CVE-2026-104084

SmarterMail < Build 9777 Stale JWT Role Claim Privilege Escalation via Refresh Token

CVSS score

8.7

EPSS probability

%0.3

Risk score

0.0

Published

9 d ago

Vulnerability Timeline (Change History)

CVE-2026-104084 historical changes made to the vulnerability by NVD, CISA and MITRE:

Date	Actor / Source	Action / Description	Type	Previous value	New value
12.10.2026	nvd@nist.gov	Initial Analysis & CVSS Vector Assignment	CVSS V3.1	—	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
09.10.2026	CISA Coordinator	SSVC Risk Re-assessment	SSVC / KEV	exploitation: none	exploitation: none
09.10.2026	MITRE / NVD	New CVE Record Received & Ingested	CVE Created	—	CVE-2026-104084

9.3

Patch verified Public Exploits:3EPSS %968 mo ago

10.0

Workaround Public Exploits:11EPSS %869 mo ago

9.3

Patch verified Public Exploits:3EPSS %888 mo ago

8.6

Patch verifiedEPSS %19 d ago

5.3

Patch verifiedEPSS %09 d ago

Affected products, version ranges, exploitation status and patch information in a single request, with a free key.

curl -H "x-api-key: $DAYBREACH_API_KEY" \
  "https://api.daybreach.dev/api/v1/intel/cves/CVE-2026-104084"