CVE-2026-121729

HIGHCVSS 8.3/10EPSS 0.25%

Last modified

CVE-2026-121729 is a high-severity vulnerability rated 8.3/10 on the CVSS scale. 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.. EPSS estimates a 0.25% chance of exploitation in the next 30 days.

Description

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.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
0xdpsemailflare< cf31f33bbb4a324d5353b8a5db0312fedc19618f

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-121729?
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.
How severe is CVE-2026-121729?
CVE-2026-121729 has a CVSS score of 8.3/10 (HIGH severity). The EPSS model estimates a 0.25% probability of exploitation in the next 30 days.
How do I fix CVE-2026-121729?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST