ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2026-34257

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, th…

Published Apr 14, 2026 · catalog updated Jun 17, 2026 · netweaver application server abap

Check if you run it

No confirmed exploitation is on record for CVE-2026-34257. EPSS is 0.26%. Act only if a listed version of netweaver application server abap is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.26%
Remediation
Advisory link
Affected products
cpe sap/netweaver application server abap

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe sap/netweaver application server abap700
  • cpe sap/netweaver application server abap701
  • cpe sap/netweaver application server abap702
  • cpe sap/netweaver application server abap731
  • cpe sap/netweaver application server abap740
  • cpe sap/netweaver application server abap750
  • cpe sap/netweaver application server abap752
  • cpe sap/netweaver application server abap753

How to fix CVE-2026-34257

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-34257. EPSS is 0.26%. Act only if a listed version of netweaver application server abap is installed.

Which versions are affected?

Compare what you have installed with sap/netweaver application server abap 700; sap/netweaver application server abap 701; sap/netweaver application server abap 702; sap/netweaver application server abap 731. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-601: URL Redirection to Untrusted Site (Open Redirect). EPSS 0.26%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 14, 2026 · NIST NVD

    Detected

    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.

  2. Jun 17, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-34257

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-34257

    30-day exploitation probability 0.3%

    first.org
  • NIST NVDVulnerability recordCVE-2026-34257

    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 inte

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.