CVE-2026-63498

Snipe-IT is an IT asset/license management system. Prior to 8.7.0, the uploaded-files API endpoint GET /api/v1/{object_type}/{id}/files/{file_id} allows an authenticated user with file-management access to upload XML and XSLT attachments and request them with the inline=true parameter. The app/Http/Controllers/Api/UploadedFilesController.php show() path does not apply the safe-inline allowlist used by the equivalent web controller, so the browser can process an attacker-controlled xml-stylesheet reference and execute JavaScript generated by the stylesheet in the Snipe-IT origin. A victim who is authorized to view the object must open the attachment URL, after which the script can read same-origin data and perform authenticated actions with the victim's privileges. This issue is fixed in version 8.7.0.

• CWE-79

• https://github.com/grokability/snipe-it/commit/e929b31f0b183c5810bd2b833c1f6f643cbe5284
• https://github.com/grokability/snipe-it/releases/tag/v8.7.0
• https://github.com/grokability/snipe-it/security/advisories/GHSA-396x-xmvh-p563

Published

Sep 24, 2026

Last Modified

Sep 25, 2026

Status

Awaiting Analysis

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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