CVE Explorer

CVE-2026-54273

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 vulnerability is fixed in 3.14.1.

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:abf63e9d53320226434b5b91638ccd08138c2afff5cc0932dee8a3889bac4f3a

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"aiohttp","vendor":"aio-libs","versions":[{"status":"affected","version":"< 3.14.1"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:6ff74fe5275adfb6b6fc1ef840446b513513a658d9078c115b7644ee973111a5 · sha256:88806c4515a86dfc… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":6.6,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:6ff74fe5275adfb6b6fc1ef840446b513513a658d9078c115b7644ee973111a5 · sha256:88806c4515a86dfc… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion

{"cweId":"CWE-770","description":"CWE-770: Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:6ff74fe5275adfb6b6fc1ef840446b513513a658d9078c115b7644ee973111a5 · sha256:88806c4515a86dfc… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions

{"name":"https://github.com/aio-libs/aiohttp/commit/dfdfa9d5aad5d21f91c79fb2ceeba0f8046cb6cf","tags":["x_refsource_MISC"],"url":"https://github.com/aio-libs/aiohttp/commit/dfdfa9d5aad5d21f91c79fb2ceeba0f8046cb6cf"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:6ff74fe5275adfb6b6fc1ef840446b513513a658d9078c115b7644ee973111a5 · sha256:88806c4515a86dfc… · /containers/cna/references/1

{"name":"https://github.com/aio-libs/aiohttp/security/advisories/GHSA-4fvr-rgm6-gqmc","tags":["x_refsource_CONFIRM"],"url":"https://github.com/aio-libs/aiohttp/security/advisories/GHSA-4fvr-rgm6-gqmc"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:6ff74fe5275adfb6b6fc1ef840446b513513a658d9078c115b7644ee973111a5 · sha256:88806c4515a86dfc… · /containers/cna/references/0

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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