Open Redirect Affecting org.jenkins-ci.main:jenkins-core package, versions [,2.555.3)[2.500,2.568)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JAVA-ORGJENKINSCIMAIN-17755941
- published1 Jul 2026
- disclosed10 Jun 2026
- creditUnknown
Introduced: 10 Jun 2026
CVE-2026-53440 (opens in a new tab)How to fix?
Upgrade org.jenkins-ci.main:jenkins-core to version 2.555.3, 2.568 or higher.
Overview
org.jenkins-ci.main:jenkins-core is an open source automation server.
Affected versions of this package are vulnerable to Open Redirect via the from parameter in the login process. An attacker can redirect users to an attacker-controlled domain by supplying a crafted value to this parameter after authentication.