CVE-2026-108164
Last modified
CVE-2026-108164 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 0.26% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| opensource-socialnetwork | opensource-socialnetwork | <= 10.1 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
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Scan your code nowSource: NVD / NIST