CVE-2026-34514: Improper Neutralization of CRLF Sequences in HTTP Headers

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an attacker who controls the contenttype parameter in aiohttp could use this to inject extra headers or similar exploits. This issue has been patched in version 3.13.4...

aiohttp injection vulnerability

Aiohttp is an open-source framework developed by aio-libs, used for asynchronous HTTP client/server interactions with asyncio and Python. Versions of AIOHTTP prior to 3.13.4 contained a injection vulnerability. This vulnerability allowed attackers to inject additional headers or perform similar...

CVE-2026-34525: Improper Input Validation

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...

aiohttp environmental issue vulnerabilities

aiohttp is an open-source framework developed by aio-libs, used for asynchronous HTTP client/server interactions with asyncio and Python. Versions of aiohttp prior to 3.13.4 contained environmental issues; these issues stemmed from aiohttp’s ability to allow multiple host headers...

aiohttp information leakage vulnerability

aiohttp is an open-source framework developed by aio-libs, used for asynchronous HTTP client/server interactions with asyncio and Python. Prior to version 3.13.4 of aiohttp, there was an information leakage vulnerability. This vulnerability occurred when aiohttp discarded the Authorization header...

aiohttp injection vulnerability

aiohttp is an open-source framework developed by aio-libs, used for asynchronous HTTP client/server interactions with asyncio and Python. Prior to version 3.13.4 of AIOHTTP, there was an injection vulnerability; this vulnerability stemmed from the C parser allowing empty bytes and control...

CVE-2026-34520: Improper Neutralization of CRLF Sequences in HTTP Headers

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...

aiohttp security vulnerabilities

Aiohttp is an open-source framework developed by aio-libs, used for asynchronous HTTP client/server interactions with asyncio and Python. Versions of AIOHTTP prior to 3.13.4 contained security vulnerabilities; these vulnerabilities stemmed from responses that included too many multipart headers,...

aiohttp code issue vulnerabilities

Aiohttp is an open-source framework developed by aio-libs, used for asynchronous HTTP client/server interactions with asyncio and Python. Versions of AIOHTTP prior to 3.13.4 contained code vulnerabilities; these vulnerabilities stemmed from the possibility that static resource handlers on Windows...

aiohttp injection vulnerability

Aiohttp is an open-source framework developed by aio-libs, used for asynchronous HTTP client/server interactions with asyncio and Python. Versions of AIOHTTP prior to 3.13.4 had a injection vulnerability. This vulnerability stemmed from the possibility that attackers could control the reason...

aiohttp security vulnerabilities

Aiohttp is an open-source framework developed by aio-libs, used for asynchronous HTTP client/server interactions with asyncio and Python. Versions of AIOHTTP prior to 3.13.4 contained security vulnerabilities; these vulnerabilities stemmed from insufficient handling of headers or trailers, which...

CVE-2026-34515: Absolute Path Traversal

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, on Windows the static resource handler may expose information about a NTLMv2 remote path. This issue has been patched in version 3.13.4...

OESA-2026-1682 python-aiohttp security update

Async http client/server framework asyncio. Security Fixes: AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Versions 3.13.2 and below contain parser logic which allows non-ASCII decimals to be present in the Range header. There is no known impact, but there is the...

actscene-ocr (>=0.1.3, <=0.1.5), aio-binance-library (>=2.0.1, <=2.0.6) +153 more potentially affected by CVE-2026-32875 via ujson (>=5.1.0, <=5.11.0)

ujson PYPI version =5.1.0, =0.1.3, =2.0.1, =0.1.0, =1.3.12, =1.0.5, =0.1.0a2, =0.0.1, =1.0.0, =2.2.0, =2.3.0 and more Source cves: CVE-2026-32875 Source advisory: MEND:CVE-2026-32875...

actscene-ocr (>=0.1.3, <=0.1.5), aio-binance-library (>=2.0.1, <=2.0.6) +153 more potentially affected by CVE-2026-32875 via ujson (>=5.1.0, <=5.11.0)

ujson PYPI version =5.1.0, =0.1.3, =2.0.1, =0.1.0, =1.3.12, =1.0.5, =0.1.0a2, =0.0.1, =1.0.0, =2.2.0, =2.3.0 and more Source cves: CVE-2026-32875 Source advisory: OSV:GHSA-C8RR-9GXC-JPRV...

PT-2026-29610

Name of the Vulnerable Software and Affected Versions AIOHTTP versions prior to 3.13.4 Description Multiple Host headers were permitted in AIOHTTP, potentially allowing a reverse proxy's security rules to be bypassed. This could lead to a request being processed by AIOHTTP in a privileged sub...

acryl-datahub-airflow-plugin (>=0.8.44.4rc1, <=0.9.2.1), aerismodsdk (>=0.1.1, <=0.1.5) +678 more potentially affected by CVE-2026-32597 via pyjwt (1.7.1)

pyjwt PYPI version 1.7.1 is affected by a known vulnerability. The following packages have a transitive dependency on pyjwt and may be impacted: - acryl-datahub-airflow-plugin =0.8.44.4rc1, =0.1.1, =1.6.2, =0.1.1, =0.6.0, =0.2.0, =0.0.3, =0.0.6, =0.0.1, =0.92.5, =2021.5.0b9 - alastria-identity...

aiohttp-ext-auth (>=0.1.1, <=0.1.2), ais-dom (>=0.76.5, <=0.91.5) +34 more potentially affected by CVE-2026-32597 via pyjwt (1.6.4)

pyjwt PYPI version 1.6.4 is affected by a known vulnerability. The following packages have a transitive dependency on pyjwt and may be impacted: - aiohttp-ext-auth =0.1.1, =0.76.5, =0.0.1, =0.0.1, =0.4.0, =1.0.0, =0.0.19, =0.5.0, =1.1.7, =0.31.0, =0.0.1, =0.0.2, =0.1.0 and more Source cves:...

SUSE SLES15 Security Update : python-aiohttp (SUSE-SU-2026:0859-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0859-1 advisory. - CVE-2025-69228: Fixed denial of service through large payloads bsc1256022. - CVE-2025-69226: Fixed brute-force leak of internal...

PT-2026-29609

Name of the Vulnerable Software and Affected Versions AIOHTTP versions prior to 3.13.4 Description The C parser, used by default in most installations, allowed null bytes and control characters within response headers. An attacker could leverage this to send header values that are interpreted...