CVE-2026-4405 json
IBM Concert Software Use of Web Browser Cache Containing Sensitive Information
published 2026-10-19 20 d ago modified 2026-11-03 5 d ago also EUVD-2026-104530
- cvss
- 4.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 3%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- ibm.com/support/pages/node/7292374 advisory
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 20 d ago
Exploit prediction
0.14% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.0 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVD | 3.1 | 3.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
Affected products
- IBM Concert
Classification
- Weakness
-
- CWE-525 Use of Web Browser Cache Containing Sensitive Information
References
-
ibm.com
/support/pages/node/7292374
vendor-advisory, patch
Sources
- CVE List CVE-2026-4405
- NVD CVE-2026-4405
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.