Skip to content
Heist/ feed
High

Open Source Social Network (OSSN) through 10.1 IDOR via Message Attachment Route

Type: advisorySource: Official CVE List1 source record

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.

Announced Source revision 1
Original source ↗

CVE-2026-108164

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-108164

opensource-socialnetwork

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "vendor": "opensource-socialnetwork",
    "product": "opensource-socialnetwork",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "versionType": "custom",
        "lessThanOrEqual": "10.1"
      }
    ],
    "packageURL": "pkg:github/opensource-socialnetwork/opensource-socialnetwork",
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-108164

Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event
#20569 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement