# CVE-2026-120448: DoraCMS through 3.1.0 Mass Assignment via API Key Update Endpoint

Status: published. Published: 2026-11-02. Updated: 2026-11-02.

DoraCMS through 3.1.0 contains a mass assignment vulnerability in the PUT /api/v1/user/api-keys/:id endpoint that allows authenticated low-privileged users to rebind their API key to another user's account. Attackers can set the userId field on their own key to a victim's id, then act as that victim to modify profiles and publish or delete content.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- doramart / DoraCMS: ≥ 0; ≤ 3.1.0 (affected, semver). Source: CNA: VulnCheck

## Severity and prioritization

- CVSS 4.0: 8.6 (high); CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N; source: CNA: VulnCheck

- CVSS 3.1: 8.1 (high); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N; source: CNA: VulnCheck

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-915

## Exploit evidence

- exploit: https://vul.yulun.ac.cn/20261102/doracms/ (CNA: VulnCheck)

## References

- https://github.com/doramart/DoraCMS/commit/ede38eb06e0becbee9f19190ebf3ada90a369eb0 (CNA: VulnCheck; patch)

- https://vul.yulun.ac.cn/20261102/doracms/ (CNA: VulnCheck; exploit)

- https://github.com/doramart/DoraCMS/blob/70cf0fc6dba66ec51747162a3ce71da43baf251b/server/app/service/apiKey.js (CNA: VulnCheck; technical-description)

- https://www.vulncheck.com/advisories/doracms-through-3.1.0-mass-assignment-via-api-key-update-endpoint (CNA: VulnCheck; third-party-advisory)

## Provenance

- CNA: VulnCheck: https://www.cve.org/CVERecord?id=CVE-2026-120448; retrieved 2026-11-02; source updated 2026-11-02

Revision: d235f7f57e0a09f2814b84673e9b7e91640e7ee0907823a6cca738f990e7732a

Canonical: https://y2.dev/cve/CVE-2026-120448

## 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 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.