Pageflow vulnerable to insecure direct object reference in membership update endpointGHSA-qcqv-38jg-2r43
Fix: codevise/pageflow#1862GHSA-qcqv-38jg-2r43 is a security vulnerability in pageflow. A fix is available for pageflow — see the affected versions and patch details below.
Real-World Exposure
pageflow💎pageflowReal-time download stats are indexed for npm and PyPI packages. This vulnerability affects RubyGems packages — download data is not available via public APIs for these ecosystems.
Description
Impact
Pageflow has a membership edit feature which allows users to edit the roles of user memberships associated with an account that they have the manager role to (including their own). While the Entity dropdown select field is greyed out in the UI, an attacker can use tools which allow sending arbitrary HTTP request to craft a request to the /admin/users/{user_id}/memberships/{membership_id} endpoint containing an additional membership[entity_id] parameter. This parameter is honored when the membership is updated, allowing an attacker to update the membership object associated with their own account (with manager role) to be associated with a different attacker-chosen account instead. Since account_ids are enumerable, an attacker can compromise all accounts present on the platform.
Mitigation
Upgrade to version 15.7.1 or 14.5.2 of the pageflow gem.
For more information
If you have any questions or comments about this advisory email us at info(at)codevise.de
Credits
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 💎RubyGems | pageflow | all versions | 14.5.2bundle update pageflow --conservative |
| 💎RubyGems | pageflow | ≥ 15.0.0&&< 15.7.1 | 15.7.1bundle update pageflow --conservative |
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for pageflow, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update pageflow to 14.5.2 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-qcqv-38jg-2r43 is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.
Frequently Asked Questions
Is GHSA-qcqv-38jg-2r43 in your dependencies?
Find it across RubyGems, including transitive dependencies.