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PatchSiren cyber security CVE debrief

CVE-2026-23687 SAP_SE CVE debrief

CVE-2026-23687 is a HIGH severity vulnerability in SAP NetWeaver Application Server ABAP and ABAP Platform. An authenticated attacker with normal privileges can exploit this vulnerability to obtain a valid signed message and send modified signed XML documents to the verifier. This may result in acceptance of tampered identity information, unauthorized access to sensitive user data, and potential disruption of normal system usage.

Vendor
SAP_SE
Product
SAP NetWeaver AS ABAP and ABAP Platform
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-02-10
Original CVE updated
2026-06-09
Advisory published
2026-02-10
Advisory updated
2026-06-09

Who should care

Administrators and users of SAP NetWeaver Application Server ABAP and ABAP Platform should be aware of this vulnerability and take necessary actions to mitigate it.

Technical summary

The vulnerability has a CVSS score of 8.8 and is classified as CWE-347. It was published on 2026-02-10T04:16:03.180Z and last modified on 2026-06-09T08:16:27.170Z.

Defensive priority

HIGH

Recommended defensive actions

  • Apply patches or updates provided by SAP to fix the vulnerability.
  • Restrict access to sensitive areas of the system to only authorized personnel.
  • Monitor system logs for suspicious activity.

Evidence notes

The vulnerability affects multiple versions of SAP NetWeaver Application Server ABAP and ABAP Platform.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-23687 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-23687

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-23687 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-23687

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.