What is CVE-2026-18104?

CVE-2026-18104 is a low-severity vulnerability in IBM Db2 Mirror For I, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 3.3/10. Published 2026-09-24.

How severe is CVE-2026-18104?

Low severity. CVSS v3 base score is 3.3 out of 10.

Vulnerability in IBM Db2 Mirror For I

CVE-2026-18104

IBM Db2 Mirror for i 7.6, 7.5, and 7.4 could allow a local attacker to obtain sensitive information due to the use of the AES Electronic Codebook (ECB) mode for encryption.

Vulnerability class: POODLE (CVE-2014-3566)

Published 2026-09-24 · last modified 2026-09-29.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.000 (0.0th percentile), scored 2026-10-26.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 0th percentile — 0.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.000 · change: -0.000

Affected products

IBM Db2 Mirror For I — versions 7.4, 7.5, 7.6
IBM Db2 Mirror For I

Weakness classification (CWE)

CWE-327 — Use of a Broken or Risky Cryptographic Algorithm

References

www.ibm.com/support/pages/node/7289246 (vendor-advisory, Patch, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-18104?: CVE-2026-18104 is a low-severity vulnerability in IBM Db2 Mirror For I, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 3.3/10. Published 2026-09-24.
How severe is CVE-2026-18104?: Low severity. CVSS v3 base score is 3.3 out of 10.