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CVE-2026-93960

Pixelfed OAuth Scope ApiV1Controller.php instancePeers missing authentication

CVSS 4.0 5.3 MEDIUMCVSS 3.1 4.3 MEDIUMCVSS 3.0 4.3 MEDIUMCVSS 2.0 4.0 Check source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-93960

Published

A vulnerability was identified in Pixelfed up to 0.12.11. Impacted is the function instancePeers of the file app/Http/Controllers/Api/ApiV1Controller.php of the component OAuth Scope Handler. Such manipulation of the argument ID leads to missing authentication. The attack may be performed from remote. The exploit is publicly available and might be used. Upgrading to version 0.12.10 is recommended to address this issue. The name of the patch is 68dca5097305fa0065d029587b2233524636025a. Upgrading the affected component is advised.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-93960

Published

Pixelfed

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "n/a",
                    "product": "Pixelfed",
                    "versions": [
                        {
                            "version": "0.12.0",
                            "status": "affected"
                        },
                        {
                            "version": "0.12.1",
                            "status": "affected"
                        },
                        {
                            "version": "0.12.2",
                            "status": "affected"
                        },
                        {
                            "version": "0.12.3",
                            "status": "affected"
                        },
                        {
                            "version": "0.12.4",
                            "status": "affected"
                        },
                        {
                            "version": "0.12.5",
                            "status": "affected"
                        },
                        {
                            "version": "0.12.6",
                            "status": "affected"
                        },
                        {
                            "version": "0.12.7",
                            "status": "affected"
                        },
                        {
                            "version": "0.12.8",
                            "status": "affected"
                        },
                        {
                            "version": "0.12.9",
                            "status": "affected"
                        },
                        {
                            "version": "0.12.10",
                            "status": "affected"
                        },
                        {
                            "version": "0.12.11",
                            "status": "affected"
                        },
                        {
                            "version": "0.12.10",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:pixelfed:pixelfed:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "OAuth Scope Handler"
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON