What is CVE-2016-0791?

CVE-2016-0791 is a critical-severity vulnerability in Jenkins, classified under Information Disclosure. CVSS score: 9.8/10. Published 2016-04-07.

How severe is CVE-2016-0791?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Information disclosure in Jenkins

CVE-2016-0791

Jenkins before 1.650 and LTS before 1.642.2 do not use a constant-time algorithm to verify CSRF tokens, which makes it easier for remote attackers to bypass a CSRF protection mechanism via a brute-force approach.

Vulnerability class: Information Disclosure

Published 2016-04-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.027 (85.8th percentile), scored 2026-10-19.

Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 85.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000

Affected products

Jenkins — versions 1.642.1
Red Hat Openshift — versions 3.1

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

access.redhat.com/errata/RHSA-2016:0711 (vendor-advisory)
rhn.redhat.com/errata/RHSA-2016-1773.html (vendor-advisory)
wiki.jenkins-ci.org/display/SECURITY/Jenkins+Security+Advisory+2016-02-24 (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2016-0791?: CVE-2016-0791 is a critical-severity vulnerability in Jenkins, classified under Information Disclosure. CVSS score: 9.8/10. Published 2016-04-07.
How severe is CVE-2016-0791?: Critical severity. CVSS v3 base score is 9.8 out of 10.