What is CVE-2026-12737?

CVE-2026-12737 is a medium-severity vulnerability in IBM Sterling B2b Integrator, classified under Insertion of Sensitive Information into Log File. CVSS score: 4.4/10. Published 2026-11-08.

How severe is CVE-2026-12737?

Medium severity. CVSS v3 base score is 4.4 out of 10.

Information disclosure in IBM Sterling B2b Integrator

CVE-2026-12737

IBM Sterling B2B Integrator 6.2.2.0 through 6.2.2.1_1 and IBM Sterling File Gateway 6.2.2.0 through 6.2.2.1_1 stores potentially sensitive information in log files that could be read by a local privileged user.

Published 2026-11-08 · last modified 2026-11-08.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

CWE-532 — Insertion of Sensitive Information into Log File

References

www.ibm.com/support/pages/node/7293719 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-12737?: CVE-2026-12737 is a medium-severity vulnerability in IBM Sterling B2b Integrator, classified under Insertion of Sensitive Information into Log File. CVSS score: 4.4/10. Published 2026-11-08.
How severe is CVE-2026-12737?: Medium severity. CVSS v3 base score is 4.4 out of 10.