Skip to content
CVE PROGRAM SOURCE RECORD9.1 Critical

CVE-2026-23537

Feast: unauthenticated arbitrary file write

Description

A vulnerability has been identified in the Feast Feature Server’s `/save-document` endpoint that allows an unauthenticated remote attacker to write arbitrary JSON files to the server's filesystem. Although the system attempts to restrict file locations, these protections can be bypassed, enabling an attacker to overwrite vital application configurations or startup scripts. Because this flaw requires no credentials or special privileges, any attacker with network access to the server can potentially compromise the integrity of the system. This could lead to unauthorized system modifications, denial of service through disk exhaustion, or potential remote code execution.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Feast Feast Feature Server

Default version status: unaffected

  • 0 to < 0.59.0affected

Red Hat Red Hat OpenShift AI (RHOAI)

Default version status: unaffected

Red Hat Red Hat OpenShift AI (RHOAI)

Default version status: unaffected

Red Hat Red Hat OpenShift AI (RHOAI)

Default version status: unaffected

Red Hat Red Hat OpenShift AI (RHOAI)

Default version status: unaffected

Red Hat Red Hat OpenShift AI (RHOAI)

Default version status: unaffected

Red Hat Red Hat OpenShift AI (RHOAI)

Default version status: unaffected

Red Hat Red Hat OpenShift AI (RHOAI)

Default version status: unaffected

Red Hat Red Hat OpenShift AI (RHOAI)

Default version status: unaffected

Red Hat Red Hat OpenShift AI (RHOAI)

Default version status: unaffected

Red Hat Red Hat OpenShift AI (RHOAI)

Default version status: unaffected

Red Hat Red Hat OpenShift AI (RHOAI)

Default version status: unaffected

Red Hat Red Hat OpenShift AI (RHOAI)

Default version status: unaffected

Red Hat Red Hat OpenShift AI (RHOAI)

Default version status: unaffected

Red Hat Red Hat OpenShift AI (RHOAI)

Default version status: unaffected

References