CVE-2026-110230XBackBone through 3.8.2 Missing Authorization via Upload Vanity Endpoint
Updated under an hour ago ()
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It affects sergix44 XBackBone. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 5.4 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
- Weakness (CWE)
- CWE-862
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Awaiting Analysis
- Record last updated
- Oct 13, 2026
- First seen by InfoSec Signals
- Oct 13, 2026
Affected products
sergix44 XBackBone sergix44:xbackbone (from the name) | through 3.8.2 | CNA record |
References
- https://github.com/sergix44/xbackbone/pull/671patch, issue-tracking
- https://github.com/sergix44/xbackbone/commit/5e91a2a9859d20e41ee2e2403cfbe673804f6221patch
- https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/ByAj-Xoiflthird-party-advisory
- https://github.com/sergix44/xbackbone/blob/226af4f0cec218f563da6d53ececfa4708e6f3e7/app/Controllers/MediaController.php#L204-L229technical-description
- https://github.com/sergix44/xbackboneproduct
- https://www.vulncheck.com/advisories/xbackbone-through-3.8.2-missing-authorization-via-upload-vanity-endpointthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.