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Public proof of conceptFix available

CVE-2019-14540

A public proof of concept exists; no exploitation attested.

  • Published2019-09-15
  • WeaknessCWE-502

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A Polymorphic Typing issue was discovered in FasterXML jackson-databind before 2.9.10. It is related to com.zaxxer.hikari.HikariConfig.

Timeline

dates in UTC
  1. 2019-09-1522:15CVE publishedNVD
  2. 2026-10-2319:23First public proof of conceptPoC-in-GitHub
  3. 2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-14540?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-14540?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Oracle primavera gateway
BranchAffectedFixed in
15.2= 15.2no fix published
15.2= 15.2.18no fix published
16.2= 16.2no fix published
16.2= 16.2.11no fix published
17.12= 17.12no fix published
17.12= 17.12.6no fix published
18.8= 18.8.0no fix published
18.8= 18.8.8.1no fix published
Oracle banking platform
BranchAffectedFixed in
2.4= 2.4.0no fix published
2.4= 2.4.1no fix published
2.5= 2.5.0no fix published
2.6= 2.6.0no fix published
2.6= 2.6.1no fix published
2.7= 2.7.0no fix published
2.7= 2.7.1no fix published
Oracle primavera unifier
BranchAffectedFixed in
17.x≥ 17.7, ≤ 17.12no fix published
16.1= 16.1no fix published
16.2= 16.2no fix published
18.8= 18.8no fix published
19.12= 19.12no fix published

16 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

Detection

read 2026-10-23 19:23 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
1 repository, unverifiedLeadroyaL/cve-2019-14540-exploit
PoC-in-GitHub

Sources

  • CISA-ADPSSVC decisionnone2026-10-08
  • OpenCVESSVC decisionnone—
  • NVDCVSS 3.19.8read 2026-10-23
  • NVDCVSS 2.07.5read 2026-10-23
  • NVDweakness (CWE)CWE-502read 2026-10-23
  • FIRST EPSSEPSS score10.8 %read 2026-10-23
  • PoC-in-GitHubproof of concept1read 2026-10-23
  • OSVaffected packages—

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2019-09-15
Last Modified
2026-10-08
NVD status
Modified

Frequently asked questions

What is CVE-2019-14540?

A Polymorphic Typing issue was discovered in FasterXML jackson-databind before 2.9.10. It is related to com.zaxxer.hikari.HikariConfig.

Is CVE-2019-14540 actively exploited?

Active exploitation of CVE-2019-14540 has not been confirmed. Its EPSS score was 10.8% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-14540?

CVE-2019-14540 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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