FKIE_CVE-2026-23537

Vulnerability from fkie_nvd - Published: 2026-07-01 15:17 - Updated: 2026-07-01 18:31
Severity
9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Summary
A vulnerability has been identified in the Feast Feature Server’s `/save-document` endpoint that allows an unauthenticated remote attacker to write arbitrary JSON files to the server's filesystem. Although the system attempts to restrict file locations, these protections can be bypassed, enabling an attacker to overwrite vital application configurations or startup scripts. Because this flaw requires no credentials or special privileges, any attacker with network access to the server can potentially compromise the integrity of the system. This could lead to unauthorized system modifications, denial of service through disk exhaustion, or potential remote code execution.
References
secalert@redhat.comhttps://access.redhat.com/security/cve/CVE-2026-23537
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2429304
secalert@redhat.comhttps://github.com/red-hat-data-services/feast/pull/192
Impacted products
Vendor Product Version
To clipboard 

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  "cveTags": [],
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      "value": "A vulnerability has been identified in the Feast Feature Server\u2019s `/save-document` endpoint that allows an unauthenticated remote attacker to write arbitrary JSON files to the server\u0027s filesystem. Although the system attempts to restrict file locations, these protections can be bypassed, enabling an attacker to overwrite vital application configurations or startup scripts. Because this flaw requires no credentials or special privileges, any attacker with network access to the server can potentially compromise the integrity of the system. This could lead to unauthorized system modifications, denial of service through disk exhaustion, or potential remote code execution."
    }
  ],
  "id": "CVE-2026-23537",
  "lastModified": "2026-07-01T18:31:17.080",
  "metrics": {
    "cvssMetricV31": [
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        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.1,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H",
          "version": "3.1"
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            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-07-01T15:57:12.853230Z",
          "version": "2.0.3"
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      "url": "https://access.redhat.com/security/cve/CVE-2026-23537"
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  "vulnStatus": "Awaiting Analysis",
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          "lang": "en",
          "value": "CWE-862"
        }
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  ]
}


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