Vulnerability · Published Sep 23, 2026 · Assigned by Canon_EMEA

CVE-2026-92378uniFLOW Online Legacy UI Previous login session retained when entering Reduced Function Login

Medium 4.1

In plain English

A medium-severity security flaw in uniFLOW Online from NT-ware. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities).

Severity (CVSS 4.0)4.1Medium

Exploit odds (30 days)0.2%top 92.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A session management vulnerability exists in the Legacy UI Reduced Function Login feature of NT-ware uniFLOW Online. Under specific timing conditions during Service Offline Emergency Mode, a previously authenticated session may be retained after logout, which could allow a subsequent user to be authenticated as the previous user and gain unauthorised limited access to device functionality.

Affected products (as reported)

Vendor	Product	Versions
NT-ware	uniFLOW Online	0 – through 2026.2

Weakness: CWE-613 · Vector: CVSS:4.0/AV:P/AC:L/AT:P/PR:L/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

References

https://www.canon-europe.com/psirt/advisory-information/ vendor-advisory
https://ntware.atlassian.net/wiki/spaces/SA/pages/14160592897/Security+Advisory+Previous+login+session+retained+when+entering+Reduced+Function+Login vendor-advisory, mitigation