Vulnerability details
CVE-2026-102149
Kiteworks Email Protection Gateway
Kiteworks Email Protection Gateway Improper Access Control
CVSS 3.1
9.4Critical
Official description
Kiteworks Email Protection Gateway did not sufficiently restrict which account a certificate could be assigned to. This could allow an attacker to associate a certificate with another user's account, affecting the confidentiality and integrity of that account's encrypted mail and, where certificate-based login is enabled, potentially permitting unauthorized access to the account.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.4Critical | 3.1 | CVEProject cvelistV5 (CNA) (cisa-cg) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Kiteworks | Email Protection Gateway | v < 9.5.1 | CVEProject cvelistV5 (CNA) |
References and advisories
2
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Details
- Published
- 2026-09-30
- Last updated
- 2026-10-01
- State
- Published
- Assigner (CNA)
- cisa-cg
Exploit prediction (EPSS)
0.23%
Probability of exploitation in 30 days
15%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-306Missing Authentication for Critical Function