CVE-2026-108164 (GCVE-0-2026-108164)

Vulnerability from cvelistv5 – Published: 2026-10-10 13:55 – Updated: 2026-10-10 13:55
VLAI
Title
Open Source Social Network (OSSN) through 10.1 IDOR via Message Attachment Route
Summary
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.
Severity
7.1 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 5495 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
opensource-socialnetwork opensource-socialnetwork Affected: 0 , ≤ 10.1 (custom)
    cpe:2.3:a:opensource-socialnetwork:open_source_social_network:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-10-06 00:00
Credits
leediay153 from Viettel Post
Show details on NVD website
To clipboard 

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}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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