CVE-2026-1561 IBM WebSphere Application Server Liberty Server-Side Request Forgery
Remote attackers can exploit SSRF in IBM WebSphere Liberty to send unauthorized requests, enabling network enumeration and facilitating further attacks.
- 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-2026-1561?
CVE-2026-1561 is a medium-severity server-side request forgery vulnerability in Ibm Websphere Application Server, published on 25 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.3 IBM WebSphere Application Server Liberty is vulnerable to server-side request forgery (SSRF). This may allow remote attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks.
Weakness: CWE-918
Which versions are affected by CVE-2026-1561?
It affects 1 product.
Products include Ibm Websphere Application Server.
How do I fix CVE-2026-1561?
No fix has been published for CVE-2026-1561 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-1561 being exploited?
There is no known exploitation of CVE-2026-1561 in the wild and no public exploit code.
Other vulnerabilities in Ibm Websphere Application Server
Sources
Also known as GHSA-8gm5-jf6f-36wc.