CVE-2026-54551

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Source
https://cve.org/CVERecord?id=CVE-2026-54551
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-54551.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-54551
Aliases
  • GHSA-r45j-3jxf-wgfr
Published
2026-09-17T17:10:53Z
Modified
2026-09-19T03:45:48Z
Severity
  • 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
Summary
WireGuard Portal: Authenticated WebSocket /api/v0/ws broadcasts all peers' and interfaces' traffic stats to every user (missing per-user authorization)
Details

WireGuard Portal, or wg-portal, is a web-based configuration portal for WireGuard server management. From 2.2.0 until 2.3.0, the authenticated GET /api/v0/ws statistics WebSocket in internal/app/api/v0/handlers/endpoint_websocket.go subscribes to TopicPeerStatsUpdated and TopicInterfaceStatsUpdated and forwards every TrafficDelta event without per-user authorization in handleWebsocket(). A low-privilege user can enumerate peer public keys through EntityId and monitor BytesReceived and BytesTransmitted values for peers belonging to other users. The same connection exposes interface_stats and interface names that the REST API limits to administrators. Tunnel content, AllowedIPs, and user identities remain authorization-gated. This issue is fixed in version 2.3.0.

Database specific 
{
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-285"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/54xxx/CVE-2026-54551.json"
}
References

Affected packages

Git / github.com/h44z/wg-portal

Affected ranges

Type
GIT
Repo
https://github.com/h44z/wg-portal
Events
Introduced
b553375c435a41d807541c209d5489db6d16c070
Fixed
316f389f11f3129f8603fcf3014fa7f19d7b3273
Fixed
9dc87dda4f4595952d3bbaf685a8075eb1df68f9
Database specific
Show details 
{
    "extracted_events": [
        {
            "introduced": "2.2.0"
        },
        {
            "fixed": "2.3.0"
        }
    ],
    "source": [
        "AFFECTED_FIELD",
        "REFERENCES"
    ]
}

Affected versions

v2.*
v2.2.0
v2.2.1
v2.2.2
v2.2.3

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-54551.json"