EUVD-2026-81575
GHSA-xx9v-9858-mwgg
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
PR:L because the attacker needs a token from a previously authenticated account; C:L/I:L reflect retained original read/write permissions; no availability or scope impact.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
Lifecycle Timeline
4DescriptionCVE.org
admin3 through 3.0.0 fails to invalidate existing sessions when disabling a user account, allowing attackers to retain authenticated access with original permissions. Attackers can continue using bearer tokens issued before account disablement to authenticate requests, as the AuthInterceptor never re-validates the user's locked status and session expiry resets on each request.
AnalysisAI
Disabling or locking a user account in admin3 through 3.0.0 does not invalidate that user's existing bearer tokens, so a previously authenticated user retains full access with their original permissions after the account is disabled. The root cause is twofold: the AuthInterceptor never re-checks the user's locked status on subsequent requests, and LocalSessionManager resets session expiry on every request, so a pre-existing token never lapses through inactivity. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the attacker to possess a valid bearer token that was issued by admin3 while their account was still enabled, and it only becomes relevant after an administrator disables or locks that account. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuine but moderate-severity access-control weakness, correctly rated CVSS 5.4 (AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/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 | No vendor-released patch identified at time of analysis: the references supplied point to vulnerable 3.0.0 source files and a third-party POC, not to an upstream fix or tagged patched release, so verify against the project repository at https://github.com/cjbi/admin3 and the advisory at https://www.vulncheck.com/advisories/admin3-through-3.0.0-session-not-invalidated-when-a-user-account-is-disabled before assuming a fix exists. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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