CVE-2026-110230

XBackBone through 3.8.2 Missing Authorization via Upload Vanity Endpoint

Published Oct 13, 2026 CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
XBackBone through 3.8.2 contains a missing authorization vulnerability that allows authenticated users to change other users' upload share codes via the POST /upload/{id}/vanity route. Attackers can supply sequential upload ids to MediaController::createVanity() to break existing share links and hijack the freed codes with their own uploads.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Sergix44
Sergix44 xbackbone
Vendors & Products Sergix44
Sergix44 xbackbone
Type Values Removed Values Added
Description XBackBone through 3.8.2 contains a missing authorization vulnerability that allows authenticated users to change other users' upload share codes via the POST /upload/{id}/vanity route. Attackers can supply sequential upload ids to MediaController::createVanity() to break existing share links and hijack the freed codes with their own uploads.
Title XBackBone through 3.8.2 Missing Authorization via Upload Vanity Endpoint
Weaknesses CWE-862
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Oct 13, 2026, 7:27 PM
Reserved
Oct 13, 2026, 5:59 PM
Status
Awaiting Analysis
Published
Oct 13, 2026, 7:18 PM
Modified
Oct 13, 2026, 8:17 PM