CVE-2026-4405
IBM Concert Software Use of Web Browser Cache Containing Sensitive Information
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
4.0
IBM Concert Software Use of Web Browser Cache Containing Sensitive Information
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.
- Record
CVE-2026-4405- CVSS 3.1
- 4.0 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-525
- Updated
- 2026-11-02
EUVDEUVD-2026-104530
4.0
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.
- Record
EUVD-2026-104530- CVSS 3.1
- 4.0 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-gvx3-67jp-9j46
4.0
IBM Concert 1.0 through 3.0.0 allows web page cache to be stored locally which can be read by...
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.
- Record
GHSA-gvx3-67jp-9j46- CVSS 3.1
- 4.0 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-525
- Updated
- 2026-11-02
NVD
4.0
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.
- Record
CVE-2026-4405- CVSS 3.1
- 4.0 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - CVSS 3.1
- 3.3 Low
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-525
- Updated
- 2026-11-03
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts, references | NVD | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-4405 is a medium vulnerability (CVSS 4.0) in Ibm Concert, published October 19, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.14%, the 3rd percentile. No source names a fixed version.