What is CVE-2026-15955?

CVE-2026-15955 is a high-severity vulnerability in IBM Db2, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-09-14.

How severe is CVE-2026-15955?

High severity. CVSS v3 base score is 7.5 out of 10.

Path Traversal in IBM Db2

CVE-2026-15955

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 could allow a remote attacker to perform an arbitrary file write due to improper validation of file paths.

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Ibm Db2

Weakness classification (CWE)

CWE-22 — Path Traversal

References

psirt@us.ibm.com (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-15955?: CVE-2026-15955 is a high-severity vulnerability in IBM Db2, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-09-14.
How severe is CVE-2026-15955?: High severity. CVSS v3 base score is 7.5 out of 10.