CVE-2026-57303
Jenkins Assembla Plugin XXE
Description
Jenkins Assembla Plugin 1.4 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks, allowing attackers able to control the responses of the configured Assembla server to extract secrets from the Jenkins controller or perform server-side request forgery.
INFO
Published Date :
June 24, 2026, 1:20 p.m.
Last Modified :
June 24, 2026, 1:20 p.m.
Remotely Exploit :
No
Source :
jenkins
Affected Products
The following products are affected by CVE-2026-57303
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 the Assembla plugin to the latest version.
- Configure the XML parser to disable external entities.
- Ensure Assembla server responses are not controllable by attackers.
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-2026-57303 vulnerability anywhere in the article.