Permission Check Flaw in Jenkins AppSpider Plugin by Jenkins
CVE-2026-48923

4.3MEDIUM

Key Information:

Vendor

Jenkins
Status
Jenkins Appspider Plugin
Vendor
CVE Published:
27 May 2026

What is CVE-2026-48923?

The Jenkins AppSpider Plugin, specifically version 1.0.17 and earlier, lacks a necessary permission check in a form validation method. This oversight enables attackers who possess Overall/Read permissions to exploit the vulnerability, allowing them to connect to unauthorized, attacker-specified URLs. It is essential for users of the plugin to review permissions and upgrade to mitigate this risk. For detailed remediation information, see the Jenkins Security Advisory.

Affected Version(s)

Jenkins AppSpider Plugin 0 <= 1.0.17

References

https://www.jenkins.io/security/advisory/2026-05-27/#SECU...
vendor-advisory

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.