CVE-2026-66006

lakeFS Unauthenticated Operator Metadata Overwrite via setup_comm_prefs

Published Jul 24, 2026 CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Lakefs
Lakefs lakefs
CPEs cpe:2.3:a:lakefs:lakefs:*:*:*:*:*:*:*:*
Vendors & Products Lakefs
Lakefs lakefs
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Treeverse
Treeverse lakefs
Vendors & Products Treeverse
Treeverse lakefs
Type Values Removed Values Added
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.
Title lakeFS Unauthenticated Operator Metadata Overwrite via setup_comm_prefs
Weaknesses CWE-306
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}

cvssV4_0

{'score': 6.9, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Jul 28, 2026, 1:06 AM
Reserved
Jul 23, 2026, 7:22 PM
Status
Analyzed
Published
Jul 24, 2026, 3:19 PM
Modified
Oct 24, 2026, 1:10 PM