CVE-2026-121730
Medium · 6.5CVSS
6.5
EPSS
0.2%
Published
Nov 3, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
Related vulnerabilities
- CVE-2026-121728 SourceHut meta.sr.ht 0.56.11 before 0.89.0 contains an authorization bypass vulnerability… CWE-862
- CVE-2026-121729 emailflare before commit cf31f33 contains a missing authorization vulnerability in the… CWE-862
- CVE-2026-116663 Tanium addressed an improper access controls vulnerability in Enforce. CWE-862
- CVE-2026-121253 Missing authorization in DevTools in Google Chrome prior to 157.0.8103.38 allowed a… CWE-862
- CVE-2026-121251 Missing authorization in V8 in Google Chrome prior to 157.0.8103.38 allowed a remote… CWE-862
- CVE-2026-121194 Missing authorization in SiteIsolation in Google Chrome prior to 157.0.8103.38 allowed a… CWE-862
- CVE-2026-121199 Missing authorization in Chromoting in Google Chrome on on Mac prior to 157.0.8103.38… CWE-862
- CVE-2026-121169 Missing authorization in DevTools in Google Chrome prior to 157.0.8103.38 allowed a… CWE-862