CVE-2026-15955 Path traversal in Db2
Remote attackers can write arbitrary files to the system via improper path validation in the IBM Db2 JDBC driver.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-15955?
CVE-2026-15955 is a high-severity path traversal vulnerability in IBM Db2, published on 14 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-22
Which versions are affected by CVE-2026-15955?
How do I fix CVE-2026-15955?
No fix has been published for CVE-2026-15955 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-15955 being exploited?
There is no known exploitation of CVE-2026-15955 in the wild and no public exploit code.
Sources
Also known as GHSA-f5h9-pfrj-8wrc.