What is CVE-2026-48026?

CVE-2026-48026 is a high-severity vulnerability in Treeverse Lakefs, classified under Cross-site Scripting. CVSS score: 8.7/10. Published 2026-08-07.

How severe is CVE-2026-48026?

High severity. CVSS v3 base score is 8.7 out of 10.

XSS in Treeverse Lakefs

CVE-2026-48026

lakeFS is an open-source tool that transforms object storage into a Git-like repositories. Prior to version 1.81.1 of the open source edition and 1.84.0 of the enterprise edition, lakeFS Web UI renders markdown files from repository object…

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N.

Affected products

Treeverse Lakefs — versions < 1.81.1
Treeverse Lakefs-enterprise — versions < 1.84.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-48026?: CVE-2026-48026 is a high-severity vulnerability in Treeverse Lakefs, classified under Cross-site Scripting. CVSS score: 8.7/10. Published 2026-08-07.
How severe is CVE-2026-48026?: High severity. CVSS v3 base score is 8.7 out of 10.