CVE-2026-108950

CVSS 6.9 (medium) · published 2026-10-12

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.

Weakness: CWE-862

Source: NVD CVE-2026-108950

References

• https://github.com/opensource-socialnetwork/opensource-socialnetwork
• https://github.com/opensource-socialnetwork/opensource-socialnetwork/blob/48b53f5b95488187715b2d5b5ae46a993267f83d/components/OssnPhotos/ossn_com.php#L481-L521
• https://github.com/opensource-socialnetwork/opensource-socialnetwork/commit/cb7c24e70f8c4470ee485caac4889885d2e120b3
• https://github.com/opensource-socialnetwork/opensource-socialnetwork/issues/2641
• https://hackmd.io/@leediay/multiple-ossn-v10_vulnerable
• https://www.vulncheck.com/advisories/open-source-social-network-ossn-through-10.1-missing-authorization-via-album-photo-routes

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