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...

muffin (>=0.0.107, <=0.1.0) potentially affected by CVE-2026-54277 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-2026-54277 Source advisory: OSV:PYSEC-2026-2110...

hdx-data-freshness (>=1.0.5, <=1.1.2), pyplanet (>=0.6.0rc1, <=0.10.5) potentially affected by CVE-2026-54275 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-2026-54275 Source advisory: OSV:PYSEC-2026-237...

muffin (>=0.0.105, <=0.0.106) potentially affected by CVE-2026-54275 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-2026-54275 Source advisory: OSV:PYSEC-2026-237...

botstory (0.0.63) potentially affected by CVE-2026-54275 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-2026-54275 Source advisory: OSV:PYSEC-2026-237...

homeassistant (>=0.42.0, <=0.42.3) potentially affected by CVE-2026-54278 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-2026-54278 Source advisory: OSV:PYSEC-2026-2111...

hassmart-homeassistant (0.60.0), homeassistant (>=0.60.0, <=0.60.1) +2 more potentially affected by CVE-2026-54280 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-2026-54280 Source advisory:...

aiohttp-cors (0.3.0), aslack (0.11.0) +1 more potentially affected by CVE-2026-54280 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-2026-54280 Source advisory: OSV:PYSEC-2026-2113...

muffin (>=0.1.5, <=0.1.6) potentially affected by CVE-2026-54278 via aiohttp (0.17.3)

aiohttp PYPI version 0.17.3 is affected by a known vulnerability. The following packages have a transitive dependency on aiohttp and may be impacted: - muffin =0.1.5, =0.1.6 Source cves: CVE-2026-54278 Source advisory: OSV:PYSEC-2026-2111...

iamine (>=0.1.5, <=0.1.6) potentially affected by CVE-2026-54278 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-2026-54278 Source advisory: OSV:PYSEC-2026-2111...

duniterpy (0.40.8), jenkins-epo (>=1.159.0, <=1.160.0) potentially affected by CVE-2026-54278 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-2026-54278 Source advisory: OSV:PYSEC-2026-2111...

aiopogo (>=2.0.1, <=2.1.0b0), aiosparql (>=0.0.0, <=0.10.0a3) +6 more potentially affected by CVE-2026-54280 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-2026-54280 Source advisory: OSV:PYSEC-2026-2113...

duniterpy (0.40.8), jenkins-epo (>=1.159.0, <=1.160.0) potentially affected by CVE-2026-54280 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-2026-54280 Source advisory: OSV:PYSEC-2026-2113...

muffin (>=0.7.1, <=0.8.6) potentially affected by CVE-2026-54278 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-2026-54278 Source advisory: OSV:PYSEC-2026-2111...

muffin (>=0.4.0, <=0.4.2) potentially affected by CVE-2026-54276 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-2026-54276 Source advisory: OSV:PYSEC-2026-2109...

CVE-2026-54277

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, it is possible to bypass the maxlinesize check in parts of an HTTP request in the C parser. If using the optimised C parser the default in pre-built wheels, then an attacker may be able to send...

aiobotocore (0.2.3), aiobotocore-botorange (>=0.1.0, <=0.2.3a0) +9 more potentially affected by CVE-2026-54280 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-2026-54280 Source advisory:...

PYSEC-2026-237

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, the serverhostname TLS SNI check can be bypassed when an existing connection is reused. If an application makes multiple requests to the same domain, but with different per-request serverhostname...

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...

interest (0.0.1) potentially affected by CVE-2026-54278 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-2026-54278 Source advisory: OSV:PYSEC-2026-2111...