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TI-2026-63219 Aliases CVE-2026-93960GHSA-5jhw-m65c-75cw

Pixelfed OAuth Scope ApiV1Controller.php instancePeers missing authentication

Priority MEDIUM 57CWE-287Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-287.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00577 47th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Pixelfed: 0.12.10

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Pixelfed0.12.0; 0.12.1; 0.12.2; 0.12.3; 0.12.4; 0.12.5; 0.12.6; 0.12.7; 0.12.8; 0.12.9; 0.12.10; 0.12.110.12.10Patch availableCNA
  • Pixelfed Vendor— Affected 0.12.0; 0.12.1; 0.12.2; 0.12.3; 0.12.4; 0.12.5; 0.12.6; 0.12.7; 0.12.8; 0.12.9; 0.12.10; 0.12.11 Fixed in 0.12.10 Patch available CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:pixelfed:pixelfed:*:*:*:*:*:*:*:*——pixelfed
  • cpe:2.3:a:pixelfed:pixelfed:*:*:*:*:*:*:*:* Versions — — ·pixelfed

Remediation

  • Fix · CNA Pixelfed Fixed in 0.12.10

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-93960
  2. 2026-10-03 Alias added: GHSA-5jhw-m65c-75cw

References

Sources