VDB
CVE-2026-111065
CVE-2026-111065
PUBLISHED
CVSS 6.9 MEDIUM
AIOHTTP: Connector pool exhaustion via Max-Age overflow
Reported by github_m · Published October 19, 2026
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.4, Max-Age processing can overflow and skip closing a connection. An attacker can consequently exhaust the connection pool temporarily until garbage collection resolves the connections. This issue is fixed in version 3.14.4.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| litellm-fips | Chainguard | 1.106.1-r1 |
| kserve | Chainguard | 0.21.0-r9 |
| commercial-gitlab-cng-ee-19.1 | Chainguard | 19.1.9-r0 |
| metaflow-service | Chainguard | 2.6.1-r5 |
| kserve | Wolfi | 0.21.0-r9 |
| py3.13-scanner-test-libraries-aiohttp | Chainguard | 0.0.1-r6 |
Risk scores
CVSS 4.0
6.9
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Affected products
| Vendor | Product | Versions |
|---|---|---|
| aio-libs | aiohttp | < 3.14.4 |
| chainguard | litellm-fips | 0 |
| chainguard | kserve | 0 |
| chainguard | commercial-gitlab-cng-ee-19.1 | 0 |
| chainguard | metaflow-service | 0 |
| wolfi | kserve | 0 |
| chainguard | py3.13-scanner-test-libraries-aiohttp | 0 |
| aio-libs | aiohttp | 0 |
| PyPI | aiohttp | 0 |
| chainguard | commercial-gitlab-cng-ee-fips-19.1 | 0 |
Timeline
- Oct 19, 2026 Coalition ESS Score
- Oct 19, 2026 CVE Published
- Oct 19, 2026 CVE Updated
- Oct 20, 2026 EPSS Score (7 in total, the first dated here)
- Oct 30, 2026 Security Advisory
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References
- https://github.com/aio-libs/aiohttp/security/advisories/GHSA-6cjc-53gc-5rqm x_refsource_CONFIRM
- https://github.com/aio-libs/aiohttp/commit/9dd8eaf4e31f1237ef2c1574a8c82a739fca5805 x_refsource_MISC
- https://github.com/aio-libs/aiohttp/releases/tag/v3.14.4 x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2026-111065 advisory
- https://github.com/advisories/GHSA-6cjc-53gc-5rqm advisory