Vulnerability-Lookup

PYSEC-2026-1764

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

Details

Impact

Documentation generated with pdoc --math linked to JavaScript files from polyfill.io. The polyfill.io CDN has been sold and now serves malicious code.

Users who produce documentation with math mode should update immediately. All other users are unaffected.

Patches

This issue has been fixed in pdoc 14.5.1.

References

https://github.com/mitmproxy/pdoc/pull/703 https://sansec.io/research/polyfill-supply-chain-attack

Timeline

[2024-06-25] https://sansec.io/research/polyfill-supply-chain-attack is published.
[2024-06-25 20:54 UTC] Issue reported to the pdoc project by @adhintz.
[2024-06-25 21:33 UTC] Patched version released.
[2024-06-25 21:37 UTC] Security advisory published.
[2024-06-25 23:49 UTC] CVE-2024-38526 assigned by GitHub.

Severity

7.2 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L

Impacted products

Name	purl
pdoc	pkg:pypi/pdoc

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "pdoc",
        "purl": "pkg:pypi/pdoc"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "14.5.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.0.1",
        "0.0.10",
        "0.0.11",
        "0.0.12",
        "0.0.13",
        "0.0.14",
        "0.0.15",
        "0.0.16",
        "0.0.17",
        "0.0.18",
        "0.0.19",
        "0.0.2",
        "0.0.3",
        "0.0.4",
        "0.0.5",
        "0.0.6",
        "0.0.7",
        "0.0.8",
        "0.0.9",
        "0.1.0",
        "0.1.1",
        "0.1.2",
        "0.1.3",
        "0.1.4",
        "0.1.5",
        "0.1.6",
        "0.1.7",
        "0.1.8",
        "0.2.0",
        "0.2.1",
        "0.2.2",
        "0.2.3",
        "0.2.4",
        "0.3.0",
        "0.3.1",
        "0.3.2",
        "0.4",
        "0.4.1",
        "1.0.0",
        "1.0.1",
        "1.1.0",
        "10.0.0",
        "10.0.1",
        "10.0.2",
        "10.0.3",
        "10.0.4",
        "11.0.0",
        "11.1.0",
        "11.2.0",
        "12.0.0",
        "12.0.1",
        "12.0.2",
        "12.1.0",
        "12.2.0",
        "12.2.1",
        "12.2.2",
        "12.3.0",
        "12.3.1",
        "13.0.0",
        "13.0.1",
        "13.1.0",
        "13.1.1",
        "14.0.0",
        "14.1.0",
        "14.2.0",
        "14.3.0",
        "14.4.0",
        "14.5.0",
        "2.0.0",
        "3.0.0",
        "3.0.1",
        "4.0.0",
        "5.0.0",
        "6.0.0",
        "6.1.0",
        "6.1.1",
        "6.2.0",
        "6.3.0",
        "6.3.1",
        "6.3.2",
        "6.4.0",
        "6.4.1",
        "6.4.2",
        "6.4.3",
        "6.4.4",
        "6.5.0",
        "6.6.0",
        "7.0.0",
        "7.0.1",
        "7.0.2",
        "7.0.3",
        "7.1.0",
        "7.1.1",
        "7.2.0",
        "7.3.0",
        "7.3.1",
        "7.4.0",
        "8.0.0",
        "8.0.1",
        "8.1.0",
        "8.2.0",
        "8.3.0",
        "9.0.0",
        "9.0.1"
      ]
    }
  ],
  "aliases": [
    "CVE-2024-38526",
    "GHSA-5vgj-ggm4-fg62"
  ],
  "details": "### Impact\n\nDocumentation generated with `pdoc --math` linked to JavaScript files from polyfill.io.\nThe polyfill.io CDN has been sold and now serves malicious code.\n\nUsers who produce documentation with math mode should update immediately. All other users are unaffected.\n\n### Patches\n\nThis issue has been fixed in pdoc 14.5.1.\n\n### References\n\nhttps://github.com/mitmproxy/pdoc/pull/703\nhttps://sansec.io/research/polyfill-supply-chain-attack\n\n### Timeline\n\n- **[2024-06-25]** https://sansec.io/research/polyfill-supply-chain-attack is published.\n- **[2024-06-25 20:54 UTC]** Issue reported to the pdoc project by @adhintz.\n- **[2024-06-25 21:33 UTC]** Patched version released.\n- **[2024-06-25 21:37 UTC]** Security advisory published.\n- **[2024-06-25 23:49 UTC]** CVE-2024-38526 assigned by GitHub.",
  "id": "PYSEC-2026-1764",
  "modified": "2026-07-07T17:25:00.360231Z",
  "published": "2026-07-07T14:34:35.434298Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/mitmproxy/pdoc/security/advisories/GHSA-5vgj-ggm4-fg62"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-38526"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mitmproxy/pdoc/pull/703"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mitmproxy/pdoc/commit/726b8f2e365fe8afeb3604a7c73d19b460395d58"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/mitmproxy/pdoc"
    },
    {
      "type": "WEB",
      "url": "https://sansec.io/research/polyfill-supply-chain-attack"
    },
    {
      "type": "WEB",
      "url": "https://www.vicarius.io/vsociety/posts/polyfillio-in-pdoc-cve-2024-38526"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/pdoc"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-5vgj-ggm4-fg62"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "pdoc embeds link to malicious CDN if math mode is enabled"
}

CVE-2024-38526 (GCVE-0-2024-38526)

Vulnerability from cvelistv5 – Published: 2024-06-25 23:53 – Updated: 2025-02-13 17:53

Title

pdoc embeds link to malicious CDN if math mode is enabled

Summary

pdoc provides API Documentation for Python Projects. Documentation generated with `pdoc --math` linked to JavaScript files from polyfill.io. The polyfill.io CDN has been sold and now serves malicious code. This issue has been fixed in pdoc 14.5.1.

Severity

0 (None)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L/E:H/RL:O/RC:C/MC:N/MI:N/MA:N

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-08-14 14:23 UTC

CWE

CWE-1395 - Dependency on Vulnerable Third-Party Component

Assigner

GitHub_M CNA under the mitre root

CNA scorecard C 72/100 over 7639 records in the last 180 days details

References

4 references

URL	Tags
https://github.com/mitmproxy/pdoc/security/adviso…	x_refsource_CONFIRM
https://github.com/mitmproxy/pdoc/pull/703	x_refsource_MISC
https://sansec.io/research/polyfill-supply-chain-attack	x_refsource_MISC
https://www.vicarius.io/vsociety/posts/polyfillio…

Impacted products

2 products

Vendor	Product	Version
mitmproxy	pdoc	Affected: < 14.5.1
mitmproxy	pdoc	Affected: 0 , < 14.5.1 (custom) cpe:2.3:a:mitmproxy:pdoc::::::::

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:mitmproxy:pdoc:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "pdoc",
            "vendor": "mitmproxy",
            "versions": [
              {
                "lessThan": "14.5.1",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-38526",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-08-14T14:23:46.307681Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-08-14T14:25:31.686Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T04:12:25.740Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "https://github.com/mitmproxy/pdoc/security/advisories/GHSA-5vgj-ggm4-fg62",
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/mitmproxy/pdoc/security/advisories/GHSA-5vgj-ggm4-fg62"
          },
          {
            "name": "https://github.com/mitmproxy/pdoc/pull/703",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/mitmproxy/pdoc/pull/703"
          },
          {
            "name": "https://sansec.io/research/polyfill-supply-chain-attack",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://sansec.io/research/polyfill-supply-chain-attack"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.vicarius.io/vsociety/posts/polyfillio-in-pdoc-cve-2024-38526"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "pdoc",
          "vendor": "mitmproxy",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 14.5.1"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "pdoc provides API Documentation for Python Projects. Documentation generated with `pdoc --math` linked to JavaScript files from polyfill.io. The polyfill.io CDN has been sold and now serves malicious code. This issue has been fixed in pdoc 14.5.1."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 0,
            "baseSeverity": "NONE",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L/E:H/RL:O/RC:C/MC:N/MI:N/MA:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-1395",
              "description": "CWE-1395: Dependency on Vulnerable Third-Party Component",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-07-24T16:18:22.866Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/mitmproxy/pdoc/security/advisories/GHSA-5vgj-ggm4-fg62",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/mitmproxy/pdoc/security/advisories/GHSA-5vgj-ggm4-fg62"
        },
        {
          "name": "https://github.com/mitmproxy/pdoc/pull/703",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/mitmproxy/pdoc/pull/703"
        },
        {
          "name": "https://sansec.io/research/polyfill-supply-chain-attack",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://sansec.io/research/polyfill-supply-chain-attack"
        },
        {
          "url": "https://www.vicarius.io/vsociety/posts/polyfillio-in-pdoc-cve-2024-38526"
        }
      ],
      "source": {
        "advisory": "GHSA-5vgj-ggm4-fg62",
        "discovery": "UNKNOWN"
      },
      "title": "pdoc embeds link to malicious CDN if math mode is enabled"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2024-38526",
    "datePublished": "2024-06-25T23:53:54.677Z",
    "dateReserved": "2024-06-18T16:37:02.728Z",
    "dateUpdated": "2025-02-13T17:53:15.493Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

GHSA-5VGJ-GGM4-FG62

Vulnerability from github – Published: 2024-06-25 22:23 – Updated: 2024-07-26 21:36

Summary

pdoc embeds link to malicious CDN if math mode is enabled

Details

Impact

Documentation generated with pdoc --math linked to JavaScript files from polyfill.io. The polyfill.io CDN has been sold and now serves malicious code.

Users who produce documentation with math mode should update immediately. All other users are unaffected.

Patches

This issue has been fixed in pdoc 14.5.1.

References

https://github.com/mitmproxy/pdoc/pull/703 https://sansec.io/research/polyfill-supply-chain-attack

Timeline

[2024-06-25] https://sansec.io/research/polyfill-supply-chain-attack is published.
[2024-06-25 20:54 UTC] Issue reported to the pdoc project by @adhintz.
[2024-06-25 21:33 UTC] Patched version released.
[2024-06-25 21:37 UTC] Security advisory published.
[2024-06-25 23:49 UTC] CVE-2024-38526 assigned by GitHub.

Severity

7.2 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "pdoc"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "14.5.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2024-38526"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": true,
    "github_reviewed_at": "2024-06-25T22:23:30Z",
    "nvd_published_at": "2024-06-26T00:15:10Z",
    "severity": "HIGH"
  },
  "details": "### Impact\n\nDocumentation generated with `pdoc --math` linked to JavaScript files from polyfill.io.\nThe polyfill.io CDN has been sold and now serves malicious code.\n\nUsers who produce documentation with math mode should update immediately. All other users are unaffected.\n\n### Patches\n\nThis issue has been fixed in pdoc 14.5.1.\n\n### References\n\nhttps://github.com/mitmproxy/pdoc/pull/703\nhttps://sansec.io/research/polyfill-supply-chain-attack\n\n### Timeline\n\n- **[2024-06-25]** https://sansec.io/research/polyfill-supply-chain-attack is published.\n- **[2024-06-25 20:54 UTC]** Issue reported to the pdoc project by @adhintz.\n- **[2024-06-25 21:33 UTC]** Patched version released.\n- **[2024-06-25 21:37 UTC]** Security advisory published.\n- **[2024-06-25 23:49 UTC]** CVE-2024-38526 assigned by GitHub.",
  "id": "GHSA-5vgj-ggm4-fg62",
  "modified": "2024-07-26T21:36:47Z",
  "published": "2024-06-25T22:23:30Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/mitmproxy/pdoc/security/advisories/GHSA-5vgj-ggm4-fg62"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-38526"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mitmproxy/pdoc/pull/703"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mitmproxy/pdoc/commit/726b8f2e365fe8afeb3604a7c73d19b460395d58"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/mitmproxy/pdoc"
    },
    {
      "type": "WEB",
      "url": "https://sansec.io/research/polyfill-supply-chain-attack"
    },
    {
      "type": "WEB",
      "url": "https://www.vicarius.io/vsociety/posts/polyfillio-in-pdoc-cve-2024-38526"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "pdoc embeds link to malicious CDN if math mode is enabled"
}

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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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Action not permitted

PYSEC-2026-1764

Impact

Patches

References

Timeline

CVE-2024-38526 (GCVE-0-2024-38526)

GHSA-5VGJ-GGM4-FG62

Impact

Patches

References

Timeline

Tags

Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour