CVE-2026-102149
Accellion Kiteworks: missing authentication
- Risk score
- 64/100
- CVSS
- 9.4 v3.1
- Exploit chance (30 days)
- 0.2%
- Published
- 30 Sep 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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 enab…
- Affected
- Accellion Kiteworks
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Amber
- CVSS 9.4 critical
- Remotely exploitable without logging in
References
Original 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.
Last activity 30 Sep 2026. Patch Forecast updates every hour.