EUVD-2026-53527
GHSA-rgw8-wchj-9xjv
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Network-accessible endpoints require PR:L (Overall/Read); only credential IDs disclosed, not secrets, so C:L; no integrity or availability impact.
Primary rating from Vendor (CNA).
CVSS VectorVendor
Lifecycle Timeline
4Description PRE-NVD
AnalysisAI
Missing permission checks in HCL AppScan Plugin 1.8.3 and earlier expose multiple Jenkins HTTP endpoints to any authenticated user holding Overall/Read permission, enabling enumeration of credentials IDs stored in Jenkins. Credential ID disclosure is a stepping-stone attack: while the raw secrets are not returned, knowledge of credential IDs can be combined with a separate vulnerability to capture those credentials. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the attacker to hold an active, authenticated Jenkins session with at minimum Overall/Read permission - the baseline permission level in most Jenkins installations. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The standalone CVSS for this issue is moderate: exploitation requires network access and at minimum Overall/Read permission (PR:L), and the direct impact is limited to credential ID disclosure rather than secret exfiltration (C:L/I:N/A:N). … 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 | Upgrade HCL AppScan Plugin to version 1.8.4 or later via the Jenkins Plugin Manager (Manage Jenkins → Plugins → Updates tab). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Jenkins instances running AppScan Plugin and document which users hold Overall/Read permissions-immediately audit the Jenkins credential store for suspicious access patterns. …
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Same weakness CWE-862 – Missing Authorization
View allSame technique Authentication Bypass
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External POC / Exploit Code
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