# CVE-2026-85457: IBM Planning Analytics stack-based buffer overflow

Source: https://junglewise.ai/threats/cve-2026-85457-ibm-planning-analytics-2-0-and-2-1-could-allow-a-remote  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-12. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2026-85457 · Severity: high · CVSS 8.1 · Published 2026-10-12

IBM Planning Analytics is a business intelligence and analytics tool used for planning and forecasting. A remote authenticated attacker can exploit a stack-based buffer overflow vulnerability to execute arbitrary code on affected systems, potentially compromising data confidentiality, integrity, and availability. This requires an attacker to have valid credentials to the system.

Technologies: [IBM Planning Analytics](https://junglewise.ai/threats/technologies/planning-analytics). Vendors: [IBM](https://junglewise.ai/threats/vendors/ibm).

## Quick answers

**Is CVE-2026-85457 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-85457 being exploited in the wild.

**How severe is CVE-2026-85457?** High severity, with a CVSS score of 8.1, published 12 October 2026.

**Which products and versions are affected?** IBM Planning Analytics 2.0, 2.1.

**Is there a fix for CVE-2026-85457?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-85457 attacked?** It is attacked over the network, in a hosted service.

**Am I affected by CVE-2026-85457?** Check whether you run IBM Planning Analytics 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.

## Technical details

A stack-based buffer overflow (CWE-121) in IBM Planning Analytics 2.0 and 2.1 allows a remote authenticated attacker to execute arbitrary code over the network. The vulnerability requires authentication credentials but no user interaction. Successful exploitation grants the attacker code execution privileges on the affected system.

## Affected products

- IBM Planning Analytics 2.0, 2.1

## Timeline

- 2026-10-12: disclosed

## References

- [https://www.ibm.com/support/pages/node/7291604](https://www.ibm.com/support/pages/node/7291604)

## Related threats

- [IBM Planning Analytics stack-based buffer overflow in TM1 OData engine](https://junglewise.ai/threats/cve-2026-76587-ibm-planning-analytics-2-0-and-2-1-are-vulnerable-to-a-stack)
- [IBM Planning Analytics cross-site scripting in JavaScript output encoding](https://junglewise.ai/threats/cve-2026-75063-ibm-planning-analytics-2-0-and-2-1-could-allow-a-remote)
- [IBM Planning Analytics path traversal in workspace component](https://junglewise.ai/threats/cve-2026-75061-ibm-planning-analytics-2-0-and-2-1-could-allow-a-remote-attacker)
- [IBM Planning Analytics path validation bypass](https://junglewise.ai/threats/cve-2026-19627-ibm-planning-analytics-2-0-and-2-1-could-allow-a-remote-attacker)
- [IBM Planning Analytics authentication bypass in sub-request validation](https://junglewise.ai/threats/cve-2026-19622-ibm-planning-analytics-2-0-and-2-1-could-allow-a-remote-attacker)