PYSEC-2026-2035

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

The Weave server API allows remote users to fetch files from a specific directory, but due to a lack of input validation, it is possible to traverse and leak arbitrary files remotely. In various common scenarios, this allows a low-privileged user to assume the role of the server admin.

Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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
Impacted products
Name purl
weave pkg:pypi/weave
Aliases
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "weave",
        "purl": "pkg:pypi/weave"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.50.8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.20.0",
        "0.20.0.dev1",
        "0.20.0.dev2",
        "0.21.0",
        "0.22.0",
        "0.23.0",
        "0.24.0",
        "0.24.1",
        "0.25.0",
        "0.26.0",
        "0.27.0",
        "0.28.0",
        "0.29.0",
        "0.30.0",
        "0.31.0",
        "0.32.0",
        "0.33.0",
        "0.34.0",
        "0.35.0",
        "0.36.0",
        "0.37.0",
        "0.38.0",
        "0.39.0",
        "0.40.0",
        "0.41.0",
        "0.42.0",
        "0.43.0",
        "0.44.0",
        "0.45.0",
        "0.46.0",
        "0.47.0",
        "0.48.0",
        "0.49.0",
        "0.50.0",
        "0.50.1",
        "0.50.2",
        "0.50.3",
        "0.50.4",
        "0.50.5",
        "0.50.6",
        "0.50.7"
      ]
    }
  ],
  "aliases": [
    "CVE-2024-7340",
    "GHSA-r49h-6qxq-624f"
  ],
  "details": "The Weave server API allows remote users to fetch files from a specific directory, but due to a lack of input validation, it is possible to traverse and leak arbitrary files remotely. In various common scenarios, this allows a low-privileged user to assume the role of the server admin.",
  "id": "PYSEC-2026-2035",
  "modified": "2026-07-07T17:25:49.932061Z",
  "published": "2026-07-07T14:34:38.008803Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-7340"
    },
    {
      "type": "WEB",
      "url": "https://github.com/wandb/weave/pull/1657"
    },
    {
      "type": "WEB",
      "url": "https://github.com/wandb/weave/commit/f43d5fb75e0d52933a52ecd9a0ce2f9b082e6c9f"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/wandb/weave"
    },
    {
      "type": "WEB",
      "url": "https://research.jfrog.com/vulnerabilities/wandb-weave-server-remote-arbitrary-file-leak-jfsa-2024-001039248"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/weave"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-r49h-6qxq-624f"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "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",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Weave server API vulnerable to arbitrary file leak"
}


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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.
  • 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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