CVE-2026-57303 · Symaro Security Advisory

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.

Severity (CVSS)

Base score	7.1
Severity	High
Version	CVSS 3.1
Vector	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Provided by	CISA-ADP

Weaknesses

CWE-918 — CWE-918 Server-Side Request Forgery (SSRF)

Affected products

Vendor	Product	Versions
Jenkins Project	Jenkins Assembla Plugin	0 to <=1.4

References

https://www.jenkins.io/security/advisory/2026-06-24/#SECURITY-3692%20(1) (vendor-advisory)

Authoritative sources

This page is a snapshot. For the latest enrichment and updates, view the record on CVE.org or the NVD.

Generated from the official CVE List on 25 Jun 2026 10:14 UTC.