A Polymorphic Typing issue was discovered in FasterXML jackson-databind 2.x before 2.9.9. When Default Typing is enabled (either globally or for a specific property) for an externally exposed JSON endpoint, the service has the mysql-connector-java jar (8.0.14 or earlier) in the classpath, and an attacker can host a crafted MySQL server reachable by the victim, an attacker can send a crafted JSON message that allows them to read arbitrary local files on the server. This occurs because of missing com.mysql.cj.jdbc.admin.MiniAdmin validation.
CVE-2019-12086
This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 21.9%, top 3% 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).
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.5
- EG Score
- 7.5(medium)
- EG Risk
- 54(Track)EG Risk 54/100SSVC: 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 computedSeverity75% × 45%Exploitation40% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS
- 97.4%
- KEV
- Not listed
Published
May 17, 2019
Last Modified
November 21, 2024
References (82)
- cve@mitrehttp://russiansecurity.expert/2016/04/20/mysql-connect-file-read/
- cve@mitrehttp://www.securityfocus.com/bid/109227
- cve@mitrehttps://access.redhat.com/errata/RHSA-2019:2858
- cve@mitrehttps://access.redhat.com/errata/RHSA-2019:2935
- cve@mitrehttps://access.redhat.com/errata/RHSA-2019:2936
- cve@mitrehttps://access.redhat.com/errata/RHSA-2019:2937
- cve@mitrehttps://access.redhat.com/errata/RHSA-2019:2938
- cve@mitrehttps://access.redhat.com/errata/RHSA-2019:2998
- cve@mitrehttps://access.redhat.com/errata/RHSA-2019:3044
- cve@mitrehttps://access.redhat.com/errata/RHSA-2019:3045
- cve@mitrehttps://access.redhat.com/errata/RHSA-2019:3046
- cve@mitrehttps://access.redhat.com/errata/RHSA-2019:3050
- cve@mitrehttps://access.redhat.com/errata/RHSA-2019:3149
- cve@mitrehttps://access.redhat.com/errata/RHSA-2019:3200
- cve@mitrehttps://github.com/FasterXML/jackson-databind/issues/2326
Vendor Advisories for CVE-2019-12086(2)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Patch Availability(15)
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(1 across 1 ecosystem)
Maven(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| com.fasterxml.jackson.core:jackson-databind | 2.0.0 ... 2.6.7.2 (61 versions) | 2.6.7.3 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(15)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
- Red HatRHBA-2019:3416MODERATE2019-05-14
RHBA-2019:3416 — Moderate
- Red HatRHBA-2020:1494MODERATE2019-05-14
RHBA-2020:1494 — Moderate
- Red HatRHSA-2019:2858MODERATE2019-05-14
RHSA-2019:2858 — Moderate
- Red HatRHSA-2019:2935MODERATE2019-05-14
RHSA-2019:2935 — Moderate
- Red HatRHSA-2019:2936MODERATE2019-05-14
RHSA-2019:2936 — Moderate
- Red HatRHSA-2019:2937MODERATE2019-05-14
RHSA-2019:2937 — Moderate
- Red HatRHSA-2019:2938MODERATE2019-05-14
RHSA-2019:2938 — Moderate
- Red HatRHSA-2019:2998MODERATE2019-05-14
RHSA-2019:2998 — Moderate
- Red HatRHSA-2019:3044MODERATE2019-05-14
RHSA-2019:3044 — Moderate
- Red HatRHSA-2019:3045MODERATE2019-05-14
RHSA-2019:3045 — Moderate
- Red HatRHSA-2019:3046MODERATE2019-05-14
RHSA-2019:3046 — Moderate
- Red HatRHSA-2019:3050MODERATE2019-05-14
RHSA-2019:3050 — Moderate
- Red HatRHSA-2019:3149MODERATE2019-05-14
RHSA-2019:3149 — Moderate
- Red HatRHSA-2019:3200MODERATE2019-05-14
RHSA-2019:3200 — Moderate
- UbuntuUSN-4813-1MEDIUM
Jackson Databind vulnerabilities
Data Freshness Timeline
(refreshed 14× in last 7d / 45× 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.
- 2026-07-23 01:39 UTCEG score recompute
- 2026-07-22 22:19 UTCEG score recompute
- 2026-07-22 14:05 UTCEPSS rescore
- 2026-07-21 15:22 UTCEPSS rescore
- 2026-07-21 15:22 UTCEPSS rescore
- 2026-07-20 17:04 UTCEPSS rescore
- 2026-07-20 16:04 UTCOSV refresh
- 2026-07-19 14:28 UTCEPSS rescore
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- 2026-07-19 02:26 UTCEPSS rescore
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- 2026-07-16 16:59 UTCEPSS rescore
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- 2026-07-07 13:42 UTCEPSS rescore
- 2026-07-06 16:25 UTCEPSS rescore
- 2026-07-05 02:27 UTCEPSS rescore
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- 2026-07-04 06:28 UTCEPSS rescore
- 2026-07-04 06:28 UTCEPSS rescore
- 2026-07-03 11:26 UTCOSV refresh
- 2026-07-02 16:56 UTCEPSS rescore
- 2026-07-01 15:03 UTCEPSS rescore
- 2026-07-01 15:03 UTCEPSS rescore
- 2026-06-30 23:20 UTCEPSS rescore
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- 2026-06-29 14:03 UTCEPSS rescore
- 2026-06-28 14:04 UTCEPSS rescore
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- 2026-06-27 03:06 UTCEPSS rescore
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- 2026-06-25 13:47 UTCEPSS rescore
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- 2026-06-23 21:30 UTCEPSS rescore
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- 2026-06-21 01:57 UTCEPSS rescore
- 2026-06-21 01:57 UTCEPSS rescore
- 2026-06-18 17:50 UTCEPSS rescore
- 2026-06-17 17:50 UTCEPSS rescore
- 2026-06-16 17:50 UTCEPSS rescore
- 2026-06-15 17:45 UTCEPSS rescore
- 2026-06-15 01:43 UTCOSV refresh
- 2026-06-14 23:15 UTCEPSS rescore
- 2026-06-14 23:15 UTCEPSS rescore
- 2026-06-13 22:58 UTCEPSS rescore
- 2026-06-12 23:09 UTCEPSS rescore
- 2026-06-11 13:58 UTCEPSS rescore
- 2026-06-11 13:58 UTCEPSS rescore
- 2026-06-10 22:16 UTCEPSS rescore
- 2026-06-10 13:19 UTCEPSS rescore
- 2026-06-07 15:23 UTCEPSS rescore
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- 2026-06-06 13:45 UTCEPSS rescore
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- 2026-06-04 13:10 UTCEPSS rescore
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- 2026-06-02 20:11 UTCEPSS rescore
- 2026-06-01 13:50 UTCEPSS rescore
- 2026-06-01 13:50 UTCEPSS rescore
- 2026-05-31 22:29 UTCEPSS rescore
- 2026-05-31 22:29 UTCEPSS rescore
- 2026-05-31 00:14 UTCEPSS rescore
- 2026-05-31 00:14 UTCEPSS rescore
- 2026-05-29 13:42 UTCEPSS rescore
- 2026-05-28 13:43 UTCEPSS rescore
- 2026-05-27 19:26 UTCEG score recompute
- 2026-05-27 19:26 UTCVendor advisory
- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-26 13:42 UTCEPSS rescore
- 2026-05-26 13:42 UTCEPSS rescore
- 2026-05-23 03:57 UTCOSV refresh
Frequently asked(5)
What is CVE-2019-12086?
When was CVE-2019-12086 disclosed?
Is CVE-2019-12086 actively exploited?
What is the CVSS score of CVE-2019-12086?
How do I remediate CVE-2019-12086?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2019-12086
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