---
id: "CVE-2025-36069"
kind: "vulnerability"
aliases: ["CVE-2025-36069"]
title: "IBM TS4500 Library: sessions stay valid after logout, enabling impersonation"
severity: "medium"
cvss: 5.5
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: []
ecosystems: []
tags: ["ibm-storage", "infrastructure", "tape-library"]
not_affected_if: []
published_at: "2026-10-19T23:17:35+00:00"
first_seen_at: "2026-10-23T21:57:19+00:00"
updated_at: "2026-10-25T04:12:42+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-36069", "first_seen_at": "2026-10-23T21:57:19+00:00"}]
---

# IBM TS4500 Library: sessions stay valid after logout, enabling impersonation

IBM Storage TS4500 Library versions 1.1.1.6 through 1.12.0.3 keep a user's session active after logout. An authenticated user can use that leftover session to impersonate another user on the system.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- unknown

## Fix

- unknown

## Timeline

- 2026-10-23T21:57:19+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2025-36069

## From the sources

IBM Storage TS4500 Library 1.1.1.6 through 1.12.0.3 does not invalidate session after a logout which could allow an authenticated user to impersonate another user on the system.

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_