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    10 vulnerabilities by perspective-dev

    CVE-2026-67200 (GCVE-0-2026-67200)

    Vulnerability from nvd – Published: 2026-08-04 14:04 – Updated: 2026-08-04 14:04 X_Open Source
    VLAI
    Title
    Perspective 5.0.0 Path Traversal via cwd_static_file_handler
    Summary
    Perspective 5.0.0 contains a path traversal vulnerability that allows unauthenticated remote attackers to read arbitrary files from the server filesystem by including literal ../ segments in HTTP request URL paths. Attackers can bypass the insufficient query-string-stripping sanitization to traverse outside the configured asset root directory and retrieve sensitive files such as system credentials and application secrets, with results exposed cross-origin due to a wildcard Access-Control-Allow-Origin header set on all responses.
    Severity
    8.7 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
    7.5 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    CWE
    • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
    Assigner
    References
    Impacted products
    Vendor Product Version
    perspective-dev perspective Affected: 0 , ≤ 5.0.0 (semver)
    		Create a notification for this product.
    Date Public
    2026-08-03 00:00
    Credits
    Christ Bowel Bouchuen
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "affected",
          "packageURL": "pkg:github/perspective-dev/perspective",
          "product": "perspective",
          "repo": "https://github.com/perspective-dev/perspective",
          "vendor": "perspective-dev",
          "versions": [
            {
              "lessThanOrEqual": "5.0.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Christ Bowel Bouchuen"
        }
      ],
      "datePublic": "2026-08-03T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Perspective 5.0.0 contains a path traversal vulnerability that allows unauthenticated remote attackers to read arbitrary files from the server filesystem by including literal ../ segments in HTTP request URL paths. Attackers can bypass the insufficient query-string-stripping sanitization to traverse outside the configured asset root directory and retrieve sensitive files such as system credentials and application secrets, with results exposed cross-origin due to a wildcard Access-Control-Allow-Origin header set on all responses."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-22",
              "description": "Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-04T14:04:39.640Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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      },
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        {
          "name": "Researcher Disclosure",
          "tags": [
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            "exploit"
          ],
          "url": "https://christbowel.com/blog/perspective-5-0-0-five-cves/"
        },
        {
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/perspective-path-traversal-via-cwd-static-file-handler"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "tags": [
        "x_open-source"
      ],
      "title": "Perspective 5.0.0 Path Traversal via cwd_static_file_handler",
      "x_generator": {
        "engine": "vulncheck"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-67200",
    "datePublished": "2026-08-04T14:04:39.640Z",
    "dateReserved": "2026-07-28T16:06:49.774Z",
    "dateUpdated": "2026-08-04T14:04:39.640Z",
    "state": "PUBLISHED"
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}

    CVE-2026-67199 (GCVE-0-2026-67199)

    Vulnerability from nvd – Published: 2026-08-04 14:04 – Updated: 2026-08-04 14:04 X_Open Source
    VLAI
    Title
    Perspective 5.0.0 DoS via Loop Expression Evaluation
    Summary
    Perspective 5.0.0 contains a denial of service vulnerability that allows remote attackers to block the server event loop indefinitely by submitting a crafted expression containing unbounded for or while loop constructs in a TableMakeViewReq message. Attackers can embed an arbitrarily large iteration count in an expression column evaluated once per table row, causing the Tornado IOLoop to block without any iteration cap, deadline, or cancellation check, rendering the server unresponsive to all connected clients.
    Severity
    7.1 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
    6.5 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    CWE
    • CWE-770 - Allocation of Resources Without Limits or Throttling
    Assigner
    References
    Impacted products
    Vendor Product Version
    perspective-dev perspective Affected: 0 , ≤ 5.0.0 (semver)
    		Create a notification for this product.
    Date Public
    2026-08-03 00:00
    Credits
    Christ Bowel Bouchuen
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "affected",
          "packageURL": "pkg:github/perspective-dev/perspective",
          "product": "perspective",
          "repo": "https://github.com/perspective-dev/perspective",
          "vendor": "perspective-dev",
          "versions": [
            {
              "lessThanOrEqual": "5.0.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Christ Bowel Bouchuen"
        }
      ],
      "datePublic": "2026-08-03T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Perspective 5.0.0 contains a denial of service vulnerability that allows remote attackers to block the server event loop indefinitely by submitting a crafted expression containing unbounded for or while loop constructs in a TableMakeViewReq message. Attackers can embed an arbitrarily large iteration count in an expression column evaluated once per table row, causing the Tornado IOLoop to block without any iteration cap, deadline, or cancellation check, rendering the server unresponsive to all connected clients."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "LOW",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
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          "descriptions": [
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              "description": "Allocation of Resources Without Limits or Throttling",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
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        },
        {
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            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/perspective-dos-via-loop-expression-evaluation"
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      ],
      "source": {
        "discovery": "UNKNOWN"
      },
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    }
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    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
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    "dateReserved": "2026-07-28T16:06:49.774Z",
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    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

    CVE-2026-67198 (GCVE-0-2026-67198)

    Vulnerability from nvd – Published: 2026-08-04 14:04 – Updated: 2026-08-04 15:46 X_Open Source
    VLAI
    Title
    Perspective 5.0.0 DoS via VirtualServer Protocol Dispatcher
    Summary
    Perspective 5.0.0 contains a denial-of-service vulnerability in the VirtualServer protocol dispatcher that allows unauthenticated remote attackers to crash the server process by sending malformed or incomplete protobuf messages. Attackers can send well-formed requests such as ViewToArrowReq with no viewport set or MakeTableReq with no data field to trigger unwrap() calls on None values at nine distinct sites, causing the process to abort with SIGABRT.
    Severity
    8.7 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
    7.5 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-616 - Incomplete Identification of Uploaded File Variables (PHP)
    Assigner
    References
    Impacted products
    Vendor Product Version
    perspective-dev perspective Affected: 0 , ≤ 5.0.0 (semver)
    		Create a notification for this product.
    Date Public
    2026-08-03 00:00
    Credits
    Christ Bowel Bouchuen
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-67198",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-04T15:36:07.571751Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-04T15:46:25.469Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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    "cna": {
      "affected": [
        {
          "defaultStatus": "affected",
          "packageURL": "pkg:github/perspective-dev/perspective",
          "product": "perspective",
          "repo": "https://github.com/perspective-dev/perspective",
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        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
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            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
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            "attackVector": "NETWORK",
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            "providerUrgency": "NOT_DEFINED",
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            "subConfidentialityImpact": "NONE",
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            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
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            "userInteraction": "NONE",
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    CVE-2026-67196 (GCVE-0-2026-67196)

    Vulnerability from nvd – Published: 2026-08-04 14:03 – Updated: 2026-08-04 14:03 X_Open Source
    VLAI
    Title
    Perspective 5.0.0 XSS via Debug Plugin innerHTML Interpolation
    Summary
    Perspective 5.0.0 contains a cross-site scripting vulnerability in the built-in Debug plugin that allows attackers to inject arbitrary HTML and JavaScript by writing table cell values containing unescaped HTML markup, which are interpolated directly into innerHTML during CSV serialization rendering. Attackers can craft table rows with payloads such as unquoted attribute injections containing event handler attributes that bypass RFC 4180 quoting, since angle brackets and event handler attributes are never escaped before assignment, causing malicious scripts to execute in the embedding page's origin.
    Severity
    5.1 (Medium)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
    5.4 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
    CWE
    • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
    Assigner
    References
    Impacted products
    Vendor Product Version
    perspective-dev perspective Affected: 0 , ≤ 5.0.0 (semver)
    		Create a notification for this product.
    Date Public
    2026-08-03 00:00
    Credits
    Christ Bowel Bouchuen
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "affected",
          "packageURL": "pkg:github/perspective-dev/perspective",
          "product": "perspective",
          "repo": "https://github.com/perspective-dev/perspective",
          "vendor": "perspective-dev",
          "versions": [
            {
              "lessThanOrEqual": "5.0.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Christ Bowel Bouchuen"
        }
      ],
      "datePublic": "2026-08-03T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Perspective 5.0.0 contains a cross-site scripting vulnerability in the built-in Debug plugin that allows attackers to inject arbitrary HTML and JavaScript by writing table cell values containing unescaped HTML markup, which are interpolated directly into innerHTML during CSV serialization rendering. Attackers can craft table rows with payloads such as unquoted attribute injections containing event handler attributes that bypass RFC 4180 quoting, since angle brackets and event handler attributes are never escaped before assignment, causing malicious scripts to execute in the embedding page\u0027s origin."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 5.1,
            "baseSeverity": "MEDIUM",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "LOW",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "LOW",
            "subIntegrityImpact": "LOW",
            "userInteraction": "PASSIVE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
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        },
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            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
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    CVE-2026-67195 (GCVE-0-2026-67195)

    Vulnerability from nvd – Published: 2026-08-04 14:03 – Updated: 2026-08-04 15:06 X_Open Source
    VLAI
    Title
    Perspective 5.0.0 RCE via eval() Expression Injection
    Summary
    Perspective 5.0.0 contains a remote code execution vulnerability that allows unauthenticated attackers to execute arbitrary operating system commands by submitting crafted expression strings to the PolarsVirtualServer backend, which passes client-supplied input directly to Python's eval() with only __builtins__={} cleared. Attackers can exploit Python object attribute traversal through the interpreter's loaded class list to reach subprocess.Popen via a TableValidateExprReq or TableMakeViewReq protobuf message, achieving arbitrary command execution in the Perspective host process.
    Severity
    8.7 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
    8.8 (High)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: poc Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-95 - Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')
    Assigner
    References
    Impacted products
    Vendor Product Version
    perspective-dev perspective Affected: 0 , ≤ 5.0.0 (semver)
    		Create a notification for this product.
    Date Public
    2026-08-03 00:00
    Credits
    Christ Bowel Bouchuen
    Show details on NVD website
    To clipboard 

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    CVE-2026-67200 (GCVE-0-2026-67200)

    Vulnerability from cvelistv5 – Published: 2026-08-04 14:04 – Updated: 2026-08-04 14:04 X_Open Source
    VLAI
    Title
    Perspective 5.0.0 Path Traversal via cwd_static_file_handler
    Summary
    Perspective 5.0.0 contains a path traversal vulnerability that allows unauthenticated remote attackers to read arbitrary files from the server filesystem by including literal ../ segments in HTTP request URL paths. Attackers can bypass the insufficient query-string-stripping sanitization to traverse outside the configured asset root directory and retrieve sensitive files such as system credentials and application secrets, with results exposed cross-origin due to a wildcard Access-Control-Allow-Origin header set on all responses.
    Severity
    8.7 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
    7.5 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    CWE
    • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
    Assigner
    References
    Impacted products
    Vendor Product Version
    perspective-dev perspective Affected: 0 , ≤ 5.0.0 (semver)
    		Create a notification for this product.
    Date Public
    2026-08-03 00:00
    Credits
    Christ Bowel Bouchuen
    Show details on NVD website
    To clipboard 

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    CVE-2026-67199 (GCVE-0-2026-67199)

    Vulnerability from cvelistv5 – Published: 2026-08-04 14:04 – Updated: 2026-08-04 14:04 X_Open Source
    VLAI
    Title
    Perspective 5.0.0 DoS via Loop Expression Evaluation
    Summary
    Perspective 5.0.0 contains a denial of service vulnerability that allows remote attackers to block the server event loop indefinitely by submitting a crafted expression containing unbounded for or while loop constructs in a TableMakeViewReq message. Attackers can embed an arbitrarily large iteration count in an expression column evaluated once per table row, causing the Tornado IOLoop to block without any iteration cap, deadline, or cancellation check, rendering the server unresponsive to all connected clients.
    Severity
    7.1 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
    6.5 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    CWE
    • CWE-770 - Allocation of Resources Without Limits or Throttling
    Assigner
    References
    Impacted products
    Vendor Product Version
    perspective-dev perspective Affected: 0 , ≤ 5.0.0 (semver)
    		Create a notification for this product.
    Date Public
    2026-08-03 00:00
    Credits
    Christ Bowel Bouchuen
    Show details on NVD website
    To clipboard 

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    CVE-2026-67198 (GCVE-0-2026-67198)

    Vulnerability from cvelistv5 – Published: 2026-08-04 14:04 – Updated: 2026-08-04 15:46 X_Open Source
    VLAI
    Title
    Perspective 5.0.0 DoS via VirtualServer Protocol Dispatcher
    Summary
    Perspective 5.0.0 contains a denial-of-service vulnerability in the VirtualServer protocol dispatcher that allows unauthenticated remote attackers to crash the server process by sending malformed or incomplete protobuf messages. Attackers can send well-formed requests such as ViewToArrowReq with no viewport set or MakeTableReq with no data field to trigger unwrap() calls on None values at nine distinct sites, causing the process to abort with SIGABRT.
    Severity
    8.7 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
    7.5 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-616 - Incomplete Identification of Uploaded File Variables (PHP)
    Assigner
    References
    Impacted products
    Vendor Product Version
    perspective-dev perspective Affected: 0 , ≤ 5.0.0 (semver)
    		Create a notification for this product.
    Date Public
    2026-08-03 00:00
    Credits
    Christ Bowel Bouchuen
    Show details on NVD website
    To clipboard 

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    CVE-2026-67196 (GCVE-0-2026-67196)

    Vulnerability from cvelistv5 – Published: 2026-08-04 14:03 – Updated: 2026-08-04 14:03 X_Open Source
    VLAI
    Title
    Perspective 5.0.0 XSS via Debug Plugin innerHTML Interpolation
    Summary
    Perspective 5.0.0 contains a cross-site scripting vulnerability in the built-in Debug plugin that allows attackers to inject arbitrary HTML and JavaScript by writing table cell values containing unescaped HTML markup, which are interpolated directly into innerHTML during CSV serialization rendering. Attackers can craft table rows with payloads such as unquoted attribute injections containing event handler attributes that bypass RFC 4180 quoting, since angle brackets and event handler attributes are never escaped before assignment, causing malicious scripts to execute in the embedding page's origin.
    Severity
    5.1 (Medium)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
    5.4 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
    CWE
    • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
    Assigner
    References
    Impacted products
    Vendor Product Version
    perspective-dev perspective Affected: 0 , ≤ 5.0.0 (semver)
    		Create a notification for this product.
    Date Public
    2026-08-03 00:00
    Credits
    Christ Bowel Bouchuen
    Show details on NVD website
    To clipboard 

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    CVE-2026-67195 (GCVE-0-2026-67195)

    Vulnerability from cvelistv5 – Published: 2026-08-04 14:03 – Updated: 2026-08-04 15:06 X_Open Source
    VLAI
    Title
    Perspective 5.0.0 RCE via eval() Expression Injection
    Summary
    Perspective 5.0.0 contains a remote code execution vulnerability that allows unauthenticated attackers to execute arbitrary operating system commands by submitting crafted expression strings to the PolarsVirtualServer backend, which passes client-supplied input directly to Python's eval() with only __builtins__={} cleared. Attackers can exploit Python object attribute traversal through the interpreter's loaded class list to reach subprocess.Popen via a TableValidateExprReq or TableMakeViewReq protobuf message, achieving arbitrary command execution in the Perspective host process.
    Severity
    8.7 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
    8.8 (High)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: poc Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-95 - Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')
    Assigner
    References
    Impacted products
    Vendor Product Version
    perspective-dev perspective Affected: 0 , ≤ 5.0.0 (semver)
    		Create a notification for this product.
    Date Public
    2026-08-03 00:00
    Credits
    Christ Bowel Bouchuen
    Show details on NVD website
    To clipboard 

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