CVE-2026-121730
Last modified
CVE-2026-121730 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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..
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.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| 0xdps | emailflare | < cf31f33bbb4a324d5353b8a5db0312fedc19618f |
References
Timeline
- Published
- Last Modified
- Status
- Received
Frequently Asked Questions
What is CVE-2026-121730?
How severe is CVE-2026-121730?
How do I fix CVE-2026-121730?
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-1217The Yoast Duplicate Post plugin for WordPress is vulnerable …5.4
- CVE-2026-12170The AcyMailing – An Ultimate Newsletter Plugin and Marketing…6.4
- CVE-2026-12171auto-changelog before 2.6.1 merges configuration from inside…7.8
- CVE-2026-121727Kore before 4.3.0 contains an integer underflow vulnerabilit…7.5
- CVE-2026-121728SourceHut meta.sr.ht 0.56.11 before 0.89.0 contains an autho…5.3
- CVE-2026-121729emailflare before commit cf31f33 contains a missing authoriz…8.3
- CVE-2026-121731RosarioSIS before 12.9 contains a sql injection vulnerabilit…8.8
- CVE-2026-121732RosarioSIS before 12.9 contains an improper authorization vu…2.7
- CVE-2026-121733Bagisto before 2.4.5 contains a stored cross-site scripting …5.4
- CVE-2026-121734ZaneOps 1.14.0 before 1.15.2 contains an authorization bypas…6.5
- CVE-2026-121735blueprintUE self-hosted edition before 4.3.4 contains an ins…3.7
- CVE-2026-121736NocoDB 0.300.0 before 2026.08.0 contains a missing authentic…5.3
Are you affected by CVE-2026-121730?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
