8.1
HIGH CVSS 3.1
CVE-2026-117619
Jenkins Improper Authentication Session Management
Description

Jenkins 2.587 and earlier, LTS 2.580.1 and earlier allows requests authenticated using HTTP Basic authentication, including with an API token, to obtain a "remember me" cookie, allowing attackers who have obtained a user's API token to retain access to Jenkins using a "remember me" cookie after the API token is revoked or expires.

INFO

Published Date :

Oct. 28, 2026, 5:18 p.m.

Last Modified :

Nov. 2, 2026, 2:58 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-117619 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Jenkins jenkins
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH [email protected]
Solution
Update Jenkins to fix an authentication bypass vulnerability allowing continued access with a "remember me" cookie.
  • Update Jenkins to a version later than 2.587 or LTS 2.580.1.
  • Remove any compromised API tokens.
  • Monitor for unauthorized access.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-117619.

URL Resource
https://www.jenkins.io/security/advisory/2026-10-28/#SECURITY-4189 Mitigation Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-117619 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-117619 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-117619 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-117619 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Nov. 02, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
    Added CWE NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:* versions up to (excluding) 2.588 *cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:* versions up to (excluding) 2.580.2
    Added Reference Type Jenkins Project: https://www.jenkins.io/security/advisory/2026-10-28/#SECURITY-4189 Types: Mitigation, Vendor Advisory
  • New CVE Received by [email protected]

    Oct. 28, 2026

    Action Type Old Value New Value
    Added Description Jenkins 2.587 and earlier, LTS 2.580.1 and earlier allows requests authenticated using HTTP Basic authentication, including with an API token, to obtain a "remember me" cookie, allowing attackers who have obtained a user's API token to retain access to Jenkins using a "remember me" cookie after the API token is revoked or expires.
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/117xxx/CVE-2026-117619.json">CVE-2026-117619</a>
    Added Reference https://www.jenkins.io/security/advisory/2026-10-28/#SECURITY-4189
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.