CVE-2026-108950CWE-862broken-access-control

CVE-2026-108950

Medium · published October 12, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
24.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
6.9 · 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
EPSS
0.00326 · 24.4th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-10-12T17:17Z
References (6)
https://github.com/opensource-socialnetwork/opensource-socialnetwork · [email protected]https://github.com/opensource-socialnetwork/opensource-socialnetwork/blob/48b53f5b95488187715b2d5b5ae46a993267f83d/components/OssnPhotos/ossn_com.php#L481-L521 · [email protected]https://github.com/opensource-socialnetwork/opensource-socialnetwork/commit/cb7c24e70f8c4470ee485caac4889885d2e120b3 · [email protected]https://github.com/opensource-socialnetwork/opensource-socialnetwork/issues/2641 · [email protected]https://hackmd.io/@leediay/multiple-ossn-v10_vulnerable · [email protected]https://www.vulncheck.com/advisories/open-source-social-network-ossn-through-10.1-missing-authorization-via-album-photo-routes · [email protected]
EPSS history
Timeline
  • 14 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 12 OCT 12:13Z
    Open Source Social Network (OSSN) through 10.1 Missing Authorization via Album Photo Routes
    cvelistv5
  • 12 OCT 12:13Z
    Open Source Social Network (OSSN) through 10.1 Missing Authorization via Album Photo Routes
    cvelistv5