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.
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Advisories
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Fixes
Solution
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Workaround
No workaround given by the vendor.
References
History
Sat, 10 Oct 2026 14:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Title | Open Source Social Network (OSSN) through 10.1 IDOR via Message Attachment Route | |
| First Time appeared |
Opensource-socialnetwork
Opensource-socialnetwork open Source Social Network |
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| Weaknesses | CWE-639 | |
| CPEs | cpe:2.3:a:opensource-socialnetwork:open_source_social_network:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Opensource-socialnetwork
Opensource-socialnetwork open Source Social Network |
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| References |
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|
| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-10-10T13:55:14.834Z
Reserved: 2026-10-09T15:41:44.133Z
Link: CVE-2026-108164
No data.
Status : Received
Published: 2026-10-10T14:16:37.663
Modified: 2026-10-10T14:16:37.663
Link: CVE-2026-108164
No data.
OpenCVE Enrichment
Updated: 2026-10-10T15:30:17Z
Weaknesses