Description

IBM Documentation Offline 1.0.0 through 1.4.1 IBM Documentation could allow a remote attacker to obtain sensitive information due to a security misconfiguration where the documentation server binds to an unrestricted IP address.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "4.3",
  "pubDate": "2026-08-13T20:17:14.930Z",
  "pubdate": "2026-08-13T20:17:14.930Z",
  "executiveSummary": "A security misconfiguration vulnerability has been identified in IBM Documentation Offline versions 1.0.0 through 1.4.1. The vulnerability stems from an insecure network binding configuration where the internal documentation server binds directly to an unrestricted IP address, exposing the service beyond intended local boundaries. This flaw allows a remote, unauthenticated attacker to interact with the documentation server over the network without requiring specialized privileges or complex interaction. By leveraging this exposure, an unauthorized remote adversary can access the service and retrieve sensitive information hosted within the application environment. The risk implication involves the potential exposure of proprietary enterprise data, operational details, or internal documentation that should otherwise be restricted to local or trusted network contexts. Exploitation relies on network reachability to the vulnerable documentation server interface and does not necessitate prior access or stolen credentials, increasing the overall threat level for deployments where the host machine is connected to untrusted or public networks.",
  "technicalDetails": "The root cause of this vulnerability lies in the initialization and binding logic of the documentation server component within IBM Documentation Offline versions 1.0.0 through 1.4.1. Specifically, the network socket is configured to bind to an unrestricted IP address, such as 0.0.0.0 or an externally accessible network interface, rather than restricting the listener strictly to the local loopback interface (127.0.0.1). This improper network exposure allows any interface on the host operating system to accept incoming Transmission Control Protocol (TCP) connections intended for the documentation server.\nThe attack flow proceeds as follows: First, a remote attacker performs network reconnaissance or scans target subnets to identify active services running on the default or configured ports associated with IBM Documentation Offline. Upon discovering an active listener on an unrestricted IP address, the attacker initiates a standard TCP handshake with the documentation server. Because the application lacks sufficient access control lists (ACLs) or authentication mechanisms at the transport and application layers, the server accepts the inbound connection from the remote source.\nFollowing a successful connection, the attacker can issue HTTP or related protocol requests to query, browse, or retrieve documentation assets hosted by the server. The payload behavior involves standard information retrieval queries that prompt the server to return internal files, guides, or sensitive operational data stored within the documentation repository. Since no authentication requirements or privilege requirements are enforced by the misconfigured server, the requests are processed and fulfilled directly.\nThe post-exploitation impact is characterized by unauthorized information disclosure. An adversary who successfully extracts sensitive documentation gains valuable intelligence regarding internal system architectures, proprietary software implementations, configuration procedures, or other confidential enterprise data exposed within the offline documentation repository. This information can subsequently be leveraged to plan further attacks against interconnected systems or enterprise infrastructure."
}