CVE-2026-70429
Jenkins User Impersonation via Case-Insensitivity Vulnerability
Description
Jenkins 2.575 and earlier, LTS 2.568.1 and earlier handles case-insensitivity in user names and group names inconsistently, allowing attackers able to create new users or groups with names that case-insensitively match other characters to impersonate other users or be granted their permissions in some circumstances.
INFO
Published Date :
Aug. 5, 2026, 6:17 p.m.
Last Modified :
Aug. 5, 2026, 6:17 p.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-70429
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.
No affected product recoded yet
Solution
- Update Jenkins to a newer version.
- Apply relevant security patches.
- Review user and group name configurations.
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-2026-70429.
| URL | Resource |
|---|---|
| https://www.jenkins.io/security/advisory/2026-08-05/#SECURITY-3924 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-70429 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-2026-70429
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-2026-70429 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-70429 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.
-
New CVE Received by [email protected]
Aug. 05, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Jenkins Project', 'product': 'Jenkins', 'versions': [{'status': 'unaffected', 'version': '2.576', 'lessThan': '*', 'versionType': 'maven'}, {'status': 'unaffected', 'version': '2.568.2', 'lessThan': '2.568.*', 'versionType': 'maven'}], 'defaultStatus': 'affected'}] Added Description Jenkins 2.575 and earlier, LTS 2.568.1 and earlier handles case-insensitivity in user names and group names inconsistently, allowing attackers able to create new users or groups with names that case-insensitively match other characters to impersonate other users or be granted their permissions in some circumstances. Added Reference https://www.jenkins.io/security/advisory/2026-08-05/#SECURITY-3924