# CVE-2026-121940: Stonewuu ai-fusion-video before 1.3.0 IDOR via Project, Asset and Script Controllers

Status: published. Published: 2026-11-04. Updated: 2026-11-04.

Stonewuu ai-fusion-video before 1.3.0 contains an insecure direct object reference vulnerability that allows authenticated users to access other users' projects by supplying unscoped object ids. Attackers can enumerate auto-increment ids on /api/project, /api/asset and /api/script handlers to read, overwrite, cascade-delete data, and add themselves as project members.

## Remediation

- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: VulnCheck) — https://github.com/Stonewuu/ai-fusion-video/commit/4724a1a4173171c3d4d067f38840a6093a8c4d46

## Affected products and versions

- Stonewuu / ai-fusion-video (Stonewuu/ai-fusion-video): ≥ 0; < 1.3.0 (affected, semver). Source: CNA: VulnCheck

## Severity and prioritization

- CVSS 4.0: 8.7 (high); CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N; source: CNA: VulnCheck

- CVSS 3.1: 8.8 (high); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H; source: CNA: VulnCheck

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-639

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://github.com/Stonewuu/ai-fusion-video/issues/69 (CNA: VulnCheck; issue-tracking)

- https://hackmd.io/@hieuPenguinnn/ai-fusion-video-idor-bola-project-asset (CNA: VulnCheck; third-party-advisory)

- https://github.com/Stonewuu/ai-fusion-video/commit/4724a1a4173171c3d4d067f38840a6093a8c4d46 (CNA: VulnCheck; patch)

- https://github.com/Stonewuu/ai-fusion-video/blob/v1.2.0/ai-fusion-video/src/main/java/com/stonewu/fusion/controller/project/ProjectController.java#L37-L113 (CNA: VulnCheck; technical-description)

- https://www.vulncheck.com/advisories/stonewuu-ai-fusion-video-before-1.3.0-idor-via-project-asset-and-script-controllers (CNA: VulnCheck; third-party-advisory)

## Provenance

- CNA: VulnCheck: https://www.cve.org/CVERecord?id=CVE-2026-121940; retrieved 2026-11-04; source updated 2026-11-04

Revision: ffba9056c723ab22124adf2ba83bef87fba291dc3b099f68b4fdcb60b6e85acd

Canonical: https://y2.dev/cve/CVE-2026-121940

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.