PYSEC-2026-918

Vulnerability from pysec - Published: 2026-07-06 08:03 - Updated: 2026-07-07 11:31
VLAI
Details

Impact

Access to lateral directories when using app.static if using encoded %2F URLs. Parent directory traversal is not impacted.

Patches

  • v20.12.7 (LTS)
  • v21.12.2 (LTS)
  • v22.6.1

References

https://github.com/sanic-org/sanic/issues/2478 https://github.com/sanic-org/sanic/pull/2495

For more information

If you have any questions or comments about this advisory: * Open an issue in the community forums * Ping us on the Discord server

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

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "sanic",
        "purl": "pkg:pypi/sanic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "20.12.7"
            },
            {
              "introduced": "22.0.0"
            },
            {
              "fixed": "22.6.1"
            },
            {
              "introduced": "21.0.0"
            },
            {
              "fixed": "21.12.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.1.0",
        "0.1.1",
        "0.1.3",
        "0.1.4",
        "0.1.5",
        "0.1.6",
        "0.1.7",
        "0.1.8",
        "0.1.9",
        "0.2.0",
        "0.3.0",
        "0.3.1",
        "0.4.0",
        "0.4.1",
        "0.5.0",
        "0.5.1",
        "0.5.2",
        "0.5.4",
        "0.6.0",
        "0.7.0",
        "0.8.0",
        "0.8.1",
        "0.8.2",
        "0.8.3",
        "18.12.0",
        "19.12.0",
        "19.12.2",
        "19.12.3",
        "19.12.4",
        "19.12.5",
        "19.3.1",
        "19.6.0",
        "19.6.2",
        "19.6.3",
        "19.9.0",
        "20.12.0",
        "20.12.1",
        "20.12.2",
        "20.12.3",
        "20.12.4",
        "20.12.5",
        "20.12.6",
        "20.3.0",
        "20.6.0",
        "20.6.1",
        "20.6.2",
        "20.6.3",
        "20.9.0",
        "20.9.1",
        "21.12.0",
        "21.12.1",
        "21.3.0",
        "21.3.1",
        "21.3.2",
        "21.3.4",
        "21.6.0",
        "21.6.1",
        "21.6.2",
        "21.9.0",
        "21.9.1",
        "21.9.2",
        "21.9.3",
        "22.3.0",
        "22.3.1",
        "22.3.2",
        "22.6.0"
      ]
    }
  ],
  "aliases": [
    "CVE-2022-35920",
    "GHSA-8cw9-5hmv-77w6"
  ],
  "details": "### Impact\nAccess to lateral directories when using `app.static` if using encoded `%2F` URLs. Parent directory traversal is not impacted.\n\n### Patches\n- v20.12.7 (LTS)\n- v21.12.2 (LTS)\n- v22.6.1\n\n### References\nhttps://github.com/sanic-org/sanic/issues/2478\nhttps://github.com/sanic-org/sanic/pull/2495\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [the community forums](https://community.sanicframework.org/)\n* Ping us on [the Discord server](https://discord.gg/FARQzAEMAA)\n\n",
  "id": "PYSEC-2026-918",
  "modified": "2026-07-07T11:31:06.885945Z",
  "published": "2026-07-06T08:03:31.763289Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/sanic-org/sanic/security/advisories/GHSA-8cw9-5hmv-77w6"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-35920"
    },
    {
      "type": "WEB",
      "url": "https://github.com/sanic-org/sanic/issues/2478"
    },
    {
      "type": "WEB",
      "url": "https://github.com/sanic-org/sanic/pull/2495"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/sanic-org/sanic"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/sanic"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-8cw9-5hmv-77w6"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "sanic vulnerable to Path Traversal when using `app.static` if using encoded `%2F` URLs"
}



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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.


Detection rules are retrieved from Rulezet.