# CVE-2026-70689: Oracle Essbase unauthenticated remote code execution in Infrastructure

Source: https://junglewise.ai/threats/cve-2026-70689-oracle-essbase-unauthenticated-remote-code-execution-in  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-08-18. Updated: 2026-09-25  
License: CC BY 4.0 with a link back

CVE-2026-70689 · Severity: critical · CVSS 9.8 · Published 2026-08-18

Oracle Essbase is a financial planning and enterprise performance management solution used by organizations to consolidate, plan, and analyze business data. An unauthenticated attacker can remotely compromise the application via HTTP, potentially gaining full control of the system and accessing or modifying sensitive financial and operational data.

Technologies: [Oracle Essbase](https://junglewise.ai/threats/technologies/essbase). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## Quick answers

**Is CVE-2026-70689 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-70689 being exploited in the wild.

**How severe is CVE-2026-70689?** Critical severity, with a CVSS score of 9.8, published 18 August 2026.

**Which products and versions are affected?** Oracle Essbase 21.8.1.0.0.

**Is there a fix for CVE-2026-70689?** 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-2026-70689 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-70689?** Check whether you run Oracle Essbase 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

This is an unauthenticated remote code execution vulnerability in Oracle Essbase's Infrastructure component affecting version 21.8.1.0.0. The vulnerability is easily exploitable via network-accessible HTTP requests and requires no user interaction or prior authentication. Successful exploitation allows an unauthenticated attacker to achieve full system compromise, including arbitrary code execution with impacts to confidentiality, integrity, and availability of the Essbase system and its data. The attack vector is network-based with low attack complexity. Oracle has released security guidance, though specific patch details are unavailable from the referenced sources.

## Affected products

- Oracle Essbase 21.8.1.0.0

## Timeline

- 2026-08-18: disclosed
- 2026-08-18: advisory

## References

- [https://www.oracle.com/security-alerts/cspuaug2026.html](https://www.oracle.com/security-alerts/cspuaug2026.html)

## Related threats

- [Oracle Essbase unauthenticated remote code execution](https://junglewise.ai/threats/cve-2026-91665-vulnerability-in-oracle-essbase-component-security-the-supported)
- [Oracle Essbase denial of service in Security component](https://junglewise.ai/threats/cve-2026-91664-vulnerability-in-oracle-essbase-component-security-the-supported)
- [Oracle Essbase privilege escalation in Security component](https://junglewise.ai/threats/cve-2026-91663-vulnerability-in-oracle-essbase-component-security-the-supported)
- [Oracle Essbase privilege escalation in Java Based Agent](https://junglewise.ai/threats/cve-2026-91662-vulnerability-in-oracle-essbase-component-java-based-agent-the)
- [Oracle Essbase authentication bypass in security component](https://junglewise.ai/threats/cve-2026-91661-vulnerability-in-oracle-essbase-component-security-the-supported)