CVE-2019-3868

mediumpriority · track · 15EPSS 0.010 · 63 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.00% (63rd) EPSS

CVSS 5.5 · medium

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

Keycloak up to version 6.0.0 allows the end user token (access or id token JWT) to be used as the session cookie for browser sessions for OIDC. As a result an attacker with access to service provider backend could hijack user’s browser session.

cvss

Technical severity, 0–10. One row per scoring source.

5.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.5–5.5

v2.05.5mediumAV:N/AC:L/Au:S/C:P/I:P/A:Nprimary · NVD / NIST USexploitability 8 · impact 4.9

v3.03.8lowCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 1.2 · impact 2.5

v3.03.8lowCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:Nsecondary · ENISA EU

v3.03.8lowCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:Nsecondary · secalert@redhat.com USexploitability 1.2 · impact 2.5

v3.03.8lowCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:Nsecondary · OSV

v3.03.5lowCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-200USprimaryCWE-200US

affected products (3)

Products and version ranges known to be affected.

Red Hat KeyCloak≤ affects up to 6.0.0 versionenisa_euvdEU
redhat keycloak≤ 6.0.0nvdUScpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*
Maven org.keycloak:keycloak-core< 6.0.0osvUSpkg:maven/org.keycloak/keycloak-core

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-gc52-xj6p-9pxpExposure of Sensitive Information to an Unauthorized Actor in Keycloak2019-04-30ghsa · osvUS
Keycloak up to version 6.0.0 allows the end user token (access or id token JWT) to be used as the session cookie for browser sessions for OIDC. As a result an attacker with access to service provider backend could hijack user?s browser session.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2019-04-24modified 2026-06-17

related (19,397)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-20133US	high7.5OT critical	31.5% (98th)	KEV	2026-02-25
A vulnerability in Cisco Catalyst SD-WAN Software could allow an unauthenticated, remote attacker to view sensitive information on an affected system. This vulnerability is due…
CVE-2026-20128US	—OT critical	7.32% (94th)	KEV	2026-02-25
A vulnerability in the Data Collection Agent (DCA) feature of Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to gain DCA user privileges on an affect…
CVE-2026-20122US	medium5.4OT critical	25.8% (98th)	KEV	2026-02-25
A vulnerability in the API of Cisco Catalyst SD-WAN Manager could allow an authenticated, remote attacker to overwrite arbitrary files on the local file system. To exploit this vul…
CVE-2025-68686US	—OT critical	29.5% (98th)	KEV	2026-02-10
An Exposure of Sensitive Information to an Unauthorized Actor vulnerability [CWE-200] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.1, FortiOS 7.4.0 through 7.4.6, FortiOS 7.…
CVE-2026-20805US	—OT critical	7.46% (94th)	KEV	2026-01-13
Exposure of sensitive information to an unauthorized actor in Desktop Windows Manager allows an authorized attacker to disclose information locally.

+19392 more

references (28)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan