Hi,

The following vulnerability was published for flask-caching.

CVE-2021-33026[0]:
| The Flask-Caching extension through 1.10.1 for Flask relies on Pickle
| for serialization, which may lead to remote code execution or local
| privilege escalation. If an attacker gains access to cache storage
| (e.g., filesystem, Memcached, Redis, etc.), they can construct a
| crafted payload, poison the cache, and execute Python code.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2021-33026
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33026
[1] https://github.com/sh4nks/flask-caching/pull/209

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore