scheb/two-factor-bundle bypass two-factor authentication with remember-me optionGHSA-9phw-7h96-q3rv
HIGHFix: scheb/two-factor-bundle@3fbca9eGHSA-9phw-7h96-q3rv is a high-severity (CVSS 7.4) vulnerability in scheb/two-factor-bundle. A fix is available for scheb/two-factor-bundle — see the affected versions and patch details below.
Real-World Exposure
scheb/two-factor-bundle🐘scheb/two-factor-bundleReal-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.
Description
In versions prior to 3.26.0 and prior to 4.11.0 of the "scheb/two-factor-bundle" project, a security vulnerability allowed attackers to bypass two-factor authentication (2FA) using the remember_me cookie. When the remember_me checkbox was used during login, a "REMEMBERME" cookie was created. Upon redirection to the 2FA page, attackers could manipulate the SESSIONID key, granting access to the homepage "/" and gaining authentication without completing 2FA.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 🐘Packagist | scheb/two-factor-bundle | ≥ 4.0.0&&< 4.11.0 | 4.11.0composer require scheb/two-factor-bundle:^4.11.0 |
| 🐘Packagist | scheb/two-factor-bundle | all versions | 3.26.0composer require scheb/two-factor-bundle:^3.26.0 |
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for scheb/two-factor-bundle, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update scheb/two-factor-bundle to 4.11.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-9phw-7h96-q3rv 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-9phw-7h96-q3rv in your dependencies?
Find it across Packagist, including transitive dependencies.