# CVE-2026-101736: Oracle Primavera Unifier HTTP authentication bypass in Core

Source: https://junglewise.ai/threats/cve-2026-101736-vulnerability-in-the-primavera-unifier-product-of-oracle  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-20. Updated: 2026-10-20  
License: CC BY 4.0 with a link back

CVE-2026-101736 · Severity: high · CVSS 7.4 · Published 2026-10-20

Oracle Primavera Unifier is a construction project and financial management platform used by enterprises to manage large-scale projects and resources. An unauthenticated attacker on the network can exploit a flaw in the Core component via HTTP to read, create, delete, or modify critical project and business data without authorization. This could allow competitors or malicious actors to sabotage projects, steal confidential information, or disrupt construction operations.

Technologies: [Oracle Primavera Unifier](https://junglewise.ai/threats/technologies/primavera-unifier). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## Quick answers

**Is CVE-2026-101736 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-101736 being exploited in the wild.

**How severe is CVE-2026-101736?** High severity, with a CVSS score of 7.4, published 20 October 2026.

**Which products and versions are affected?** Oracle Primavera Unifier 21.12.0 through 21.12.17.

**Is there a fix for CVE-2026-101736?** 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-2026-101736 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-101736?** Check whether you run Oracle Primavera Unifier 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 difficult-to-exploit authentication bypass vulnerability in the Primavera Unifier Core component allows unauthenticated attackers with network access via HTTP to gain unauthorized access to the application. The attack requires specific conditions (high complexity) but does not require user interaction or prior authentication. Successful exploitation grants read and write access to all Primavera Unifier data, including critical business and project information.

## Affected products

- Oracle Primavera Unifier 21.12.0 through 21.12.17

## Timeline

- 2026-10-20: disclosed

## References

- [https://www.oracle.com/security-alerts/cpuoct2026.html](https://www.oracle.com/security-alerts/cpuoct2026.html)

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