Vulnerability DatabaseCVE-2026-121729
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CVE-2026-121729
Published:November 03, 2026
Updated:November 04, 2026
emailflare before commit cf31f33 contains a missing authorization vulnerability in the inbox service /api/keys routes that allows any authenticated member to list, create and revoke API keys. Attackers can mint a global live API key accepted by /v1/send to send mail from any domain, or revoke existing keys to disable integrations.
Related Resources (6)
https://nvd.nist.gov/vuln/detail/CVE-2026-121729
https://github.com/0xdps/emailflare
https://github.com/0xdps/emailflare/blob/d448ea205937a5e82683f89013d4c23159da5b7d/services/inbox-worker/src/routes/keys.ts
https://github.com/0xdps/emailflare/commit/cf31f33bbb4a324d5353b8a5db0312fedc19618f
https://www.vulncheck.com/advisories/emailflare-before-commit-cf31f33-missing-authorization-via-api-keys-routes
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/121xxx/CVE-2026-121729.json
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CVSS v4
Base Score:
7.2
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Missing Authorization
CWE-862
EPSS
Base Score:
0.25