# CVE-2026-89120: SAP ABAP Platform authorization bypass in session manager

Source: https://junglewise.ai/threats/cve-2026-89120-a-regression-caused-by-an-api-change-in-sap-abap-platform  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-13. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2026-89120 · Severity: high · CVSS 7.1 · Published 2026-10-13

A regression in SAP ABAP Platform re-introduces a previously fixed authorization flaw in the session manager. An attacker with low privileges can exploit this to bypass access restrictions through crafted requests, potentially compromising data integrity. The issue allows unauthorized access to restricted functionality rather than causing system outages.

Technologies: [SAP ABAP Platform](https://junglewise.ai/threats/technologies/sap-abap-platform). Vendors: [SAP](https://junglewise.ai/threats/vendors/sap).

## Quick answers

**Is CVE-2026-89120 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-89120 being exploited in the wild.

**How severe is CVE-2026-89120?** High severity, with a CVSS score of 7.1, published 13 October 2026.

**Which products and versions are affected?** SAP ABAP Platform.

**Is there a fix for CVE-2026-89120?** 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-2026-89120 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-89120?** Check whether you run SAP ABAP Platform. 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 API change in SAP ABAP Platform caused a regression that reintroduces a fixed authorization weakness, allowing the session manager to be opened in single transaction mode from the Fiori Launchpad (FLP). A low-privileged attacker can craft requests to bypass restrictions; the vulnerability impacts integrity with high severity and confidentiality with low severity, with no availability impact.

## Affected products

- SAP ABAP Platform

## Timeline

- 2026-10-13: disclosed

## References

- [https://me.sap.com/notes/3626303](https://me.sap.com/notes/3626303)
- [https://url.sap/sapsecuritypatchday](https://url.sap/sapsecuritypatchday)

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- [SAP NetWeaver Application Server ABAP memory corruption denial of service](https://junglewise.ai/threats/cve-2026-76973-due-to-a-memory-corruption-vulnerability-in-application-server)
- [SAP NetWeaver Application Server ABAP memory corruption denial of service](https://junglewise.ai/threats/cve-2026-76970-due-to-a-memory-corruption-vulnerability-in-application-server)
- [SAP NetWeaver ABAP RFC protocol memory corruption](https://junglewise.ai/threats/cve-2026-76966-due-to-improper-rfc-protocol-validation-in-the-sap-kernel-used-by)
- [SAP NetWeaver Application Server ABAP authorization bypass](https://junglewise.ai/threats/cve-2026-76965-sap-netweaver-application-server-abap-and-abap-platform-does-not)
- [SAP NetWeaver AS ABAP authentication assertion verification bypass](https://junglewise.ai/threats/cve-2026-120017-sap-netweaver-as-abap-and-abap-platform-does-not-perform)