CVE-2026-12730 json
Improper Validation of Certificate with Host Mismatch in IBM Business Automation Workflow containers
published 2026-08-05 3 mo ago modified 2026-10-23 16 d ago also EUVD-2026-53437
- cvss
- 3.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 5%
- public exploits
- 0
- none known
Summary
IBM Business Automation Workflow containers and traditional 26.0.0, 25.0.0 through 25.0.0 Interim Fix 005, 24.0.1 through 24.0.1 Interim Fix 007, and 24.0.0 through 24.0.0 Interim Fix 009 IBM Business Automation Workflow fails to properly verify that the hostname matches the server certificate potentially allowing connections to an attacker-controlled server.
Patch / fix
- ibm.com/support/pages/node/7282596 advisory
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 3 mo ago
Exploit prediction
0.17% chance of exploitation in the next 30 days, higher than 5% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 3.8 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N |
Affected products
- IBM Business Automation Workflow containers and traditional
Classification
- Weakness
-
- CWE-297 Improper Validation of Certificate with Host Mismatch
References
-
ibm.com
/support/pages/node/7282596
vendor-advisory, patch
Sources
- CVE List CVE-2026-12730
- NVD CVE-2026-12730
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