CVE-2026-66006

lakeFS Unauthenticated Operator Metadata Overwrite via setup_comm_prefs

MEDIUM
5.3
CVSS Score
Published: July 24, 2026 at 02:57 PM UTC
Updated: October 24, 2026 at 01:10 PM UTC
2 products affected across 2 vendorsLakefslakeFS

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.6%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 1.83.0
0 ≤ v ≤ 1.83.0
Vendor states this is fixed in 71a45eeb1639d146d34b8effd7e86d077160ed7c (unaffected)

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-306

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