CVE-2014-1832: Phusion Passenger 4.0.37 allows local users to write to certain files and directories via a symlink attack...

Security readout for executives and security teams

CVE-2014-1832 is a local file-write issue in Phusion Passenger 4.0.37. A user who already has local access to the host may abuse symlink handling around Passenger runtime files. This matters most on shared servers or systems where untrusted users or applications can write in Passenger-related temporary/runtime locations. Exposure is most likely where Phusion Passenger 4.0.37 is installed on multi-user or shared application hosts. Systems without untrusted local users are lower risk, but package provenance should still be checked against upstream and distribution advisories. Treat this as a targeted remediation item, not an emergency remote-exploit event. Prioritize shared hosting, legacy Ruby application servers, and any host where untrusted local users exist. Patch through supported vendor channels and confirm old Passenger 4.0.37 deployments are gone. Mitigation focus: Inventory systems running Phusion Passenger and identify any 4.0.37 deployments.; Apply vendor or distribution updates that address CVE-2014-1832.; Review the upstream commit and distro advisories for the applicable fixed package..

Prepared

Jun 13, 2026, 22:56 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.