PYSEC-2026-1861

Vulnerability from pysec - Published: 2026-07-07 14:34 - Updated: 2026-07-07 17:25
VLAI
Details

A Denial of Service (DoS) vulnerability in the file upload feature of stangirard/quivr v0.0.298 allows unauthenticated attackers to cause excessive resource consumption by appending characters to the end of a multipart boundary in an HTTP request. This leads to the server continuously processing each character, rendering the service unavailable and impacting all users.

Impacted products
Name purl
quivr-core pkg:pypi/quivr-core

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "quivr-core",
        "purl": "pkg:pypi/quivr-core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "0.0.14"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.0.10",
        "0.0.11",
        "0.0.12",
        "0.0.13",
        "0.0.14",
        "0.0.2",
        "0.0.3",
        "0.0.4",
        "0.0.5",
        "0.0.6",
        "0.0.7",
        "0.0.8",
        "0.0.9"
      ]
    }
  ],
  "aliases": [
    "CVE-2024-9229",
    "GHSA-m76r-xqqj-mqmv"
  ],
  "details": "A Denial of Service (DoS) vulnerability in the file upload feature of stangirard/quivr v0.0.298 allows unauthenticated attackers to cause excessive resource consumption by appending characters to the end of a multipart boundary in an HTTP request. This leads to the server continuously processing each character, rendering the service unavailable and impacting all users.",
  "id": "PYSEC-2026-1861",
  "modified": "2026-07-07T17:25:15.703183Z",
  "published": "2026-07-07T14:34:57.804467Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-9229"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/QuivrHQ/quivr"
    },
    {
      "type": "WEB",
      "url": "https://github.com/QuivrHQ/quivr/blob/6b07a63e4e969d003710d6f6c6b9df36fd6ea803/backend/api/quivr_api/modules/upload/service/upload_file.py#L68-L101"
    },
    {
      "type": "WEB",
      "url": "https://huntr.com/bounties/946a412d-422f-4623-bb1d-d2646ad23dfd"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/quivr-core"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-m76r-xqqj-mqmv"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Quivr unauthenticated Denial of Service (DoS) via Multipart Boundary"
}



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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

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • 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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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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