MEDIUMCVSS v3.1 6.5Vulnerability
CVE-2026-121730
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.
Properties
- Severity
- MEDIUM
- Nvd fetched at
- 2026-11-04T01:29:06.847378+00:00
- Cvss score
- 6.5
- Cvss severity
- MEDIUM
- Retrieved at
- 2026-11-04T01:30:00+00:00
- Score
- 6.5
- Last source
- NVD
- Cvss version
- 3.1
- Cve id
- CVE-2026-121730
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
- First seen by Signal
- 2026-11-04T01:30:00+00:00
- Name
- CVE-2026-121730
- Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
- Published at
- 2026-11-03T23:17:36.590
- Last modified
- 2026-11-03T23:17:36.590
Related Entities (1)
HAS_WEAKNESS (1)
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