CVE-2026-108950
Open Source Social Network (OSSN) through 10.1 Missing Authorization via Album Photo Routes
- State
- Published
- Severity
- 6.9 Medium
- Published
- Oct 12, 2026
- Updated
- Oct 18, 2026
- Reserved
- Oct 11, 2026
Description
Open Source Social Network (OSSN) through 10.1 contains a missing authorization vulnerability in ossn_album_page_handler that allows unauthenticated attackers to download files via album/getphoto and album/getcover. Attackers can enumerate sequential file GUIDs to retrieve friends-only album photos and other stored files without any access check.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N | VulnCheck |
Weaknesses
- CWE-862 Missing Authorization
Affected Products
| Product | Versions |
|---|---|
opensource-socialnetworkopensource-socialnetwork |
|
References
- https://github.com/opensource-socialnetwork/opensource-socialnetwork/issues/2641issue-tracking
- https://github.com/opensource-socialnetwork/opensource-socialnetwork/commit/cb7c24e70f8c4470ee485caac4889885d2e120b3patch
- https://hackmd.io/@leediay/multiple-ossn-v10_vulnerableexploittechnical-description
- https://github.com/opensource-socialnetwork/opensource-socialnetwork/blob/48b53f5b95488187715b2d5b5ae46a993267f83d/components/OssnPhotos/ossn_com.php#L481-L521technical-description
- https://github.com/opensource-socialnetwork/opensource-socialnetworkproduct
- VulnCheck Advisory: Open Source Social Network (OSSN) through 10.1 Missing Authorization via Album Photo Routesthird-party-advisory
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