CVE-2025-27901 Multiple vulnerabilities in IBM Java SDK affecting Db2 Recovery Expert for Linux, Unix and Windows

Medium 6.5 Published 17 Feb 2026 Updated 17 Feb 2026

Attackers can exploit HTTP header injection in IBM DB2 Recovery Expert to perform cross-site scripting, cache poisoning, or session hijacking.

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-2025-27901?

CVE-2025-27901 is a medium-severity cross-site scripting vulnerability in IBM DB2 Recovery Expert for LUW, published on 17 Feb 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 LUW 5.5 Interim Fix 002 IBM Db2 Recovery Expert for Linux, UNIX and Windows is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking.

Weakness: CWE-644

Which versions are affected by CVE-2025-27901?

It affects 1 product.

Products include Ibm Db2 Recovery Expert.

How do I fix CVE-2025-27901?

No fix has been published for CVE-2025-27901 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2025-27901 being exploited?

There is no known exploitation of CVE-2025-27901 in the wild and no public exploit code.

Sources

Also known as GHSA-wrqj-g5w9-qq86.