Vulnerability Database · PyPI · autobahn · Version
autobahn 21.2.1
21.2.1 is affected by 2 vulnerabilities.
The vulnerabilities that cover this exact version are listed below with the fixed version to move to.
Critical 0 High 0 Medium 2 Low 0 Unrated 0
-
Released 11 Feb 2021
Licence MIT
Also known from other sources 2
Newer releases 161
Database updated 23/Oct/2026
Release and licence data published by PyPI. Licence information is not legal advice.
Concerned about your application's security?
Vulert continues monitoring your dependencies and alerts you when new vulnerabilities are disclosed. No installation and no source-code access required.
01 Vulnerabilities affecting this version
autobahn 21.2.1 vulnerabilities
2 vulnerabilities cover autobahn 21.2.1. Open the full list in the database.
| Vulnerability | Severity | Fixed version | Disclosed |
|---|---|---|---|
| CVE-2026-77528: Autobahn Python permessage-deflate Bypass of maxMessagePayloadSize After Inflation | 5.3 medium | 26.7.1 | 01 Oct 2026 |
| CVE-2026-77528: Autobahn Python permessage-deflate Bypass of maxMessagePayloadSize After Inflation | 5.3 medium | 26.7.1 | 22 Sep 2026 |
Looking for another version, or everything Vulert holds for autobahn?
Questions
About autobahn 21.2.1
Is autobahn 21.2.1 vulnerable?
Yes. 2 vulnerabilities in the Vulert database cover autobahn 21.2.1: 0 critical, 0 high, 2 medium and 0 low. Each entry above names the fixed version to move to.
Is 21.2.1 the latest release of autobahn?
No. 21.2.1 was published 11 Feb 2021, and newer releases exist. Newer is not automatically safer — the version table on the package page shows what each release carries.
How do I monitor autobahn for upcoming vulnerabilities?
Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the autobahn version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.