CVE-2026-4405
IBM Concert Software Use of Web Browser Cache Containing Sensitive Information
IBM Concert
CVSS
4.0MediumExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.16%Chance of exploitation activity in the next 30 days, higher than 4% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Description
IBM Concert 1.0 through 3.0.0 allows web page cache to be stored locally which can be read by another user on the system.
Text from CVE List
Affected versions 1
- Concertaffected: 1.0.0 through 3.0.0CVE List