CVE-2019-17195

Improper Check for Unusual or Exceptional Conditions in Connect2id Nimbus JOSE+JWT

9.8 CriticalPublic exploitFix available

Connect2id Nimbus JOSE+JWT before v7.9 can throw various uncaught exceptions while parsing a JWT, which could result in an application crash (potential information disclosure) or a potential authentication bypass.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

11.1%Up 4.9 points since Apr 14, 2021

What each source reports

NVD Score used 9.8

Record: CVE-2019-17195
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness: CWE-755
Updated: 2026-11-02

CVE List No score

Record: CVE-2019-17195
Updated: 2026-11-02

EUVDEUVD-2019-0699 No score

Record: EUVD-2019-0699
Updated: 2026-11-03

GitHub AdvisoriesGHSA-f6vf-pq8c-69m4 9.8

Improper Check for Unusual or Exceptional Conditions in Connect2id Nimbus JOSE+JWT

Record: GHSA-f6vf-pq8c-69m4
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-754, CWE-755
Updated: 2026-11-02

OSV 9.8

Record: CVE-2019-17195
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVGHSA-f6vf-pq8c-69m4 9.8

Improper Check for Unusual or Exceptional Conditions in Connect2id Nimbus JOSE+JWT

Record: GHSA-f6vf-pq8c-69m4
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-754, CWE-755
Updated: 2026-11-02

OSVOESA-2021-1269 9.8

hadoop security update

Apache Hadoop is a framework that allows for the distributed processing of large data sets across clusters of computers using simple programming models. It is designed to scale up from single servers to thousands of machines, each offering local computation and storage.

Security Fix(es):

Record: OESA-2021-1269
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVRHSA-2020:1308 7.3

Red Hat Security Advisory: Red Hat Virtualization Engine security, bug fix 4.3.9

Record: RHSA-2020:1308
CVSS 3.0: 7.3 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Updated: 2026-11-02

Affected products

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Affected packages

Affected packages
Package	Affected	Fixed
`com.nimbusds:nimbus-jose-jwt` Maven	before 7.9	7.9
`com.nimbusds:nimbus-jose-jwt` Maven	before 7.9, plus listed versions 2.102.10.12.11.02.12.02.13.0 Show 45 moreShow less 2.13.12.14.02.15.02.15.12.15.22.162.172.17.12.17.22.182.18.12.18.22.192.19.12.202.212.222.22.12.232.242.252.262.26.12.93.03.13.1.13.1.23.103.23.2.13.2.23.33.43.53.63.73.83.8.13.8.23.93.9.13.9.24.04.0-rc1	7.9
`hadoop` openEuler:20.03-LTS-SP1	before 3.2.1-10.oe1	3.2.1-10.oe1
`apache-commons-beanutils` Red Hat:enterprise_linux:7::hypervisor From an advisory covering 2 CVEs	before 0:1.8.3-15.el7_7	0:1.8.3-15.el7_7
`apache-commons-beanutils-javadoc` Red Hat:enterprise_linux:7::hypervisor From an advisory covering 2 CVEs	before 0:1.8.3-15.el7_7	0:1.8.3-15.el7_7
`ovirt-engine` Red Hat:rhev_manager:4.3 From an advisory covering 2 CVEs	before 0:4.3.9.3-0.1.el7	0:4.3.9.3-0.1.el7
`ovirt-engine-backend` Red Hat:rhev_manager:4.3 From an advisory covering 2 CVEs	before 0:4.3.9.3-0.1.el7	0:4.3.9.3-0.1.el7
`ovirt-engine-dbscripts` Red Hat:rhev_manager:4.3 From an advisory covering 2 CVEs	before 0:4.3.9.3-0.1.el7	0:4.3.9.3-0.1.el7
`ovirt-engine-extensions-api-impl` Red Hat:rhev_manager:4.3 From an advisory covering 2 CVEs	before 0:4.3.9.3-0.1.el7	0:4.3.9.3-0.1.el7
`ovirt-engine-extensions-api-impl-javadoc` Red Hat:rhev_manager:4.3 From an advisory covering 2 CVEs	before 0:4.3.9.3-0.1.el7	0:4.3.9.3-0.1.el7

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Affected packages
Package	Affected	Fixed
`ovirt-engine-health-check-bundler` Red Hat:rhev_manager:4.3 From an advisory covering 2 CVEs	before 0:4.3.9.3-0.1.el7	0:4.3.9.3-0.1.el7
`ovirt-engine-restapi` Red Hat:rhev_manager:4.3 From an advisory covering 2 CVEs	before 0:4.3.9.3-0.1.el7	0:4.3.9.3-0.1.el7
`ovirt-engine-setup` Red Hat:rhev_manager:4.3 From an advisory covering 2 CVEs	before 0:4.3.9.3-0.1.el7	0:4.3.9.3-0.1.el7
`ovirt-engine-setup-base` Red Hat:rhev_manager:4.3 From an advisory covering 2 CVEs	before 0:4.3.9.3-0.1.el7	0:4.3.9.3-0.1.el7
`ovirt-engine-setup-plugin-cinderlib` Red Hat:rhev_manager:4.3 From an advisory covering 2 CVEs	before 0:4.3.9.3-0.1.el7	0:4.3.9.3-0.1.el7
`ovirt-engine-setup-plugin-ovirt-engine` Red Hat:rhev_manager:4.3 From an advisory covering 2 CVEs	before 0:4.3.9.3-0.1.el7	0:4.3.9.3-0.1.el7
`ovirt-engine-setup-plugin-ovirt-engine-common` Red Hat:rhev_manager:4.3 From an advisory covering 2 CVEs	before 0:4.3.9.3-0.1.el7	0:4.3.9.3-0.1.el7
`ovirt-engine-setup-plugin-vmconsole-proxy-helper` Red Hat:rhev_manager:4.3 From an advisory covering 2 CVEs	before 0:4.3.9.3-0.1.el7	0:4.3.9.3-0.1.el7
`ovirt-engine-setup-plugin-websocket-proxy` Red Hat:rhev_manager:4.3 From an advisory covering 2 CVEs	before 0:4.3.9.3-0.1.el7	0:4.3.9.3-0.1.el7
`ovirt-engine-tools` Red Hat:rhev_manager:4.3 From an advisory covering 2 CVEs	before 0:4.3.9.3-0.1.el7	0:4.3.9.3-0.1.el7
`ovirt-engine-tools-backup` Red Hat:rhev_manager:4.3 From an advisory covering 2 CVEs	before 0:4.3.9.3-0.1.el7	0:4.3.9.3-0.1.el7
`ovirt-engine-vmconsole-proxy-helper` Red Hat:rhev_manager:4.3 From an advisory covering 2 CVEs	before 0:4.3.9.3-0.1.el7	0:4.3.9.3-0.1.el7
`ovirt-engine-webadmin-portal` Red Hat:rhev_manager:4.3 From an advisory covering 2 CVEs	before 0:4.3.9.3-0.1.el7	0:4.3.9.3-0.1.el7
`ovirt-engine-websocket-proxy` Red Hat:rhev_manager:4.3 From an advisory covering 2 CVEs	before 0:4.3.9.3-0.1.el7	0:4.3.9.3-0.1.el7
`python2-ovirt-engine-lib` Red Hat:rhev_manager:4.3 From an advisory covering 2 CVEs	before 0:4.3.9.3-0.1.el7	0:4.3.9.3-0.1.el7
`rhvm` Red Hat:rhev_manager:4.3 From an advisory covering 2 CVEs	before 0:4.3.9.3-0.1.el7	0:4.3.9.3-0.1.el7
`rhvm-dependencies` Red Hat:rhev_manager:4.3 From an advisory covering 2 CVEs	before 0:4.3.2-1.el7ev	0:4.3.2-1.el7ev
`ovirt-engine-extension-aaa-misc` Red Hat:rhev_manager:4.3 From an advisory covering 2 CVEs	before 0:1.0.4-1.el7ev	0:1.0.4-1.el7ev
`ovirt-fast-forward-upgrade` Red Hat:rhev_manager:4.3 From an advisory covering 2 CVEs	before 0:1.0.0-17.el7ev	0:1.0.0-17.el7ev

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
PoC in GitHub	somatrasss/weblogic2021	2021-02-04

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-17195 is a critical vulnerability (CVSS 9.8) in Apache Hadoop, published October 15, 2019. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 11.1%, the 95th percentile. Fixed in com.nimbusds:nimbus-jose-jwt 7.9.

References

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This page doesn't list everything

Left out here: 107 versions. The JSON record has them.