Deserialization flaw in jxxghp MoviePilot Workflow Fork Endpoint
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-502.
Summary
jxxghp MoviePilot up to and including 3.1.2 is affected. The WorkflowExecutor.restore_context function in app/chain/workflow.py of the Workflow Fork Endpoint component does not properly validate input before deserializing it (CWE-20, CWE-502). A remote attacker with high privileges can trigger deserialization of manipulated data. A public exploit has been disclosed.
Written with Claude Haiku 5.5 from the sources below · 2026-11-06
Description from the CNA
A vulnerability was determined in jxxghp MoviePilot up to 3.1.2. This vulnerability affects the function WorkflowExecutor.restore_context of the file app/chain/workflow.py of the component Workflow Fork Endpoint. Executing a manipulation can lead to deserialization. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. Upgrading to version 3.1.3 is able to resolve this issue. This patch is called 6034dcc880c13079aeb398dbe32c346ebcd3a6d2. It is recommended to upgrade the affected component.
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
Remediation
Upgrade MoviePilot to version 3.1.3, which fixes this issue through patch 6034dcc880c13079aeb398dbe32c346ebcd3a6d2.
Written with Claude Haiku 5.5 from the sources below · 2026-11-06
- Fix · CNA MoviePilot (jxxghp) Fixed in 3.1.3
Timeline
- 2026-11-02 Threatist record created from CVE-2026-120320
- 2026-11-02 Alias added: GHSA-8gr5-327m-w3jx
- 2026-11-06 CISA SSVC decision points changed
- 2026-11-06 Priority changed: LOW → MEDIUM
References
Exploit 1
Patch 3
More jxxghp vulnerabilities
- TI-2026-09852 MoviePilot Path Traversal via Cloud Storage Download Handlers CVSS 4.0HIGH 7.2
- TI-2026-08860 MoviePilot v2 SSRF via /api/v1/system/img/{proxy} Endpoint CVSS 4.0HIGH 7.0
- TI-2026-74575 Command injection in MoviePilot allows remote code execution CVSS 4.0HIGH 8.7
- TI-2026-13565 jxxghp MoviePilot Application API improper authorization CVSS 4.0MEDIUM 5.3
Sources
- CVE-2026-120320 · CVE Program
- CVE-2026-120320 · NVD
- FIRST EPSS
- GHSA-8gr5-327m-w3jx · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences