CVE-2026-59827

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.8 under NVD CVSS v3. EPSS exploit probability: 3.2%, top 12% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Elevated
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 3%CVSS: 8.8Exploit: Elevated riskExposed: 0

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

Metabase is an open-source business intelligence and embedded analytics tool. Prior to 1.58.15, 1.59.12, 1.60.6.3, and 1.61.1.4, Metabase instances with an H2 database connection, including the default sample database, deserialize arbitrary Java objects returned in H2 native query result columns of type OTHER without validation, allowing an authenticated user who can run native H2 queries to execute code on the Metabase server. This issue is fixed in versions 1.58.15, 1.59.12, 1.60.6.3, and 1.61.1.4.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
56(Track)
EG Risk 56/100SSVC: Track

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
Severity88% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
3%
EPSS %ILE
88%
KEV
Not listed

Published

July 9, 2026

Last Modified

July 13, 2026

Advisory Details (4)

Auto-updated Jul 10, 2026
Patch available. Sources: github_commit, github_release, github.
github Patch Available

Unsafe Deserialization of H2 Query Results · Advisory · metabase/metabase · GitHub

https://github.com/metabase/metabase/security/advisories/GHSA-w95f-x9v9-wv36
github_release Patch Available

Metabase 59.12

Patch available: metabase/metabase v0.59.12

https://github.com/metabase/metabase/releases/tag/v0.59.12
github_release Patch Available

Metabase 58.15

Patch available: metabase/metabase v0.58.15

https://github.com/metabase/metabase/releases/tag/v0.58.15
github_commit Patch Available

commit 00f42511fe3b (metabase/metabase)

Patch available: metabase/metabase v0.62.0-beta (contains commit 00f42511fe3b)

https://github.com/metabase/metabase/commit/00f42511fe3bc4385652a2e96862ee6fd7d42cf8

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 6× in last 7d / 32× 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.

Showing the most recent 100 of 117 total refreshes for this CVE.

  1. 2026-09-18 19:28 UTCEPSS rescore
  2. 2026-09-18 05:35 UTCEG score recompute
  3. 2026-09-17 19:31 UTCEPSS rescore
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  1. 2026-08-26 14:46 UTCEPSS rescore
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  51. 2026-07-30 16:28 UTCEPSS rescore
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  74. 2026-07-20 17:08 UTCEPSS rescore
  75. 2026-07-19 14:31 UTCEPSS rescore

Publicly available exploits

(2 references)

Working exploit code is in the public domain (1 GitHub PoC) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-52680
    First seen Sep 3, 2026

    Metabase 0.61.0 - Authenticated Remote Code Execution

    Open source ↗
  • GitHub PoCGutierre0x80/CVE-2026-59827
    First seen Aug 12, 2026

    Technical analysis and proof of concept for CVE-2026-59827, a critical unsafe Java deserialization vulnerability in Metabase leading to remote code execution.

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-59827?
CVE-2026-59827 is a high vulnerability published on July 9, 2026. Metabase is an open-source business intelligence and embedded analytics tool. Prior to 1.58.15, 1.59.12, 1.60.6.3, and 1.61.1.4, Metabase instances with an H2 database connection, including the default sample database, deserialize arbitrary Java objects returned in H2 native query result columns of…
When was CVE-2026-59827 disclosed?
CVE-2026-59827 was first published in the National Vulnerability Database on July 9, 2026, with the most recent update on July 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-59827 actively exploited?
CVE-2026-59827 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3% probability of exploitation in the next 30 days, which ranks it in the top 12.2% of all scored CVEs.
What is the CVSS score of CVE-2026-59827?
CVE-2026-59827 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-59827?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-59827, 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

Explore the affected products and dependency analysis for CVE-2026-59827

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