CVE-2026-86087 IBM® Db2® could allow an authenticated user to send a specially crafted request to write arbitrary files on the system
An authenticated attacker can exploit a path traversal vulnerability in IBM Db2 to write arbitrary files to the system.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-86087?
CVE-2026-86087 is a medium-severity path traversal vulnerability in Ibm Db2, published on 10 Sep 2026. Any signed-in user can exploit it over the network, 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 an authenticated user to send a specially crafted request to write arbitrary files on the system.
Weakness: CWE-22
Which versions are affected by CVE-2026-86087?
It affects 1 product.
Products include Ibm Db2.
How do I fix CVE-2026-86087?
No fix has been published for CVE-2026-86087 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-2026-86087 being exploited?
There is no known exploitation of CVE-2026-86087 in the wild and no public exploit code.
Other vulnerabilities in Ibm Db2
Sources
Also known as GHSA-mqg3-3vc2-mr4g.