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CVE-2026-110230 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:5.4 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/sergix44/xbackbone	[email protected]
https://github.com/sergix44/xbackbone/blob/226af4f0cec218f563da6d53ececfa4708e6f3e7/app/Controllers/MediaController.php#L204-L229	[email protected]
https://github.com/sergix44/xbackbone/commit/5e91a2a9859d20e41ee2e2403cfbe673804f6221	[email protected]
https://github.com/sergix44/xbackbone/pull/671	[email protected]
https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/ByAj-Xoifl	[email protected]
https://www.vulncheck.com/advisories/xbackbone-through-3.8.2-missing-authorization-via-upload-vanity-endpoint	[email protected]

see all 6 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-862	Missing Authorization	[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

Date	Action	Recorded By
Oct 13, 2026	CVE Modified	CISA-ADP
Oct 13, 2026	New CVE Received	[email protected]