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CVE-2026-108164

Publié : 10 octobre 2026
Modifié : 10 octobre 2026
Lien officiel NVD
Score CVSS
6.5
MEDIUM

Description détaillée

Open Source Social Network (OSSN) through 10.1 contains an insecure direct object reference vulnerability in components/OssnMessages/ossn_com.php that allows authenticated users to read other users' private message attachments. Attackers can request the /messages/attachment/{guid} route with sequential or guessed file GUIDs to retrieve attachments from private conversations without sender or recipient verification.

Vecteur d'attaque (CVSS)

Vecteur brut :CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Références et Patchs

https://github.com/opensource-socialnetwork/opensource-socialnetworkhttps://github.com/opensource-socialnetwork/opensource-socialnetwork/blob/48b53f5b95488187715b2d5b5ae46a993267f83d/components/OssnMessages/ossn_com.php#L149-L156https://github.com/opensource-socialnetwork/opensource-socialnetwork/commit/2e9733d8eaafccdaef3d9b498348c8332e51f48bhttps://github.com/opensource-socialnetwork/opensource-socialnetwork/issues/2641https://hackmd.io/@leediay/ossn-idor-message-attachmenthttps://www.vulncheck.com/advisories/open-source-social-network-ossn-through-10.1-idor-via-message-attachment-route

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