CVE-2026-108950
Open Source Social Network (OSSN) through 10.1 Missing Authorization via Album Photo Routes
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-862 |
| Vendor | opensource-socialnetwork |
| Product | opensource-socialnetwork |
| Published | Oct 12, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Affected Versions
opensource-socialnetwork / opensource-socialnetwork
0 ≤ 10.1
References
github.com: https://github.com/opensource-socialnetwork/opensource-socialnetwork/issues/2641 github.com: https://github.com/opensource-socialnetwork/opensource-socialnetwork/commit/cb7c24e70f8c4470ee485caac4889885d2e120b3 hackmd.io: https://hackmd.io/@leediay/multiple-ossn-v10_vulnerable github.com: https://github.com/opensource-socialnetwork/opensource-socialnetwork/blob/48b53f5b95488187715b2d5b5ae46a993267f83d/components/OssnPhotos/ossn_com.php#L481-L521 github.com: https://github.com/opensource-socialnetwork/opensource-socialnetwork vulncheck.com: https://www.vulncheck.com/advisories/open-source-social-network-ossn-through-10.1-missing-authorization-via-album-photo-routes
Credits
leediay153 from Viettel Post