CVE-2026-15955: IBM® Data Server driver for JDBC and SQLJ could allow a remote attacker to perform an arbitrary file write due to improper validation of file paths

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-14 · updated 2026-09-16
Weakness: CWE-22

Description

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.

Affected products

IBM Db2 for Linux, UNIX and Windows: from 11.5.0 through 11.5.9; from 12.1.0 through 12.1.5

References

https://www.ibm.com/support/pages/node/7286998

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