0.0
NA
CVE-2026-53436
Jenkins Relative Path Traversal for Phishing
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 relative path segments (`./` or `../`), 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-2026-53436 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 properly validates redirect URLs after login.
  • Update Jenkins to a patched version.
  • Verify redirect URL validation logic.

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-2026-53436 vulnerability anywhere in the article.

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.