CVE-2026-66006

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreHIGH confidence

Score 5.3 from GitHub Security Advisory published 2026-07-24. a secondary CVSS source baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this weekElevated
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.3Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
5.3
EG Score
5.3(high)
EG Risk
55(Attend)
EG Risk 55/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity53% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
23%
KEV
Not listed

Published

July 24, 2026

Last Modified

July 28, 2026

Advisory Details (4)

Auto-updated Jul 25, 2026
Upstream fix merged — awaiting tagged release. Sources: github_pr, github_commit.
generic

lakeFS Unauthenticated Operator Metadata Overwrite via setup_comm_prefs | Advisories | VulnCheck

https://www.vulncheck.com/advisories/lakefs-unauthenticated-operator-metadata-overwrite-via-setup-comm-prefs
github_commit

commit 71a45eeb1639 (treeverse/lakeFS)

Fix landed in treeverse/lakeFS commit 71a45eeb1639 — awaiting tagged release

https://github.com/treeverse/lakeFS/commit/71a45eeb1639d146d34b8effd7e86d077160ed7c
github_pr

Reject unauthenticated overwrites of setup comm prefs

Fix merged in treeverse/lakeFS PR #10499 on 2026-07-23 — awaiting tagged release

https://github.com/treeverse/lakeFS/pull/10499
generic

[Security] /setup_comm_prefs accepts unauthenticated POSTs after setup - treeverse/lakeFS · Issue #10465 · treeverse/lakeFS · GitHub

https://github.com/treeverse/lakeFS/issues/10465

Vendor Advisories for CVE-2026-66006(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 19× in last 7d / 19× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-30 01:30 UTCEPSS rescore
  2. 2026-07-29 14:54 UTCGHSA enrichment
  3. 2026-07-28 16:31 UTCEG score recompute
  4. 2026-07-28 16:31 UTCGHSA enrichment
  5. 2026-07-28 15:37 UTCEPSS rescore
  6. 2026-07-28 01:30 UTCGHSA enrichment
  7. 2026-07-27 23:48 UTCEG score recompute
  8. 2026-07-27 23:48 UTCGHSA enrichment
  9. 2026-07-27 14:14 UTCEPSS rescore
  10. 2026-07-27 01:24 UTCEG score recompute
  11. 2026-07-27 01:23 UTCGHSA enrichment
  12. 2026-07-26 14:54 UTCEPSS rescore
  13. 2026-07-26 14:54 UTCEPSS rescore
  14. 2026-07-26 03:00 UTCEG score recompute
  15. 2026-07-26 03:00 UTCGHSA enrichment
  16. 2026-07-25 14:18 UTCEPSS rescore
  17. 2026-07-25 14:18 UTCEPSS rescore
  18. 2026-07-24 15:13 UTCEG score recompute
  19. 2026-07-24 15:13 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-66006?
CVE-2026-66006 is a medium vulnerability published on July 24, 2026. lakeFS through 1.83.0, fixed in commit 71a45ee, contains an authentication bypass vulnerability in the /setupcommprefs endpoint that allows unauthenticated attackers to overwrite operator metadata including email, name, and company after setup completion. Attackers can POST to this endpoint to…
When was CVE-2026-66006 disclosed?
CVE-2026-66006 was first published in the National Vulnerability Database on July 24, 2026, with the most recent update on July 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-66006 actively exploited?
CVE-2026-66006 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 76.6% of all scored CVEs.
What is the CVSS score of CVE-2026-66006?
CVE-2026-66006 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-66006?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-66006, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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