Quick answers
- Is CVE-2026-82418 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-82418 being exploited in the wild.
- How severe is CVE-2026-82418?
- Critical severity, with a CVSS score of 9.8, published 4 November 2026.
- Which products and versions are affected?
- IBM Watson Speech Services Cartridge 4.0.0 through 5.4.0.
- Is there a fix for CVE-2026-82418?
- Yes: fixed in Watson Speech Services Cartridge 5.4.0 Patch 8. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-82418 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-82418?
- Check whether you run IBM Watson Speech Services Cartridge at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
How to fix
- Fixed in: Watson Speech Services Cartridge 5.4.0 Patch 8
Technical details
A use-after-free vulnerability (CWE-416) exists in OpenSSL versions bundled in IBM Watson Speech Services Cartridge's cryptography wheels prior to version 48.01, affecting the PKCS#7 signature verification process. The flaw requires no authentication or user interaction and can be exploited remotely by sending specially crafted signed messages to any instance running the affected cartridge versions. A patch is available in version 5.4.0 Patch 8.
Affected products
- IBM Watson Speech Services Cartridge 4.0.0 through 5.4.0
Timeline
- 2026-10-22: advisory