111...