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TI-2026-26546 Aliases CVE-2026-34257GHSA-fwjv-3fw4-7x83

Open Redirect vulnerability in SAP NetWeaver Application Server ABAP

Priority LOW 26CWE-601Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Spoofing
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-601.

Summary

Due to an Open Redirect vulnerability in SAP NetWeaver Application Server ABAP, an unauthenticated attacker could craft malicious URL that, if accessed by a victim, they could be redirected to the page controlled by the attacker. This causes low impact on confidentiality and integrity of the application with no impact on availability.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00155 4th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SAPSAP NetWeaver Application Server ABAPSAP_BASIS 700; SAP_BASIS 701; SAP_BASIS 702; SAP_BASIS 731; SAP_BASIS 740; SAP_BASIS 750; SAP_BASIS 752; SAP_BASIS 753; SAP_BASIS 754; SAP_BASIS 755; SAP_BASIS 756; SAP_BASIS 757; SAP_BASIS 758; SAP_BASIS 816—No fix listedCNA
  • SAP NetWeaver Application Server ABAP VendorSAP Affected SAP_BASIS 700; SAP_BASIS 701; SAP_BASIS 702; SAP_BASIS 731; SAP_BASIS 740; SAP_BASIS 750; SAP_BASIS 752; SAP_BASIS 753; SAP_BASIS 754; SAP_BASIS 755; SAP_BASIS 756; SAP_BASIS 757; SAP_BASIS 758; SAP_BASIS 816 Fixed in — No fix listed CNA

CPE configurations NVD · 14

CPEVersionsRoleVendor
cpe:2.3:a:sap:netweaver_application_server_abap:700:*:*:*:sap_basis:*:*:*700VulnerableSAP
cpe:2.3:a:sap:netweaver_application_server_abap:701:*:*:*:sap_basis:*:*:*701VulnerableSAP
cpe:2.3:a:sap:netweaver_application_server_abap:702:*:*:*:sap_basis:*:*:*702VulnerableSAP
cpe:2.3:a:sap:netweaver_application_server_abap:731:*:*:*:sap_basis:*:*:*731VulnerableSAP
cpe:2.3:a:sap:netweaver_application_server_abap:740:*:*:*:sap_basis:*:*:*740VulnerableSAP
cpe:2.3:a:sap:netweaver_application_server_abap:750:*:*:*:sap_basis:*:*:*750VulnerableSAP
cpe:2.3:a:sap:netweaver_application_server_abap:752:*:*:*:sap_basis:*:*:*752VulnerableSAP
cpe:2.3:a:sap:netweaver_application_server_abap:753:*:*:*:sap_basis:*:*:*753VulnerableSAP
cpe:2.3:a:sap:netweaver_application_server_abap:754:*:*:*:sap_basis:*:*:*754VulnerableSAP
cpe:2.3:a:sap:netweaver_application_server_abap:755:*:*:*:sap_basis:*:*:*755VulnerableSAP
  • cpe:2.3:a:sap:netweaver_application_server_abap:700:*:*:*:sap_basis:*:*:* Versions 700 Vulnerable ·SAP
  • cpe:2.3:a:sap:netweaver_application_server_abap:701:*:*:*:sap_basis:*:*:* Versions 701 Vulnerable ·SAP
  • cpe:2.3:a:sap:netweaver_application_server_abap:702:*:*:*:sap_basis:*:*:* Versions 702 Vulnerable ·SAP
  • cpe:2.3:a:sap:netweaver_application_server_abap:731:*:*:*:sap_basis:*:*:* Versions 731 Vulnerable ·SAP
  • cpe:2.3:a:sap:netweaver_application_server_abap:740:*:*:*:sap_basis:*:*:* Versions 740 Vulnerable ·SAP
  • cpe:2.3:a:sap:netweaver_application_server_abap:750:*:*:*:sap_basis:*:*:* Versions 750 Vulnerable ·SAP
  • cpe:2.3:a:sap:netweaver_application_server_abap:752:*:*:*:sap_basis:*:*:* Versions 752 Vulnerable ·SAP
  • cpe:2.3:a:sap:netweaver_application_server_abap:753:*:*:*:sap_basis:*:*:* Versions 753 Vulnerable ·SAP
  • cpe:2.3:a:sap:netweaver_application_server_abap:754:*:*:*:sap_basis:*:*:* Versions 754 Vulnerable ·SAP
  • cpe:2.3:a:sap:netweaver_application_server_abap:755:*:*:*:sap_basis:*:*:* Versions 755 Vulnerable ·SAP
Show 4 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:sap:netweaver_application_server_abap:756:*:*:*:sap_basis:*:*:*756VulnerableSAP
cpe:2.3:a:sap:netweaver_application_server_abap:757:*:*:*:sap_basis:*:*:*757VulnerableSAP
cpe:2.3:a:sap:netweaver_application_server_abap:758:*:*:*:sap_basis:*:*:*758VulnerableSAP
cpe:2.3:a:sap:netweaver_application_server_abap:816:*:*:*:sap_basis:*:*:*816VulnerableSAP
  • cpe:2.3:a:sap:netweaver_application_server_abap:756:*:*:*:sap_basis:*:*:* Versions 756 Vulnerable ·SAP
  • cpe:2.3:a:sap:netweaver_application_server_abap:757:*:*:*:sap_basis:*:*:* Versions 757 Vulnerable ·SAP
  • cpe:2.3:a:sap:netweaver_application_server_abap:758:*:*:*:sap_basis:*:*:* Versions 758 Vulnerable ·SAP
  • cpe:2.3:a:sap:netweaver_application_server_abap:816:*:*:*:sap_basis:*:*:* Versions 816 Vulnerable ·SAP

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-34257
  2. 2026-10-03 Alias added: GHSA-fwjv-3fw4-7x83

References

Advisory 1

Other 1

  • TI-2022-06811 SAP NetWeaver Application Server ABAP, SAP NetWeaver Application Server Java, ABAP… KEVCVSS 3.1CRITICAL 10.0
  • TI-2023-21149 Missing Authorization check in SAP CommonCryptoLib CVSS 3.1CRITICAL 9.8
  • TI-2023-12229 Directory Traversal vulnerability in SAP NetWeaver AS for ABAP and ABAP Platform CVSS 3.1CRITICAL 9.6
  • TI-2023-12228 Directory Traversal vulnerability in SAP NetWeaver AS for ABAP and ABAP Platform CVSS 3.1CRITICAL 9.6
  • TI-2021-19921 Code injection in SAP ABAP Server & ABAP Platform CVSS 3.1CRITICAL 9.8
  • TI-2021-09062 Improper authentication in SAP NetWeaver AS ABAP and ABAP Platform CVSS 3.1CRITICAL 9.8
See all 85 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences