aiohttp-session creates non-expiring sessions
aio-libs aiohttp-session version 2.6.0 and earlier contains a Other/Unknown vulnerability in EncryptedCookieStorage and NaClCookieStorage that can result in Non-expiring sessions / Infinite lifespan. This attack appear to be exploitable via Recreation of a cookie post-expiry with the same value.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | aiohttp-session | < 2.7.0 | 2.7.0 |
References
- https://github.com/aio-libs/aiohttp-session/pull/331
- https://github.com/aio-libs/aiohttp-session/issues/325
- https://github.com/advisories/GHSA-mr4x-c4v9-x729
- https://nvd.nist.gov/vuln/detail/CVE-2018-1000814
- https://github.com/aio-libs/aiohttp-session/commit/1b356f01bbab57d041c9a75bacd72fbbf8524728
- https://github.com/aio-libs/aiohttp-session
- https://github.com/pypa/advisory-database/tree/main/vulns/aiohttp-session/PYSEC-2018-35.yaml
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N- Weakness (CWE)
CWE-613- Platform
- Python (PyPI)
- Package
aiohttp-session- Disclosed
- 20.12.2018
- Updated
- 11.10.2026 12:19
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2018-35 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-mr4x-c4v9-x729 - CC BY 4.0
Vulnerability history: aiohttp-session
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 2
- First → latest
- 06.2018 12.2018
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 2
Disclosures per year
- 2018: 2
- 2019: 0
- 2020: 0
- 2021: 0
- 2022: 0
- 2023: 0
- 2024: 0
- 2025: 0
- 2026: 0
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aiohttp-session creates non-expiring sessions this entry
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