CVE-2026-121730
6.5 MEDIUMpublic exploit availablePublished 2026-11-03 · Updated 2026-11-03
AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.
NVD description
emailflare before commit cf31f33 contains a missing authorization vulnerability in POST /api/inbox/compose that allows authenticated members to send mail as any sender address. Attackers can supply an arbitrary from field, which is passed unchecked to the Cloudflare send call, to impersonate other users or the organization to external recipients.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Weaknesses
CWE-862
Public exploit & PoC references
All references
- https://github.com/0xdps/emailflare
- https://github.com/0xdps/emailflare/blob/d448ea205937a5e82683f89013d4c23159da5b7d/services/inbox-worker/src/routes/inbox/compose.ts
- https://github.com/0xdps/emailflare/commit/cf31f33bbb4a324d5353b8a5db0312fedc19618f
- https://www.vulncheck.com/advisories/emailflare-before-commit-cf31f33-missing-authorization-via-inbox-compose-endpoint
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
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