CVE-2026-102149: Kiteworks Email Protection Gateway Improper Access Control
Kiteworks · Email Protection Gateway
Vendor fix available · Affected: Kiteworks Email Protection Gateway · Exploitation: not established
ExploitationNot established
Not in CISA KEV as of catalogue 2026.11.13 (13 Nov)
- In CISA KEV: not seen
- Exploited (reported): not seen
- Scanning observed: not seen
- Proof of concept public: not seen
- Not establishedNothing in the sources we check
Higher than 15% of scored CVEs
DescriptionNVD
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.
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- Kiteworks
- Published
- September 2026
Coverage1 article · 1 outlet
First in our coverage: SecurityOnline, 1 Oct.
- Kiteworks Fixes 78 Flaws Including Critical Admin Account TakeoverSecurityOnline · first in our coverage · mentions it in passing
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