EUVD-2026-70128
GHSA-xf3h-5wg7-hr4f
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Server-side outbound connections to arbitrary URLs expose internal network topology (C:L); no integrity or availability impact; low-privilege authenticated access required.
Primary rating from Vendor (jenkins).
CVSS VectorVendor: jenkins
Lifecycle Timeline
4DescriptionCVE.org
Jenkins LDAP Plugin 807.809.vd3a_4e5e4ec98 and earlier allows connecting to a specified URL through Stapler data binding, allowing attackers to connect to an attacker-specified URL.
AnalysisAI
Server-side request forgery in Jenkins LDAP Plugin 807.809.vd3a_4e5e4ec98 and earlier allows low-privileged authenticated attackers to cause the Jenkins server to initiate connections to arbitrary, attacker-specified URLs via unsanitized Stapler data binding on the LDAP configuration endpoint. This enables internal network probing or interaction with attacker-controlled infrastructure from the Jenkins server's network perspective. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid Jenkins account with sufficient permissions to access or submit the LDAP Plugin configuration form - corresponding to CVSS PR:L (low privileges). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 base score of 4.3 (AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N) reflects a moderate, low-complexity network attack requiring only low-level authentication - a realistic threat model for any Jenkins instance with multiple users. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Update the Jenkins LDAP Plugin to the version released in conjunction with the Jenkins security advisory published 2026-09-02 at https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-3678. … Detailed patch versions, workarounds, and compensating controls in full report. |
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