Zope AccessControl vulnerable to information disclosure through Python string `format` and `format_map` functions

Impact Python's string format functionality allows someone controlling the format string to "read" objects accessible recursively via attribute access and subscription from accessible objects. Those attribute accesses and subscriptions use Python's full blown getattr and getitem, not the policy...

EUVD-2026-80790

Zope AccessControl vulnerable to information disclosure through Python string format and formatmap functions...

GHSA-PQ59-9FQ7-M886 Zope AccessControl vulnerable to information disclosure through Python string `format` and `format_map` functions

Impact Python's string format functionality allows someone controlling the format string to "read" objects accessible recursively via attribute access and subscription from accessible objects. Those attribute accesses and subscriptions use Python's full blown getattr and getitem, not the policy...

Zope AccessControl vulnerable to information disclosure through Python string `format` and `format_map` functions

Python's string format functionality allows someone controlling the format string to "read" objects accessible recursively via attribute access and subscription from accessible objects. Those attribute accesses and subscriptions use Python's full blown getattr and getitem, not the policy restrict...

CVE-2026-77401 Zope AccessControl: Information disclosure through Python string `format` and `format_map` functions

Zope AccessControl provides a general security framework for use in Zope. Prior to 7.4, applications that allow untrusted users to create and execute AccessControl-controlled Python code do not safely guard str.format and str.formatmap when those methods are reached through a str subclass. In bot...

CVE-2026-77401 Zope AccessControl: Information disclosure through Python string `format` and `format_map` functions

Zope AccessControl provides a general security framework for use in Zope. Prior to 7.4, applications that allow untrusted users to create and execute AccessControl-controlled Python code do not safely guard str.format and str.formatmap when those methods are reached through a str subclass. In bot...

CVE-2026-77401 Zope AccessControl: Information disclosure through Python string `format` and `format_map` functions

Zope AccessControl provides a general security framework for use in Zope. Prior to 7.4, applications that allow untrusted users to create and execute AccessControl-controlled Python code do not safely guard str.format and str.formatmap when those methods are reached through a str subclass. In bot...

CVE-2026-77401

Zope AccessControl prior to version 7.4 is vulnerable to information disclosure through Python string str.format and str.format_map functions. When these methods are reached via a str subclass in applications allowing untrusted users to execute AccessControl-controlled Python code, formatting in ...

CVE-2026-77401: Protection Mechanism Failure

Zope AccessControl provides a general security framework for use in Zope. Prior to 7.4, applications that allow untrusted users to create and execute AccessControl-controlled Python code do not safely guard str.format and str.formatmap when those methods are reached through a str subclass. In bot...

EUVD-2024-3250

Malicious code in bioql PyPI...

CVE-2024-51734

Zope AccessControl provides a general security framework for use in Zope. In affected versions anonymous users can delete the user data maintained by an AccessControl.userfolder.UserFolder which may prevent any privileged access. This problem has been fixed in version 7.2. Users are advised to...

CVE-2024-51734 User data deletion by anoynmous users in Zope

Zope AccessControl provides a general security framework for use in Zope. In affected versions anonymous users can delete the user data maintained by an AccessControl.userfolder.UserFolder which may prevent any privileged access. This problem has been fixed in version 7.2. Users are advised to...

CVE-2023-41050 Information disclosure through Python's "format" functionality in Zope AccessControl

AccessControl provides a general security framework for use in Zope. Python's "format" functionality allows someone controlling the format string to "read" objects accessible recursively via attribute access and subscription from accessible objects. Those attribute accesses and subscriptions use...

CVE-2023-41050 Information disclosure through Python's "format" functionality in Zope AccessControl

AccessControl provides a general security framework for use in Zope. Python's "format" functionality allows someone controlling the format string to "read" objects accessible recursively via attribute access and subscription from accessible objects. Those attribute accesses and subscriptions use...

CVE-2021-32807 Remote Code Execution via unsafe classes in otherwise permitted modules

The module AccessControl defines security policies for Python code used in restricted code within Zope applications. Restricted code is any code that resides in Zope's object database, such as the contents of Script Python objects. The policies defined in AccessControl severely restrict access to...