# CVE-2026-83377: Oracle E-Business Suite HRMS mobile applications data access bypass

Source: https://junglewise.ai/threats/cve-2026-83377-vulnerability-in-the-oracle-hrms-us-product-of-oracle-e-business  
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-2026-83377 · Severity: medium · CVSS 5.4 · Published 2026-10-20

Oracle E-Business Suite HRMS is human resources management software used by enterprises to manage employee data and payroll. A vulnerability in its mobile applications allows a low-privileged attacker with network access to read and modify sensitive employee and HR data if they can trick a user into interaction. This could lead to unauthorized access to payroll, personal information, and other confidential HR records.

Technologies: [Oracle E-Business Suite HRMS (US)](https://junglewise.ai/threats/technologies/e-business-suite-hrms-us). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## Quick answers

**Is CVE-2026-83377 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-83377 being exploited in the wild.

**How severe is CVE-2026-83377?** Medium severity, with a CVSS score of 5.4, published 20 October 2026.

**Which products and versions are affected?** Oracle E-Business Suite HRMS (US) 12.2.3–12.2.15.

**Is there a fix for CVE-2026-83377?** 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-2026-83377 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-83377?** Check whether you run Oracle E-Business Suite HRMS (US) 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

An easily exploitable vulnerability in the mobile applications component of Oracle HRMS (US) allows low-privileged network attackers to bypass access controls via HTTP. The attack requires user interaction from a victim other than the attacker and causes scope change, impacting additional Oracle E-Business Suite products. Successful exploitation grants unauthorized read and modify access to sensitive HR data accessible to the victim's account.

## Affected products

- Oracle E-Business Suite HRMS (US) 12.2.3–12.2.15

## Timeline

- 2026-10-20: disclosed

## References

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

## Related threats

- [Oracle E-Business Suite HRMS US Payroll Year End unauthorized data access](https://junglewise.ai/threats/cve-2026-83391-vulnerability-in-the-oracle-hrms-us-product-of-oracle-e-business)
- [Oracle E-Business Suite HRMS US unauthorized data access](https://junglewise.ai/threats/cve-2026-83386-vulnerability-in-the-oracle-hrms-us-product-of-oracle-e-business)
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- [Oracle HRMS unauthorized data access vulnerability](https://junglewise.ai/threats/cve-2026-83384-vulnerability-in-the-oracle-hrms-us-product-of-oracle-e-business)
- [Oracle HRMS (US) unauthorized data access in E-Business Suite](https://junglewise.ai/threats/cve-2026-83383-vulnerability-in-the-oracle-hrms-us-product-of-oracle-e-business)
