CVE-2026-93960

Pixelfed OAuth Scope ApiV1Controller.php instancePeers missing authentication

MEDIUM
4.3
CVSS Score
Published: September 20, 2026 at 03:00 AM UTC
Updated: September 22, 2026 at 07:16 PM UTC
1 product affected across 1 vendorPixelfed

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.6%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (9)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/407919
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/407919/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-93960
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/944207
ExploitIssue Tracking
Source: cverecord
https://github.com/pixelfed/pixelfed/issues/6643
Issue TrackingPatch
Source: cverecord
https://github.com/pixelfed/pixelfed/pull/6774

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-306CWE-287

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