CVE-2011-4030: PYSEC-2026-897 - Plone anonymous access to sub-objects in CMFEditions where KwAsAttributes classes were publishable

CVE-2011-4030 · Severity: info · Published 2026-07-06

Plone anonymous access to sub-objects in CMFEditions where KwAsAttributes classes were publishable

Technologies: plone (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2011-4030 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2011-4030 being exploited in the wild.
How severe is CVE-2011-4030?
Informational severity, published 6 July 2026.
Which products and versions are affected?
plone (PyPI) ECOSYSTEM:introduced=4.0,fixed=4.0.10, ECOSYSTEM:introduced=4.0,fixed=4.0.10,introduced=4.1,fixed=4.1.1,introduced=4.2a1,fixed=4.2a3.
Is there a fix for CVE-2011-4030?
Yes. plone (PyPI): upgrade to 4.0.10, 4.2a3 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2011-4030?
Check whether you run plone (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • plone (PyPI): upgrade to 4.0.10, 4.2a3 or later
    pip install "plone>=4.2a3"

Affected products

  • plone (PyPI) ECOSYSTEM:introduced=4.0,fixed=4.0.10, ECOSYSTEM:introduced=4.0,fixed=4.0.10,introduced=4.1,fixed=4.1.1,introduced=4.2a1,fixed=4.2a3

Identifiers

  • CVE-2011-4030
  • GHSA-pwgm-jvqv-6v8p
  • PYSEC-2026-897

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