CVE-2026-66006 MEDIUM

CVE-2026-66006: lakeFS Unauthenticated Operator Metadata Overwrite via setup_comm_prefs

Vendor Treeverse
Product lakeFS
Weakness CWE-306 · Missing auth
Published July 24, 2026
Last update July 24, 2026

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

lakeFS through 1.83.0, fixed in commit 71a45ee, contains an authentication bypass vulnerability in the /setup_comm_prefs endpoint that allows unauthenticated attackers to overwrite operator metadata including email, name, and company after setup completion. Attackers can POST to this endpoint to modify security update preferences, disable security communications, and trigger falsified telemetry events using the legitimate installation ID.

Key dates

02Disclosure timeline

July 24, 2026 CVE published
July 24, 2026 Record updated

Related vulnerabilities

04Related CVE