CVE-2021-33026
MediumAdvisory
Published 18 Jun 2021In the index since 6 Sept 2026
- Severity
- Medium
- worst across findings
- CVSS
- 4.2
- base score, highest
- EPSS
- 0.070
- 94th percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 5
- of 17,781 indexed, latest versions
- Container images
- 4
- deployed by those charts
- Fix available
- None
- affected package
Deserialization of Untrusted Data in Flask-Caching
Carried by container images the latest versions of 5 of 17,781 indexed charts deploy, on 4 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| flask-cachingpypi | 1.4.0, 1.7.2, 1.10.1 | no fix listed | 4 |
- OSV records
- GHSA-656c-6cxf-hvcv
Charts affected
5 by stars
Container images carrying it
4 by charts deploying them
A fixed version is listed for 0 of the 1 affected package.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| amancevice/ | 12a0a9e66550 | flask-caching | no fix listed | 2 |
| amancevice/ | c8c04bfe3d66 | flask-caching | no fix listed | 1 |
| apache/ | 975ab033580d | flask-caching | no fix listed | 1 |
| ghcr.io/ | e59ebde55709 | flask-caching | no fix listed | 1 |