CVE-2026-108950

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.

CVSS 4.0

6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS

0.3% chance of exploitation in the next 30 days; higher than 25% of CVEs (scores of 2026-10-25)

CWE

CWE-862

Published

2026-10-12

Modified

2026-10-18

Record from

the NVD, synced 2026-10-19

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

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