CVE-2026-82418

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Remote Code Execution in IBM Watson Speech Services Cartridge

Publication date: 2026-11-04

Last updated on: 2026-11-04

Assigner: IBM Corporation

Description

IBM Watson Speech Services Cartridge 4.0.0 through 5.4.0 could allow a remote attacker to execute arbitrary code due to a use-after-free vulnerability.

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Meta Information

Published

2026-11-04

Last Modified

2026-11-04

Generated

2026-11-05

AI Q&A

2026-11-05

EPSS Evaluated

N/A

NVD

CVE-2026-82418

EUVD

EUVD-2026-117116

Affected Vendors & Products

Vendor	Product	Version / Range
IBM	Watson Speech Services Cartridge	4.0.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-416	The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

Attack-Flow Graph

Executive Summary

IBM Watson Speech Services Cartridge versions 4.0.0 through 5.4.0 contain a use-after-free vulnerability in cryptography wheels using OpenSSL versions prior to cryptograph 48.01. This flaw allows specially crafted PKCS#7 or S/MIME signed messages to trigger a use-after-free during PKCS#7 signature verification, potentially enabling remote attackers to execute arbitrary code.

Detection Guidance

Detection requires checking the installed version of IBM Watson Speech Services Cartridge and verifying if it falls within versions 4.0.0 through 5.4.0. Use commands like 'rpm -qa | grep ibm-watson-speech' or 'dpkg -l | grep ibm-watson-speech' to list installed packages. Compare the version against the affected range.

Impact Analysis

A remote attacker could exploit this flaw to execute arbitrary code on systems running vulnerable versions of IBM Watson Speech Services Cartridge. This could lead to unauthorized access, data breaches, system compromise, or further network infiltration depending on the attacker's goals.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, which may violate compliance requirements under GDPR (data protection) or HIPAA (healthcare data privacy). Organizations using affected versions must apply the patch to maintain compliance and avoid potential regulatory penalties.

Mitigation Strategies

Apply IBM Watson Speech Services Cartridge 5.4.0 Patch 8 or upgrade to a version beyond 5.4.0. Download the patch from the IBM documentation link provided in Resource 1. No workarounds are available, so patching is the only mitigation.

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