CVE-2026-40137 Cross-Site Scripting (XSS) vulnerability in Business Server Pages Application (TAF_APPLAUNCHER)
Unauthenticated attackers can craft malicious links to execute scripts in victims' browsers, potentially exposing or altering sensitive information.
- 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-2026-40137?
CVE-2026-40137 is a medium-severity cross-site scripting vulnerability in SAP_SE Business Server Pages Application (TAF_APPLAUNCHER), published on 12 May 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
SAP TAF_APPLAUNCHER within Business Server Pages allows an unauthenticated attacker to craft malicious links that, when clicked by a victim, redirects them to attacker?controlled sites, potentially exposing or altering sensitive information in the victim�s browser. This results in a low impact on confidentiality and integrity, with no impact on the availability of the application.
Weakness: CWE-79
Which versions are affected by CVE-2026-40137?
How do I fix CVE-2026-40137?
No fix has been published for CVE-2026-40137 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-2026-40137 being exploited?
There is no known exploitation of CVE-2026-40137 in the wild and no public exploit code.
Sources
Also known as GHSA-qx93-pqj3-crqc.