CVE-2026-1031 Cross-site scripting in Common Licensing
An unauthenticated attacker can inject JavaScript into the IBM License Key Server web interface to steal credentials from trusted sessions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-1031?
CVE-2026-1031 is a medium-severity cross-site scripting vulnerability in IBM Common Licensing, published on 18 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
IBM Common Licensing Agent 9.0, Agent 9.0.0.1, Agent 9.0.0.2, ART 9.0, ART 9.0.0.1, and ART 9.0.0.2 is vulnerable to cross-site scripting. This vulnerability allows an unauthenticated attacker to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.
Weakness: CWE-79
Which versions are affected by CVE-2026-1031?
How do I fix CVE-2026-1031?
No fix has been published for CVE-2026-1031 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-2026-1031 being exploited?
There is no known exploitation of CVE-2026-1031 in the wild and no public exploit code.
Sources
Also known as GHSA-m729-455r-m59h.