HIGH8.8
PYSEC-2026-737
SSRF attacks via tracebacks in Plone
Quick fix
PYSEC-2026-737 — plone-supermodel: upgrade to the fixed version with the command below.
pip install --upgrade 'plone-supermodel>=1.6.3'Details
Plone before 5.2.3 allows SSRF attacks via the tracebacks feature (only available to the Manager role).
Are you affected?
Enter the version of the package you're using.
Affected packages
PyPI/plone-supermodel
Introduced in:
0Fixed in: 1.6.3Fix
pip install --upgrade 'plone-supermodel>=1.6.3'References
- https://nvd.nist.gov/vuln/detail/CVE-2020-28735[ADVISORY]
- https://github.com/plone/Products.CMFPlone/issues/3209[WEB]
- https://dist.plone.org/release/5.2.3/RELEASE-NOTES.txt[WEB]
- https://github.com/advisories/GHSA-x7wf-5mjc-6x76[ADVISORY]
- https://github.com/pypa/advisory-database/tree/main/vulns/plone/PYSEC-2020-247.yaml[WEB]
- https://www.misakikata.com/codes/plone/python-en.html[WEB]
- https://pypi.org/project/plone-supermodel[PACKAGE]