CVE-2026-66006

Medium

Description

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.

SeverityMedium

CVSS5.3

Exploit probability—

ProductLakefs

PublishedJul 24, 2026

First seenJul 24, 2026

Weakness typeCWE-306Missing authentication for critical function

How to fix

Patches

github.com/treeverse/lakeFS/pull/10499
github.com/treeverse/lakeFS/commit/71a45eeb1639d146d34b8effd7e86d077160ed7c

Affected products

Product	Affected versions	Fixed in
lakefs lakefs	v ≤ 1.83.0	—

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