Medium (4.3). EPSS 0.3% chance of exploitation in the next 30 days.
The Proxy and Client components of TIBCO Software Inc.'s TIBCO ActiveSpaces - Enterprise Edition contain a vulnerability that theoretically allows an Active Spaces client to passively observe data traffic to other clients. Affected releases are TIBCO Software Inc.'s TIBCO ActiveSpaces - Enterprise Edition: versions 4.4.0 through 4.9.0.
Severity
CVSS 3.1
4.3 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS
0.3% chance of exploitation in the next 30 days; higher than 24% of CVEs (scores of 2026-10-31)