Vulnerability Database · PyPI · flask-caching · Version
flask-caching 2.4.0
2.4.0 is affected by 2 vulnerabilities.
The vulnerabilities that cover this exact version are listed below with the fixed version to move to. The upgrade Vulert recommends: 2.5.1.
Critical 0 High 0 Medium 1 Low 0 Unrated 1
-
Released 17 Apr 2026
Licence BSD-3-Clause
Also known from other sources 0
Newer releases 32
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
flask-caching 2.4.0 vulnerabilities
2 vulnerabilities cover flask-caching 2.4.0. Open the full list in the database.
| Vulnerability | Severity | Fixed version | Disclosed |
|---|---|---|---|
| CVE-2021-33026: Deserialization of Untrusted Data in Flask-Caching | 4.2 medium | No fix published | 18 Jun 2021 |
| CVE-2021-33026: Flask-Caching Remote Code Execution Vulnerability | N/A unrated | No fix published | 13 May 2021 |
Looking for another version, or everything Vulert holds for flask-caching?
Questions
About flask-caching 2.4.0
Is flask-caching 2.4.0 vulnerable?
Yes. 2 vulnerabilities in the Vulert database cover flask-caching 2.4.0: 0 critical, 0 high, 1 medium and 0 low, plus 1 not yet rated. The upgrade Vulert recommends is 2.5.1, and each entry above names the fixed version to move to.
Which version of flask-caching should I use instead of 2.4.0?
2.5.1 is the version Vulert recommends for this release line. The version table on the package page lists every release with the vulnerabilities recorded against it.
Is 2.4.0 the latest release of flask-caching?
No. 2.4.0 was published 17 Apr 2026, 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 flask-caching for upcoming vulnerabilities?
Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the flask-caching version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.