CVE-2026-54279 (GCVE-0-2026-54279)
Vulnerability from cvelistv5 – Published: 2026-06-22 16:32 – Updated: 2026-06-22 17:40
VLAI
EPSS
VEX
Title
AIOHTTP: Host-Only Cookies Become Domain Cookies After CookieJar Persistence
Summary
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, host-only cookies that are saved with CookieJar.save() and then restored later with CookieJar.load() lose their host-only status. This vulnerability is fixed in 3.14.1.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-22 17:40 UTC
CWE
- CWE-665 - Improper Initialization
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/aio-libs/aiohttp/security/advi… | x_refsource_CONFIRM |
| https://github.com/aio-libs/aiohttp/commit/a329a7… | x_refsource_MISC |
Impacted products
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
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They have not been verified by an analyst and are provided for guidance only.
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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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