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Vulnerability details: VCID-r8e5-wta1-gqc8
Vulnerability ID VCID-r8e5-wta1-gqc8
Aliases CVE-2019-10157
GHSA-68hw-vfh7-xvg8
Summary Improper Authentication It was found that Keycloak's Node.js adapter did not properly verify the web token received from the server in its backchannel logout . An attacker with local access could use this to construct a malicious web token setting an NBF parameter that could prevent user access indefinitely.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-287 Improper Authentication
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-345 Insufficient Verification of Data Authenticity
System Score Found at
cvssv3 4.7 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-10157.json
epss 0.00019 https://api.first.org/data/v1/epss?cve=CVE-2019-10157
epss 0.00019 https://api.first.org/data/v1/epss?cve=CVE-2019-10157
epss 0.00019 https://api.first.org/data/v1/epss?cve=CVE-2019-10157
epss 0.00019 https://api.first.org/data/v1/epss?cve=CVE-2019-10157
epss 0.00019 https://api.first.org/data/v1/epss?cve=CVE-2019-10157
epss 0.00019 https://api.first.org/data/v1/epss?cve=CVE-2019-10157
epss 0.00019 https://api.first.org/data/v1/epss?cve=CVE-2019-10157
epss 0.00019 https://api.first.org/data/v1/epss?cve=CVE-2019-10157
epss 0.00019 https://api.first.org/data/v1/epss?cve=CVE-2019-10157
epss 0.00019 https://api.first.org/data/v1/epss?cve=CVE-2019-10157
epss 0.00019 https://api.first.org/data/v1/epss?cve=CVE-2019-10157
epss 0.00019 https://api.first.org/data/v1/epss?cve=CVE-2019-10157
epss 0.00019 https://api.first.org/data/v1/epss?cve=CVE-2019-10157
epss 0.00019 https://api.first.org/data/v1/epss?cve=CVE-2019-10157
epss 0.00019 https://api.first.org/data/v1/epss?cve=CVE-2019-10157
cvssv3.1 5.5 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10157
generic_textual MODERATE https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10157
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-68hw-vfh7-xvg8
cvssv3.1 5.5 https://github.com/keycloak/keycloak-nodejs-connect/commit/55e54b55d05ba636bc125a8f3d39f0052d13f8f6
generic_textual MODERATE https://github.com/keycloak/keycloak-nodejs-connect/commit/55e54b55d05ba636bc125a8f3d39f0052d13f8f6
cvssv3.1 5.5 https://nvd.nist.gov/vuln/detail/CVE-2019-10157
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2019-10157
cvssv3.1 5.5 https://snyk.io/vuln/SNYK-JS-KEYCLOAKNODEJSCONNECT-449920
generic_textual MODERATE https://snyk.io/vuln/SNYK-JS-KEYCLOAKNODEJSCONNECT-449920
cvssv3.1 5.5 https://www.npmjs.com/advisories/978
generic_textual MODERATE https://www.npmjs.com/advisories/978
cvssv3.1 5.5 http://www.securityfocus.com/bid/108734
generic_textual MODERATE http://www.securityfocus.com/bid/108734
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-10157.json
https://api.first.org/data/v1/epss?cve=CVE-2019-10157
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10157
https://github.com/keycloak/keycloak-nodejs-connect/commit/55e54b55d05ba636bc125a8f3d39f0052d13f8f6
https://snyk.io/vuln/SNYK-JS-KEYCLOAKNODEJSCONNECT-449920
https://www.npmjs.com/advisories/978
http://www.securityfocus.com/bid/108734
1702953 https://bugzilla.redhat.com/show_bug.cgi?id=1702953
CVE-2019-10157 https://nvd.nist.gov/vuln/detail/CVE-2019-10157
GHSA-68hw-vfh7-xvg8 https://github.com/advisories/GHSA-68hw-vfh7-xvg8
No exploits are available.
Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-10157.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10157
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/keycloak/keycloak-nodejs-connect/commit/55e54b55d05ba636bc125a8f3d39f0052d13f8f6
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2019-10157
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://snyk.io/vuln/SNYK-JS-KEYCLOAKNODEJSCONNECT-449920
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://www.npmjs.com/advisories/978
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at http://www.securityfocus.com/bid/108734
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.04954
EPSS Score 0.00019
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:48:31.662506+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/npm/keycloak-connect/CVE-2019-10157.yml 38.0.0