AZL-81782 CVE-2026-34525 affecting package python-aiohttp 3.6.2-3

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, multiple Host headers were allowed in aiohttp. This issue has been patched in version 3.13.4...

CVE-2026-34519

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an attacker who controls the reason parameter when creating a Response may be able to inject extra headers or similar exploits. This issue has been patched in version 3.13.4...

duniterpy (0.40.8), jenkins-epo (>=1.159.0, <=1.160.0) potentially affected by CVE-2026-34518 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-2026-34518 Source advisory: OSV:PYSEC-2026-2100...

aiobotocore (0.2.3), aiobotocore-botorange (>=0.1.0, <=0.2.3a0) +9 more potentially affected by CVE-2026-34520 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-2026-34520 Source advisory:...

aiobotocore (0.2.3), aiobotocore-botorange (>=0.1.0, <=0.2.3a0) +9 more potentially affected by CVE-2026-34525 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-2026-34525 Source advisory:...

PYSEC-2026-2103

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, multiple Host headers were allowed in aiohttp. This issue has been patched in version 3.13.4...

PYSEC-2026-2102

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, the C parser the default for most installs accepted null bytes and control characters in response headers. This issue has been patched in version 3.13.4...

ethereumd-proxy (>=0.1.2, <=0.3.0), homeassistant (>=0.49.0, <=0.50.2) +7 more potentially affected by CVE-2026-34520 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-2026-34520 Source...

ethereumd-proxy (>=0.1.2, <=0.3.0), homeassistant (>=0.49.0, <=0.50.2) +7 more potentially affected by CVE-2026-34518 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-2026-34518 Source...

ethereumd-proxy (>=0.1.2, <=0.3.0), homeassistant (>=0.49.0, <=0.50.2) +7 more potentially affected by CVE-2026-34525 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-2026-34525 Source...

UBUNTU-CVE-2026-34519

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an attacker who controls the reason parameter when creating a Response may be able to inject extra headers or similar exploits. This issue has been patched in version 3.13.4...

duniterpy (0.40.8), jenkins-epo (>=1.159.0, <=1.160.0) potentially affected by CVE-2026-34519 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-2026-34519 Source advisory: OSV:PYSEC-2026-2101...

DEBIAN-CVE-2026-34520

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, the C parser the default for most installs accepted null bytes and control characters in response headers. This issue has been patched in version 3.13.4...

DEBIAN-CVE-2026-34525

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, multiple Host headers were allowed in aiohttp. This issue has been patched in version 3.13.4...

DEBIAN-CVE-2026-34518

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, when following redirects to a different origin, aiohttp drops the Authorization header, but retains the Cookie and Proxy-Authorization headers. This issue has been patched in version 3.13.4...

AZL-81776 CVE-2026-34519 affecting package python-aiohttp 3.6.2-3

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an attacker who controls the reason parameter when creating a Response may be able to inject extra headers or similar exploits. This issue has been patched in version 3.13.4...

DEBIAN-CVE-2026-34519

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an attacker who controls the reason parameter when creating a Response may be able to inject extra headers or similar exploits. This issue has been patched in version 3.13.4...

CVE-2026-34520

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, the C parser the default for most installs accepted null bytes and control characters in response headers. This issue has been patched in version 3.13.4...

CVE-2026-34525

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, multiple Host headers were allowed in aiohttp. This issue has been patched in version 3.13.4...

CVE-2026-34519

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an attacker who controls the reason parameter when creating a Response may be able to inject extra headers or similar exploits. This issue has been patched in version 3.13.4...