What is CVE-2026-42045?

CVE-2026-42045 is a medium-severity vulnerability in Lobehub, classified under Cross-site Scripting. CVSS score: 6.2/10. Published 2026-05-12.

How severe is CVE-2026-42045?

Medium severity. CVSS v3 base score is 6.2 out of 10.

XSS in Lobehub

CVE-2026-42045

LobeHub is a work-and-lifestyle space to find, build, and collaborate with agent teammates that grow with you. Prior to 2.1.48, when LobeChat processes custom tags in the Render process of src/features/Portal/Artifacts/Body/Renderer/index…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (13.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:L/A:N.

Affected products

Lobehub — versions < 2.1.48

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-42045?: CVE-2026-42045 is a medium-severity vulnerability in Lobehub, classified under Cross-site Scripting. CVSS score: 6.2/10. Published 2026-05-12.
How severe is CVE-2026-42045?: Medium severity. CVSS v3 base score is 6.2 out of 10.