CVE-2026-56814 (GCVE-0-2026-56814)

Vulnerability from cvelistv5 – Published: 2026-07-10 11:14 – Updated: 2026-09-24 21:31
VLAI
Title
Plug: multipart :length limit is not charged for part headers, enabling unbounded temp-file creation (denial of service)
Summary
Plug.Parsers.MULTIPART, the multipart request-body parser used to handle file uploads and multipart forms, does not enforce its :length budget against all consumed resources, allowing an unauthenticated remote attacker to cause denial of service. The parser charges the :length limit only for part body bytes; part header bytes are never counted, and a part with an empty body costs zero. Because every part whose Content-Disposition carries a non-empty filename creates a fresh temporary file (via Plug.Upload) and retains a Plug.Upload struct for the duration of the request, an attacker can send a single request composed of many empty-body file parts. Such a request stays well under the configured :length limit (8,000,000 bytes by default) while creating one temporary file per part, leading to inode and disk exhaustion and unbounded memory growth. Any application using Plug.Parsers with the :multipart parser is affected, and no authentication is required, only reachability of a multipart endpoint over HTTP. This vulnerability is associated with program files lib/plug/parsers/multipart.ex and program routines Plug.Parsers.MULTIPART.parse_multipart/2, Plug.Parsers.MULTIPART.parse_multipart_headers/5, Plug.Parsers.MULTIPART.parse_multipart_body/4, and Plug.Parsers.MULTIPART.parse_multipart_file/4. This issue affects plug: from 1.4.0-rc.0 before 1.16.6, from 1.17.0 before 1.17.4, from 1.18.0 before 1.18.5, from 1.19.1 before 1.19.5, and from 1.20.0 before 1.20.3.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-10 14:03 UTC
CWE
  • CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
Impacted products
Vendor Product Version CPE status
elixir-plug plug Affected: 1.4.0-rc.0 , < 1.16.6 (semver)
Affected: 1.17.0 , < 1.17.4 (semver)
Affected: 1.18.0 , < 1.18.5 (semver)
Affected: 1.19.1 , < 1.19.5 (semver)
Affected: 1.20.0 , < 1.20.3 (semver)
    cpe:2.3:a:elixir-plug:plug:*:*:*:*:*:*:*:*
Create a notification for this product.
elixir-plug plug Affected: c52b2f32c90bccd718202bafccb5f95594e30183 , < * (git)
    cpe:2.3:a:elixir-plug:plug:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-07-10 11:14
Show details on NVD website

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              "value": "\u003cp\u003e\u003ccode\u003ePlug.Parsers.MULTIPART\u003c/code\u003e, the multipart request-body parser used to handle file uploads and multipart forms, does not enforce its \u003ccode\u003e:length\u003c/code\u003e budget against all consumed resources, allowing an unauthenticated remote attacker to cause denial of service. The parser charges the \u003ccode\u003e:length\u003c/code\u003e limit only for part body bytes; part header bytes are never counted, and a part with an empty body costs zero.\u003c/p\u003e\n\u003cp\u003eBecause every part whose \u003ccode\u003eContent-Disposition\u003c/code\u003e carries a non-empty \u003ccode\u003efilename\u003c/code\u003e creates a fresh temporary file (via \u003ccode\u003ePlug.Upload\u003c/code\u003e) and retains a \u003ccode\u003ePlug.Upload\u003c/code\u003e struct for the duration of the request, an attacker can send a single request composed of many empty-body file parts. Such a request stays well under the configured \u003ccode\u003e:length\u003c/code\u003e limit (8,000,000 bytes by default) while creating one temporary file per part, leading to inode and disk exhaustion and unbounded memory growth. Any application using \u003ccode\u003ePlug.Parsers\u003c/code\u003e with the \u003ccode\u003e:multipart\u003c/code\u003e parser is affected, and no authentication is required, only reachability of a multipart endpoint over HTTP.\u003c/p\u003e\n\u003cp\u003eThis vulnerability is associated with program files \u003ccode\u003elib/plug/parsers/multipart.ex\u003c/code\u003e and program routines \u003ccode\u003ePlug.Parsers.MULTIPART.parse_multipart/2\u003c/code\u003e, \u003ccode\u003ePlug.Parsers.MULTIPART.parse_multipart_headers/5\u003c/code\u003e, \u003ccode\u003ePlug.Parsers.MULTIPART.parse_multipart_body/4\u003c/code\u003e, and \u003ccode\u003ePlug.Parsers.MULTIPART.parse_multipart_file/4\u003c/code\u003e.\u003c/p\u003e\n\u003cp\u003eThis issue affects plug: from 1.4.0-rc.0 before 1.16.6, from 1.17.0 before 1.17.4, from 1.18.0 before 1.18.5, from 1.19.1 before 1.19.5, and from 1.20.0 before 1.20.3.\u003c/p\u003e"
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              "value": "`Plug.Parsers.MULTIPART`, the multipart request-body parser used to handle file uploads and multipart forms, does not enforce its `:length` budget against all consumed resources, allowing an unauthenticated remote attacker to cause denial of service. The parser charges the `:length` limit only for part body bytes; part header bytes are never counted, and a part with an empty body costs zero.\n\nBecause every part whose `Content-Disposition` carries a non-empty `filename` creates a fresh temporary file (via `Plug.Upload`) and retains a `Plug.Upload` struct for the duration of the request, an attacker can send a single request composed of many empty-body file parts. Such a request stays well under the configured `:length` limit (8,000,000 bytes by default) while creating one temporary file per part, leading to inode and disk exhaustion and unbounded memory growth. Any application using `Plug.Parsers` with the `:multipart` parser is affected, and no authentication is required, only reachability of a multipart endpoint over HTTP.\n\nThis vulnerability is associated with program files `lib/plug/parsers/multipart.ex` and program routines `Plug.Parsers.MULTIPART.parse_multipart/2`, `Plug.Parsers.MULTIPART.parse_multipart_headers/5`, `Plug.Parsers.MULTIPART.parse_multipart_body/4`, and `Plug.Parsers.MULTIPART.parse_multipart_file/4`.\n\nThis issue affects plug: from 1.4.0-rc.0 before 1.16.6, from 1.17.0 before 1.17.4, from 1.18.0 before 1.18.5, from 1.19.1 before 1.19.5, and from 1.20.0 before 1.20.3."
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                        "at": "f7effaed811c00b5f5bf817936bfd9c5df27b7dc",
                        "status": "unaffected"
                      },
                      {
                        "at": "df97d3f17f808a9916a7700a701fb85314559d56",
                        "status": "unaffected"
                      }
                    ],
                    "lessThan": "*",
                    "status": "affected",
                    "version": "c52b2f32c90bccd718202bafccb5f95594e30183",
                    "versionType": "git"
                  }
                ]
              }
            ],
            "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "Plug.Parsers.MULTIPART, the multipart request-body parser used to handle file uploads and multipart forms, does not enforce its :length budget against all consumed resources, allowing an unauthenticated remote attacker to cause denial of service. The parser charges the :length limit only for part body bytes; part header bytes are never counted, and a part with an empty body costs zero.\n\nBecause every part whose Content-Disposition carries a non-empty filename creates a fresh temporary file (via Plug.Upload) and retains a Plug.Upload struct for the duration of the request, an attacker can send a single request composed of many empty-body file parts. Such a request stays well under the configured :length limit (8,000,000 bytes by default) while creating one temporary file per part, leading to inode and disk exhaustion and unbounded memory growth. Any application using Plug.Parsers with the :multipart parser is affected, and no authentication is required, only reachability of a multipart endpoint over HTTP.\n\nThis vulnerability is associated with program files lib/plug/parsers/multipart.ex and program routines Plug.Parsers.MULTIPART.parse_multipart/2, Plug.Parsers.MULTIPART.parse_multipart_headers/5, Plug.Parsers.MULTIPART.parse_multipart_body/4, and Plug.Parsers.MULTIPART.parse_multipart_file/4.\n\nThis issue affects plug: from 1.4.0-rc.0 before 1.16.6, from 1.17.0 before 1.17.4, from 1.18.0 before 1.18.5, from 1.19.1 before 1.19.5, and from 1.20.0 before 1.20.3."
          }
        ],
        "id": "CVE-2026-56814",
        "lastModified": "2026-09-24T22:17:01.200",
        "metrics": {
          "cvssMetricV40": [
            {
              "cvssData": {
                "Automatable": "NOT_DEFINED",
                "Recovery": "NOT_DEFINED",
                "Safety": "NOT_DEFINED",
                "attackComplexity": "LOW",
                "attackRequirements": "NONE",
                "attackVector": "NETWORK",
                "availabilityRequirement": "NOT_DEFINED",
                "baseScore": 6.9,
                "baseSeverity": "MEDIUM",
                "confidentialityRequirement": "NOT_DEFINED",
                "exploitMaturity": "NOT_DEFINED",
                "integrityRequirement": "NOT_DEFINED",
                "modifiedAttackComplexity": "NOT_DEFINED",
                "modifiedAttackRequirements": "NOT_DEFINED",
                "modifiedAttackVector": "NOT_DEFINED",
                "modifiedPrivilegesRequired": "NOT_DEFINED",
                "modifiedSubAvailabilityImpact": "NOT_DEFINED",
                "modifiedSubConfidentialityImpact": "NOT_DEFINED",
                "modifiedSubIntegrityImpact": "NOT_DEFINED",
                "modifiedUserInteraction": "NOT_DEFINED",
                "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
                "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
                "modifiedVulnIntegrityImpact": "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:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
                "version": "4.0",
                "vulnAvailabilityImpact": "LOW",
                "vulnConfidentialityImpact": "NONE",
                "vulnIntegrityImpact": "NONE",
                "vulnerabilityResponseEffort": "NOT_DEFINED"
              },
              "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
              "type": "Secondary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
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                "options": [
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                  {
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                  },
                  {
                    "technicalImpact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-10T14:03:11.744626Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2026-07-10T12:17:24.837",
        "references": [
          {
            "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
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          },
          {
            "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
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          },
          {
            "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
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          },
          {
            "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
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          },
          {
            "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
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          },
          {
            "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
            "url": "https://github.com/elixir-plug/plug/commit/cae36053350e5215a4e0ca33cd130af9c5fc6364"
          },
          {
            "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
            "url": "https://github.com/elixir-plug/plug/commit/df97d3f17f808a9916a7700a701fb85314559d56"
          },
          {
            "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
            "url": "https://github.com/elixir-plug/plug/commit/f7effaed811c00b5f5bf817936bfd9c5df27b7dc"
          },
          {
            "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
            "url": "https://github.com/elixir-plug/plug/security/advisories/GHSA-95qv-c9g9-rm63"
          },
          {
            "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
            "url": "https://osv.dev/vulnerability/EEF-CVE-2026-56814"
          }
        ],
        "sourceIdentifier": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "vulnStatus": "Deferred",
        "weaknesses": [
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            "description": [
              {
                "lang": "en",
                "value": "CWE-770"
              }
            ],
            "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
            "type": "Secondary"
          }
        ]
      }
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2026-56814",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "yes"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-07-10T14:03:11.744626Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-07-10T14:03:24.796Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "collectionURL": "https://repo.hex.pm",
              "cpes": [
                "cpe:2.3:a:elixir-plug:plug:*:*:*:*:*:*:*:*"
              ],
              "defaultStatus": "unaffected",
              "modules": [
                "\u0027Elixir.Plug.Parsers.MULTIPART\u0027"
              ],
              "packageName": "plug",
              "packageURL": "pkg:hex/plug",
              "product": "plug",
              "programFiles": [
                "lib/plug/parsers/multipart.ex"
              ],
              "programRoutines": [
                {
                  "name": "\u0027Elixir.Plug.Parsers.MULTIPART\u0027:parse_multipart/2"
                },
                {
                  "name": "\u0027Elixir.Plug.Parsers.MULTIPART\u0027:parse_multipart_headers/5"
                },
                {
                  "name": "\u0027Elixir.Plug.Parsers.MULTIPART\u0027:parse_multipart_body/4"
                },
                {
                  "name": "\u0027Elixir.Plug.Parsers.MULTIPART\u0027:parse_multipart_file/4"
                }
              ],
              "repo": "https://github.com/elixir-plug/plug",
              "vendor": "elixir-plug",
              "versions": [
                {
                  "lessThan": "1.16.6",
                  "status": "affected",
                  "version": "1.4.0",
                  "versionType": "semver"
                },
                {
                  "lessThan": "1.17.4",
                  "status": "affected",
                  "version": "1.17.0",
                  "versionType": "semver"
                },
                {
                  "lessThan": "1.18.5",
                  "status": "affected",
                  "version": "1.18.0",
                  "versionType": "semver"
                },
                {
                  "lessThan": "1.19.5",
                  "status": "affected",
                  "version": "1.19.0",
                  "versionType": "semver"
                },
                {
                  "lessThan": "1.20.3",
                  "status": "affected",
                  "version": "1.20.0",
                  "versionType": "semver"
                }
              ]
            },
            {
              "collectionURL": "https://github.com",
              "cpes": [
                "cpe:2.3:a:elixir-plug:plug:*:*:*:*:*:*:*:*"
              ],
              "defaultStatus": "unaffected",
              "modules": [
                "\u0027Elixir.Plug.Parsers.MULTIPART\u0027"
              ],
              "packageName": "elixir-plug/plug",
              "packageURL": "pkg:github/elixir-plug/plug",
              "product": "plug",
              "programFiles": [
                "lib/plug/parsers/multipart.ex"
              ],
              "programRoutines": [
                {
                  "name": "\u0027Elixir.Plug.Parsers.MULTIPART\u0027:parse_multipart/2"
                },
                {
                  "name": "\u0027Elixir.Plug.Parsers.MULTIPART\u0027:parse_multipart_headers/5"
                },
                {
                  "name": "\u0027Elixir.Plug.Parsers.MULTIPART\u0027:parse_multipart_body/4"
                },
                {
                  "name": "\u0027Elixir.Plug.Parsers.MULTIPART\u0027:parse_multipart_file/4"
                }
              ],
              "repo": "https://github.com/elixir-plug/plug",
              "vendor": "elixir-plug",
              "versions": [
                {
                  "changes": [
                    {
                      "at": "981597d3a4271ede64373c7a731702a42c500dd6",
                      "status": "unaffected"
                    },
                    {
                      "at": "56edca2ce35fe5589cd581644d8a4493fa5f484e",
                      "status": "unaffected"
                    },
                    {
                      "at": "0ee8afcc61466dc5f7a8f048d0632c899165b81f",
                      "status": "unaffected"
                    },
                    {
                      "at": "cae36053350e5215a4e0ca33cd130af9c5fc6364",
                      "status": "unaffected"
                    },
                    {
                      "at": "f7effaed811c00b5f5bf817936bfd9c5df27b7dc",
                      "status": "unaffected"
                    },
                    {
                      "at": "df97d3f17f808a9916a7700a701fb85314559d56",
                      "status": "unaffected"
                    }
                  ],
                  "lessThan": "*",
                  "status": "affected",
                  "version": "c52b2f32c90bccd718202bafccb5f95594e30183",
                  "versionType": "git"
                }
              ]
            }
          ],
          "cpeApplicability": [
            {
              "nodes": [
                {
                  "cpeMatch": [
                    {
                      "criteria": "cpe:2.3:a:elixir-plug:plug:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "1.16.6",
                      "versionStartIncluding": "1.4.0",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:a:elixir-plug:plug:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "1.17.4",
                      "versionStartIncluding": "1.17.0",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:a:elixir-plug:plug:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "1.18.5",
                      "versionStartIncluding": "1.18.0",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:a:elixir-plug:plug:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "1.19.5",
                      "versionStartIncluding": "1.19.0",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:a:elixir-plug:plug:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "1.20.3",
                      "versionStartIncluding": "1.20.0",
                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
              ],
              "operator": "AND"
            }
          ],
          "credits": [
            {
              "lang": "en",
              "type": "finder",
              "value": "Peter Ullrich"
            },
            {
              "lang": "en",
              "type": "analyst",
              "value": "Jonatan M\u00e4nnchen"
            },
            {
              "lang": "en",
              "type": "remediation developer",
              "value": "Jos\u00e9 Valim"
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "supportingMedia": [
                {
                  "base64": false,
                  "type": "text/html",
                  "value": "\u003cp\u003e\u003ctt\u003ePlug.Parsers.MULTIPART\u003c/tt\u003e, the multipart request-body parser used to handle file uploads and multipart forms, does not enforce its \u003ctt\u003e:length\u003c/tt\u003e budget against all consumed resources, allowing an unauthenticated remote attacker to cause denial of service. The parser charges the \u003ctt\u003e:length\u003c/tt\u003e limit only for part body bytes; part header bytes are never counted, and a part with an empty body costs zero.\u003c/p\u003e\u003cp\u003eBecause every part whose \u003ctt\u003eContent-Disposition\u003c/tt\u003e carries a non-empty \u003ctt\u003efilename\u003c/tt\u003e creates a fresh temporary file (via \u003ctt\u003ePlug.Upload\u003c/tt\u003e) and retains a \u003ctt\u003ePlug.Upload\u003c/tt\u003e struct for the duration of the request, an attacker can send a single request composed of many empty-body file parts. Such a request stays well under the configured \u003ctt\u003e:length\u003c/tt\u003e limit (8,000,000 bytes by default) while creating one temporary file per part, leading to inode and disk exhaustion and unbounded memory growth. Any application using \u003ctt\u003ePlug.Parsers\u003c/tt\u003e with the \u003ctt\u003e:multipart\u003c/tt\u003e parser is affected, and no authentication is required, only reachability of a multipart endpoint over HTTP.\u003c/p\u003e\u003cp\u003eThis vulnerability is associated with program files \u003ctt\u003elib/plug/parsers/multipart.ex\u003c/tt\u003e and program routines \u003ctt\u003ePlug.Parsers.MULTIPART.parse_multipart/2\u003c/tt\u003e, \u003ctt\u003ePlug.Parsers.MULTIPART.parse_multipart_headers/5\u003c/tt\u003e, \u003ctt\u003ePlug.Parsers.MULTIPART.parse_multipart_body/4\u003c/tt\u003e, and \u003ctt\u003ePlug.Parsers.MULTIPART.parse_multipart_file/4\u003c/tt\u003e.\u003c/p\u003e\u003cp\u003eThis issue affects plug: from 1.4.0 before 1.16.6, from 1.17.0 before 1.17.4, from 1.18.0 before 1.18.5, from 1.19.0 before 1.19.5, and from 1.20.0 before 1.20.3.\u003c/p\u003e"
                }
              ],
              "value": "Plug.Parsers.MULTIPART, the multipart request-body parser used to handle file uploads and multipart forms, does not enforce its :length budget against all consumed resources, allowing an unauthenticated remote attacker to cause denial of service. The parser charges the :length limit only for part body bytes; part header bytes are never counted, and a part with an empty body costs zero.\n\nBecause every part whose Content-Disposition carries a non-empty filename creates a fresh temporary file (via Plug.Upload) and retains a Plug.Upload struct for the duration of the request, an attacker can send a single request composed of many empty-body file parts. Such a request stays well under the configured :length limit (8,000,000 bytes by default) while creating one temporary file per part, leading to inode and disk exhaustion and unbounded memory growth. Any application using Plug.Parsers with the :multipart parser is affected, and no authentication is required, only reachability of a multipart endpoint over HTTP.\n\nThis vulnerability is associated with program files lib/plug/parsers/multipart.ex and program routines Plug.Parsers.MULTIPART.parse_multipart/2, Plug.Parsers.MULTIPART.parse_multipart_headers/5, Plug.Parsers.MULTIPART.parse_multipart_body/4, and Plug.Parsers.MULTIPART.parse_multipart_file/4.\n\nThis issue affects plug: from 1.4.0 before 1.16.6, from 1.17.0 before 1.17.4, from 1.18.0 before 1.18.5, from 1.19.0 before 1.19.5, and from 1.20.0 before 1.20.3."
            }
          ],
          "impacts": [
            {
              "capecId": "CAPEC-130",
              "descriptions": [
                {
                  "lang": "en",
                  "value": "CAPEC-130 Excessive Allocation"
                }
              ]
            }
          ],
          "metrics": [
            {
              "cvssV4_0": {
                "attackComplexity": "LOW",
                "attackRequirements": "NONE",
                "attackVector": "NETWORK",
                "baseScore": 6.9,
                "baseSeverity": "MEDIUM",
                "privilegesRequired": "NONE",
                "subAvailabilityImpact": "NONE",
                "subConfidentialityImpact": "NONE",
                "subIntegrityImpact": "NONE",
                "userInteraction": "NONE",
                "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
                "version": "4.0",
                "vulnAvailabilityImpact": "LOW",
                "vulnConfidentialityImpact": "NONE",
                "vulnIntegrityImpact": "NONE"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-770",
                  "description": "CWE-770 Allocation of Resources Without Limits or Throttling",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-07-10T11:14:35.574Z",
            "orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
            "shortName": "EEF"
          },
          "references": [
            {
              "tags": [
                "vendor-advisory",
                "related"
              ],
              "url": "https://github.com/elixir-plug/plug/security/advisories/GHSA-95qv-c9g9-rm63"
            },
            {
              "tags": [
                "related"
              ],
              "url": "https://cna.erlef.org/cves/CVE-2026-56814.html"
            },
            {
              "tags": [
                "related"
              ],
              "url": "https://osv.dev/vulnerability/EEF-CVE-2026-56814"
            },
            {
              "tags": [
                "patch"
              ],
              "url": "https://github.com/elixir-plug/plug/commit/981597d3a4271ede64373c7a731702a42c500dd6"
            },
            {
              "tags": [
                "patch"
              ],
              "url": "https://github.com/elixir-plug/plug/commit/56edca2ce35fe5589cd581644d8a4493fa5f484e"
            },
            {
              "tags": [
                "patch"
              ],
              "url": "https://github.com/elixir-plug/plug/commit/0ee8afcc61466dc5f7a8f048d0632c899165b81f"
            },
            {
              "tags": [
                "patch"
              ],
              "url": "https://github.com/elixir-plug/plug/commit/cae36053350e5215a4e0ca33cd130af9c5fc6364"
            },
            {
              "tags": [
                "patch"
              ],
              "url": "https://github.com/elixir-plug/plug/commit/f7effaed811c00b5f5bf817936bfd9c5df27b7dc"
            },
            {
              "tags": [
                "patch"
              ],
              "url": "https://github.com/elixir-plug/plug/commit/df97d3f17f808a9916a7700a701fb85314559d56"
            }
          ],
          "source": {
            "discovery": "EXTERNAL"
          },
          "title": "Plug: multipart :length limit is not charged for part headers, enabling unbounded temp-file creation (denial of service)",
          "x_generator": {
            "engine": "cvelib 1.8.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "assignerShortName": "EEF",
        "cveId": "CVE-2026-56814",
        "datePublished": "2026-07-10T11:14:35.574Z",
        "dateReserved": "2026-06-23T12:29:02.507Z",
        "dateUpdated": "2026-07-10T14:03:28.156Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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