Pixelfed OAuth Scope ApiV1Controller.php instancePeers missing authentication
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
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Pixelfed | 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 | 0.12.10 | Patch available | CNA |
- 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
Remediation
- Fix · CNA Pixelfed Fixed in 0.12.10
Timeline
- 2026-10-02 Threatist record created from CVE-2026-93960
- 2026-10-03 Alias added: GHSA-5jhw-m65c-75cw
References
Sources
- CVE-2026-93960 · CVE Program
- CVE-2026-93960 · NVD
- FIRST EPSS
- GHSA-5jhw-m65c-75cw · GitHub Advisory Database · CC BY 4.0
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