CVE-2026-3856 IBM Db2 Recovery Expert Missing Integrity Check

Medium 5.3 Published 17 Mar 2026 Updated 18 Mar 2026

An attacker can modify or corrupt data in IBM Db2 Recovery Expert due to insecure integrity verification during transmission.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2026-3856?

CVE-2026-3856 is a medium-severity vulnerability in IBM Db2 Recovery Expert, published on 17 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

IBM Db2 Recovery Expert for Linux, UNIX and Windows 5.5 IF 2 could allow an attacker to modify or corrupt data due to an insecure mechanism used for verifying the integrity of the data during transmission.

Weakness: CWE-353

Which versions are affected by CVE-2026-3856?

It affects 1 product.

Products include Ibm Db2 Recovery Expert.

How do I fix CVE-2026-3856?

Apply the vendor's patch.

Is CVE-2026-3856 being exploited?

There is no known exploitation of CVE-2026-3856 in the wild and no public exploit code.

Sources

Also known as GHSA-c57j-h24c-r8gw, ROOT-OS-UBUNTU-2204-CVE-2026-3856.