HIGH

CVE-2026-48026

lakeFS vulnerable to stored XSS in rendered markdown previews via raw HTML

CVSS v3

8.7

HIGH

EPSS Score

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

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 objects without sanitizing the resulting HTML. A user with write access to any repository branch can commit a `.md` object containing arbitrary HTML/JavaScript. Any other user who opens that object, or who navigates to a repository or directory containing a malicious

Technical details

CVSS v3 Vector
3.1
Published
8/7/2026
Last Modified
8/7/2026

Frequently asked questions

What is 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 objects without sanitizing the resulting HTML. A user with write access to any repository branch can commit a `.md` object containing arbitrary HTML/JavaScript. Any other user who opens that object, or who navigates to a repository or directory containing a malicious

Is CVE-2026-48026 actively exploited?

Active exploitation of CVE-2026-48026 has not been confirmed. The EPSS score is N/A%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-48026?

CVE-2026-48026 has a CVSS v3 base score of 8.7 (HIGH severity), with vector string 3.1.

Is CVE-2026-48026 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.