CVE-2019-3876

Name: CVE-2019-3876
Creator: NVD / NIST
Published: 2019-04-01T15:29:01.123+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.3/10EPSS 0.67%

Last modified Jun 17, 2026

CVE-2019-3876 is a medium-severity vulnerability rated 6.3/10 on the CVSS scale. A flaw was found in the /oauth/token/request custom endpoint of the OpenShift OAuth server allowing for XSS generation of CLI tokens due to missing X-Frame-Options and CSRF protections. If not otherwise prevented, a separate XSS vulnerability via JavaScript could further allow for the extraction of these tokens.. EPSS estimates a 0.67% chance of exploitation in the next 30 days.

Description

A flaw was found in the /oauth/token/request custom endpoint of the OpenShift OAuth server allowing for XSS generation of CLI tokens due to missing X-Frame-Options and CSRF protections. If not otherwise prevented, a separate XSS vulnerability via JavaScript could further allow for the extraction of these tokens.

Metrics

CVSS 3.1

6.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

EPSS Probability

0.67%

47.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Redhat	Openshift Container Platform	>= 3.0, <= 3.11

References

http://www.securityfocus.com/bid/107664Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2019:1851Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3876Issue Tracking, Vendor Advisory
http://www.securityfocus.com/bid/107664Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2019:1851Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3876Issue Tracking, Vendor Advisory

Timeline

Published: Apr 1, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-3876?

How severe is CVE-2019-3876?

CVE-2019-3876 has a CVSS score of 6.3/10 (MEDIUM severity). The EPSS model estimates a 0.67% probability of exploitation in the next 30 days.

How do I fix CVE-2019-3876?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-3876?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST