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TI-2026-47004 Aliases CVE-2026-66006GHSA-87fc-9c43-8q4g

lakeFS Unauthenticated Operator Metadata Overwrite via setup_comm_prefs

Priority HIGH 70CWE-306Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-306.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00555 46th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
treeverselakeFSup to 1.83.0—Patch availableCNA
  • lakeFS Vendortreeverse Affected up to 1.83.0 Fixed in — Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:lakefs:lakefs:*:*:*:*:*:*:*:*up to 1.83.0Vulnerabletreeverse
  • cpe:2.3:a:lakefs:lakefs:*:*:*:*:*:*:*:* Versions up to 1.83.0 Vulnerable ·treeverse

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-66006
  2. 2026-10-03 Alias added: GHSA-87fc-9c43-8q4g

References

Exploit 1

Patch 2

  • TI-2026-21178 lakeFS vulnerable to path traversal in local block adapter allow cross-namespace and sibling directory access CVSS 3.1HIGH 8.1
  • TI-2025-42164 lakeFS is Missing Timestamp Validation in S3 Gateway Authentication CVSS 3.1MEDIUM 6.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences