PYSEC-2026-1501

Vulnerability from pysec - Published: 2026-07-07 14:34 - Updated: 2026-07-07 17:24
VLAI
Details

A vulnerability in Koji was found. An unsanitized input allows for an XSS attack. Javascript code from a malicious link could be reflected in the resulting web page. It is not expected to be able to submit an action or make a change in Koji due to existing XSS protections in the code.

Severity
5.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Impacted products
Name purl
koji pkg:pypi/koji
Aliases
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "koji",
        "purl": "pkg:pypi/koji"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.33.2"
            },
            {
              "introduced": "1.34.0"
            },
            {
              "fixed": "1.34.3"
            },
            {
              "introduced": "1.35.0"
            },
            {
              "fixed": "1.35.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.15.0",
        "1.16.0",
        "1.16.1",
        "1.17.0",
        "1.18.0",
        "1.19.0",
        "1.19.1",
        "1.20.0",
        "1.20.1",
        "1.21.0",
        "1.21.1",
        "1.22.0",
        "1.22.1",
        "1.23.0",
        "1.23.1",
        "1.24.0",
        "1.24.1",
        "1.25.0",
        "1.25.1",
        "1.26.0",
        "1.26.1",
        "1.27.0",
        "1.27.1",
        "1.28.0",
        "1.28.1",
        "1.29.0",
        "1.29.1",
        "1.30.0",
        "1.30.1",
        "1.31.0",
        "1.31.1",
        "1.32.0",
        "1.32.1",
        "1.33.0",
        "1.33.1",
        "1.34.0",
        "1.34.1",
        "1.34.2",
        "1.35.0"
      ]
    }
  ],
  "aliases": [
    "CVE-2024-9427",
    "GHSA-g2vg-8hfg-79vj"
  ],
  "details": "A vulnerability in Koji was found. An unsanitized input allows for an XSS attack. Javascript code from a malicious link could be reflected in the resulting web page. It is not expected to be able to submit an action or make a change in Koji due to existing XSS protections in the code.",
  "id": "PYSEC-2026-1501",
  "modified": "2026-07-07T17:24:26.547772Z",
  "published": "2026-07-07T14:34:47.795518Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-9427"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2024-9427"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2316047"
    },
    {
      "type": "WEB",
      "url": "https://docs.pagure.org/koji/CVEs/CVE-2024-9427"
    },
    {
      "type": "PACKAGE",
      "url": "https://pagure.io/koji"
    },
    {
      "type": "WEB",
      "url": "https://pagure.io/koji/c/8c72d90d7bb991f8fb193851b80847ac9e9474a4?branch=master"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/koji"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-g2vg-8hfg-79vj"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Koji Cross-site Scripting"
}



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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.