PYSEC-2026-2076

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Import Source
https://github.com/pypa/advisory-database/blob/main/vulns/zope/PYSEC-2026-2076.yaml
JSON Data
https://api.osv.dev/v1/vulns/PYSEC-2026-2076
Aliases
Published
2026-07-07T14:34:43Z
Modified
2026-07-13T16:43:09Z
Severity
  • 9.1 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H CVSS Calculator
  • 6.6 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U CVSS Calculator
Summary
Access control vulnerable to user data deletion by anonynmous users
Details

Impact

Anonymous users can delete the user data maintained by an AccessControl.userfolder.UserFolder which may prevent any privileged access.

Patches

The problem is fixed in version 7.2.

Workarounds

The problem can be fixed by adding data__roles__ = () to AccessControl.userfolder.UserFolder.

References

https://github.com/zopefoundation/AccessControl/issues/159

References

Affected packages

PyPI / zope

Package

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.11.1

Affected versions

4.*
4.0b1
4.0b2
4.0b3
4.0b4
4.0b5
4.0b6
4.0b7
4.0b8
4.0b9
4.0b10
4.0
4.1
4.1.1
4.1.2
4.1.3
4.2
4.2.1
4.3
4.4
4.4.1
4.4.2
4.4.3
4.4.4
4.5
4.5.1
4.5.2
4.5.3
4.5.4
4.5.5
4.6
4.6.1
4.6.2
4.6.3
4.7
4.8
4.8.1
4.8.2
4.8.3
4.8.4
4.8.5
4.8.6
4.8.7
4.8.8
4.8.9
4.8.10
4.8.11
5.*
5.0a1
5.0a2
5.0
5.1
5.1.1
5.1.2
5.2
5.2.1
5.3
5.4
5.5
5.5.1
5.5.2
5.6
5.7
5.7.1
5.7.2
5.7.3
5.8
5.8.1
5.8.2
5.8.3
5.8.4
5.8.5
5.8.6
5.9
5.10
5.11

Database specific

source
"https://github.com/pypa/advisory-database/blob/main/vulns/zope/PYSEC-2026-2076.yaml"