CVE-2026-108950

Published: Oct 12, 2026Modified: Oct 18, 2026Deferred

6.9

Vector

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XShow less

Source: disclosure@vulncheck.com (Secondary)

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.

Related CWEs

Missing Authorization

The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

References (6)

https://github.com/opensource-socialnetwork/opensource-socialnetwork

Source: disclosure@vulncheck.com

https://github.com/opensource-socialnetwork/opensource-socialnetwork/blob/48b53f5b95488187715b2d5b5ae46a993267f83d/components/OssnPhotos/ossn_com.php#L481-L521

Source: disclosure@vulncheck.com

https://github.com/opensource-socialnetwork/opensource-socialnetwork/commit/cb7c24e70f8c4470ee485caac4889885d2e120b3

Source: disclosure@vulncheck.com

https://github.com/opensource-socialnetwork/opensource-socialnetwork/issues/2641

Source: disclosure@vulncheck.com

https://hackmd.io/@leediay/multiple-ossn-v10_vulnerable

Source: disclosure@vulncheck.com

https://www.vulncheck.com/advisories/open-source-social-network-ossn-through-10.1-missing-authorization-via-album-photo-routes

Source: disclosure@vulncheck.com

Timeline

No history available yet.