EUVD-2026-38785
GHSA-2r5w-jh6g-8hff
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
PR:L reflects mandatory authenticated Jenkins session; C:L and I:L capture credential leakage and SSRF capability without full system compromise.
Primary rating from Vendor (jenkins).
CVSS VectorVendor: jenkins
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Lifecycle Timeline
3DescriptionCVE.org
A missing permission check in Jenkins Assembla Plugin 1.4 and earlier allows attackers with Overall/Read permission to connect to an attacker-specified URL using an attacker-specified username and password.
AnalysisAI
Jenkins Assembla Plugin 1.4 and earlier exposes a connection-test endpoint without adequate permission enforcement, allowing any Jenkins user holding only Overall/Read permission to trigger outbound HTTP connections to an arbitrary attacker-controlled URL with attacker-supplied credentials. This enables both a limited Server-Side Request Forgery (SSRF) vector for internal network probing and credential interception on the attacker's endpoint. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the attacker to possess a valid Jenkins account with at minimum Overall/Read permission - the lowest standard permission level in Jenkins. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 score of 5.4 (Medium) with vector AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N accurately reflects the threat model: the flaw is network-reachable with low attack complexity but requires an authenticated session (PR:L), limiting the exposure surface to users who already hold a Jenkins account. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker with a low-privilege Jenkins account (Overall/Read only) sends a crafted HTTP request to the Assembla Plugin's connection-test endpoint, specifying a URL pointing to an attacker-controlled server and a target credential set. The Jenkins server makes an outbound HTTP request carrying those credentials to the attacker's host, where they are logged; the attacker also learns whether internal IP ranges are reachable from the Jenkins host based on response timing or errors. |
| Remediation | Upgrade Jenkins Assembla Plugin to a version that addresses SECURITY-3692 as directed by the Jenkins security advisory at https://www.jenkins.io/security/advisory/2026-06-24/#SECURITY-3692%20(2). … Detailed patch versions, workarounds, and compensating controls in full report. |
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More in Jenkins Assembla Plugin
View allXML external entity (XXE) injection in the Jenkins Assembla Plugin version 1.4 and earlier lets an attacker who can cont
A cross-site request forgery (CSRF) vulnerability in Jenkins Assembla Plugin 1.4 and earlier allows attackers to connect
Same weakness CWE-862 – Missing Authorization
View allSame technique Authentication Bypass
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External POC / Exploit Code
Leaving vuln.today