Vulnerability-Lookup

GHSA-464M-H7W2-29W7

Vulnerability from github – Published: 2026-02-10 06:30 – Updated: 2026-02-10 06:30

Details

SAP NetWeaver Application Server ABAP and ABAP Platform allows an authenticated attacker with normal privileges 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.

Severity

8.8 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2026-23687"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-347"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-02-10T04:16:03Z",
    "severity": "HIGH"
  },
  "details": "SAP NetWeaver Application Server ABAP and ABAP Platform allows an authenticated attacker with normal privileges 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.",
  "id": "GHSA-464m-h7w2-29w7",
  "modified": "2026-02-10T06:30:38Z",
  "published": "2026-02-10T06:30:38Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-23687"
    },
    {
      "type": "WEB",
      "url": "https://me.sap.com/notes/3697567"
    },
    {
      "type": "WEB",
      "url": "https://url.sap/sapsecuritypatchday"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-23687 (GCVE-0-2026-23687)

Vulnerability from cvelistv5 – Published: 2026-02-10 03:02 – Updated: 2026-02-26 15:04

Title

XML Signature Wrapping in SAP NetWeaver AS ABAP and ABAP Platform

Summary

Severity

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-347 - Improper Verification of Cryptographic Signature

Assigner

sap

References

2 references

URL	Tags
https://me.sap.com/notes/3697567
https://url.sap/sapsecuritypatchday

Impacted products

1 product

Vendor	Product	Version
SAP_SE	SAP NetWeaver AS ABAP and ABAP Platform	Affected: SAP_BASIS 700 Affected: SAP_BASIS 701 Affected: SAP_BASIS 702 Affected: SAP_BASIS 731 Affected: SAP_BASIS 740 Affected: SAP_BASIS 750 Affected: SAP_BASIS 751 Affected: SAP_BASIS 752 Affected: SAP_BASIS 753 Affected: SAP_BASIS 754 Affected: SAP_BASIS 755 Affected: SAP_BASIS 756 Affected: SAP_BASIS 757 Affected: SAP_BASIS 758 Affected: SAP_BASIS 804 Affected: SAP_BASIS 816 Affected: SAP_BASIS 916 Affected: SAP_BASIS 917 Affected: SAP_BASIS 918

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-23687",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-02-11T04:56:16.147572Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-02-26T15:04:13.585Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "SAP NetWeaver AS ABAP and ABAP Platform",
          "vendor": "SAP_SE",
          "versions": [
            {
              "status": "affected",
              "version": "SAP_BASIS 700"
            },
            {
              "status": "affected",
              "version": "SAP_BASIS 701"
            },
            {
              "status": "affected",
              "version": "SAP_BASIS 702"
            },
            {
              "status": "affected",
              "version": "SAP_BASIS 731"
            },
            {
              "status": "affected",
              "version": "SAP_BASIS 740"
            },
            {
              "status": "affected",
              "version": "SAP_BASIS 750"
            },
            {
              "status": "affected",
              "version": "SAP_BASIS 751"
            },
            {
              "status": "affected",
              "version": "SAP_BASIS 752"
            },
            {
              "status": "affected",
              "version": "SAP_BASIS 753"
            },
            {
              "status": "affected",
              "version": "SAP_BASIS 754"
            },
            {
              "status": "affected",
              "version": "SAP_BASIS 755"
            },
            {
              "status": "affected",
              "version": "SAP_BASIS 756"
            },
            {
              "status": "affected",
              "version": "SAP_BASIS 757"
            },
            {
              "status": "affected",
              "version": "SAP_BASIS 758"
            },
            {
              "status": "affected",
              "version": "SAP_BASIS 804"
            },
            {
              "status": "affected",
              "version": "SAP_BASIS 816"
            },
            {
              "status": "affected",
              "version": "SAP_BASIS 916"
            },
            {
              "status": "affected",
              "version": "SAP_BASIS 917"
            },
            {
              "status": "affected",
              "version": "SAP_BASIS 918"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eSAP NetWeaver Application Server ABAP and ABAP Platform allows an authenticated attacker with normal privileges 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.\u003c/p\u003e"
            }
          ],
          "value": "SAP NetWeaver Application Server ABAP and ABAP Platform allows an authenticated attacker with normal privileges 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."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-347",
              "description": "CWE-347: Improper Verification of Cryptographic Signature",
              "lang": "eng",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-10T03:02:47.674Z",
        "orgId": "e4686d1a-f260-4930-ac4c-2f5c992778dd",
        "shortName": "sap"
      },
      "references": [
        {
          "url": "https://me.sap.com/notes/3697567"
        },
        {
          "url": "https://url.sap/sapsecuritypatchday"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "XML Signature Wrapping in SAP NetWeaver AS ABAP and ABAP Platform",
      "x_generator": {
        "engine": "Vulnogram 0.5.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "e4686d1a-f260-4930-ac4c-2f5c992778dd",
    "assignerShortName": "sap",
    "cveId": "CVE-2026-23687",
    "datePublished": "2026-02-10T03:02:47.674Z",
    "dateReserved": "2026-01-14T18:26:17.297Z",
    "dateUpdated": "2026-02-26T15:04:13.585Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-464M-H7W2-29W7

CVE-2026-23687 (GCVE-0-2026-23687)

Tags

Sightings

Nomenclature