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| Package Name | Ecosystem | Vulnerable Versions | First Patched Version |
|---|---|---|---|
| moin | pip | < 1.6.3 | 1.6.3 |
| moin | pip | = 1.7 | 1.7.1 |
The vulnerability occurs when acl_hierarchic is enabled, causing page-level ACLs to be superseded by global acl_rights_after settings. This matches the behavior described in the MoinMoinBugs report and the referenced fixes in commits 543ae9bdbe26 (1.6) and 88356b3f849a (1.7). These commits modified ACL processing in the security module to correct the hierarchy evaluation order. The core issue resides in the AccessControlList class's handling of hierarchical ACL merging, where global rules improperly took precedence over page-specific rules despite the hierarchical setting.
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