OPEXUS FOIAXpress Public Access Link (PAL) version v11.1.0 allows an unauthenticated, remote attacker to query the /App/CreateRequest.aspx endpoint to check for the existence of valid usernames. There are no rate-limiting mechanisms in place.CreditsNathan Spidle, CISAReferenceshttps://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-174-01.jsonhttps://www.cve.org/CVERecord?id=CVE-2025-54834https://docs.opexustech.com/docs/foiaxpress/11.12.0/FOIAXpress_Release_notes_11.12.3.0.pdf
