CVE-2026-53440
Jenkins: Open Redirect in Security Realm
Description
Jenkins 2.567 and earlier, LTS 2.555.2 and earlier does not ensure that the "from" parameter in the "Delegate to servlet container" security realm is safe to redirect to after login, allowing attackers to perform phishing attacks by redirecting users to an attacker-controlled domain.
INFO
Published Date :
June 10, 2026, 1:06 p.m.
Last Modified :
June 10, 2026, 1:06 p.m.
Remotely Exploit :
No
Source :
jenkins
Affected Products
The following products are affected by CVE-2026-53440
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 version 2.568 or later.
- Apply LTS updates to version 2.555.3 or later.
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-2026-53440 vulnerability anywhere in the article.