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Response snapshot Nov 8, 2026, 22:35 UTC

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VulnerabilityGHSA-2g87-pp6c-29x5

aiohttp: Multiple instances of excessive or unbounded memory/CPU use

Multiple cases were found where aiohttp could use excessive or unbounded memory, or excessive CPU consumption on attacker controlled requests. An attacker could cause resource exhaustion through specially crafted requests.

At a glance

Exploited
Not known
Severity
Not scored yet
Chance of exploitation
Not estimated
Sources
1 source

What to do

GitHub lists first patched versions: aiohttp: 3.14.4. Confirm the affected range and upgrade guidance in the exact advisory.

Read GitHub-reviewed advisory GHSA-2g87-pp6c-29x5 (opens a new tab)

What happened

Summary

Multiple cases were found where aiohttp could use excessive or unbounded memory, or excessive CPU consumption on attacker controlled requests.

Impact

An attacker could cause resource exhaustion through specially crafted requests.

Continue reading

Affected package ranges reported by GitHub: aiohttp: <= 3.14.3

Related technology

Sources

  1. Primary source

    GitHub-reviewed advisory GHSA-2g87-pp6c-29x5 (opens a new tab)

    The public advisory supplies the description, affected package/version ranges, and any listed CVSS metric. GitHub review is not local review.

    Published Checked

  2. Primary source

    GitHub public advisory API page (opens a new tab)

    The API page supplied GHSA-2g87-pp6c-29x5, its actual identifiers, source dates, and structured metrics.

    Published Date not suppliedChecked

Cite this record

For factual claims, cite the primary sources above; cite KEVWire for its compilation, dates, and classifications.

APA

KEVWire. (2026, November 8). aiohttp: Multiple instances of excessive or unbounded memory/CPU use. https://kevwire.com/record/GHSA-2g87-pp6c-29x5

MLA

"aiohttp: Multiple instances of excessive or unbounded memory/CPU use." KEVWire, 8 Nov. 2026, kevwire.com/record/GHSA-2g87-pp6c-29x5.

Chicago

KEVWire. "aiohttp: Multiple instances of excessive or unbounded memory/CPU use." Last modified November 8, 2026. https://kevwire.com/record/GHSA-2g87-pp6c-29x5.

Evidence summary (plain text)

aiohttp: Multiple instances of excessive or unbounded memory/CPU use (Oct 19, 2026).
Multiple cases were found where aiohttp could use excessive or unbounded memory, or excessive CPU consumption on attacker controlled requests.

An attacker could cause resource exhaustion through specially crafted requests.
Sources:
GitHub-reviewed advisory GHSA-2g87-pp6c-29x5: https://github.com/advisories/GHSA-2g87-pp6c-29x5
GitHub public advisory API page: https://api.github.com/advisories?type=reviewed&per_page=100&sort=updated&direction=desc
Record ID: GHSA-2g87-pp6c-29x5.
Record origin: Ingested record.
AI evidence: Not assessed.
Known exploitation: Not assessed.
Zero-day status: Not assessed. KEV membership alone does not establish zero-day status.
About this data

This record was ingested from a data source. Retrieved: Nov 8, 2026, 21:00 UTC. Ingestion is not an independent editorial investigation.

A CISA KEV listing documents known exploitation, not necessarily a zero-day; absence from the catalog does not prove a vulnerability has never been exploited.

Technology tags indicate possible relevance, not verified exposure. Confirm the affected product, version, and configuration against your own inventory; KEVWire does not scan your systems.

A personal reading checklist on this device, not verified remediation.

Record JSON

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Record details

Record detail