CVE-2026-53437
Jenkins Tab N Transgression Security Bypass
Description
Jenkins 2.567 and earlier, LTS 2.555.2 and earlier improperly determines that a redirect URL after login is legitimately pointing to Jenkins when it contains tab or newline characters between `//`, allowing attackers to perform phishing attacks.
INFO
Published Date :
June 10, 2026, 1:05 p.m.
Last Modified :
June 10, 2026, 1:05 p.m.
Remotely Exploit :
No
Source :
jenkins
Affected Products
The following products are affected by CVE-2026-53437
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 version that fixes the redirect URL validation.
- Apply security patches provided by the Jenkins project.
- Review and restrict redirect URL configurations.
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-2026-53437 vulnerability anywhere in the article.