What is CVE-2026-40137?

CVE-2026-40137 is a medium-severity vulnerability in Sap_se Business Server Pages Application (Taf_applauncher), classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-05-12.

How severe is CVE-2026-40137?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Sap_se Business Server Pages Application (Taf_applauncher)

CVE-2026-40137

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 informatio…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (7.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Sap_se Business Server Pages Application (Taf_applauncher) — versions ST-PI 740, 758

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2026-40137?: CVE-2026-40137 is a medium-severity vulnerability in Sap_se Business Server Pages Application (Taf_applauncher), classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-05-12.
How severe is CVE-2026-40137?: Medium severity. CVSS v3 base score is 6.1 out of 10.