mitmproxy — security advisory

{
  "id": "786bde184c4ae4b032b11ebe2a479c48ac03e90fd0fe895dd81dff32b99207ea",
  "url": "https://osv.dev/vulnerability/CGA-mp7p-v75r-p3pv",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CGA-mp7p-v75r-p3pv",
    "summary": "CGA-mp7p-v75r-p3pv",
    "evidence": "osv:CGA-mp7p-v75r-p3pv",
    "products": [
      {
        "name": {
          "value": "mitmproxy",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "12.2.3-r13",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "mitmproxy",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "12.2.3-r13",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "critical",
    "structured": {
      "id": "CGA-mp7p-v75r-p3pv",
      "aliases": [
        "CGA-mp7p-v75r-p3pv"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "12.2.3-r13"
                }
              ]
            }
          ],
          "package": {
            "name": "mitmproxy",
            "purl": "pkg:apk/chainguard/mitmproxy?arch=x86_64",
            "ecosystem": "Chainguard"
          },
          "database_specific": {
            "source": "https://advisories.cgr.dev/chainguard/v3/osv/CGA-mp7p-v75r-p3pv.json",
            "chainguard": {
              "applies_to_subpackages": false
            }
          },
          "ecosystem_specific": {
            "components": [
              {
                "component_name": "certifi",
                "component_purl": "pkg:pypi/certifi@2026.7.22",
                "component_type": "python",
                "component_version": "2026.7.22",
                "component_location": "/opt/chainguard/mitmproxy/lib/python3.13/site-packages/certifi-2026.7.22.dist-info/METADATA",
                "latest_event_status": "fixed",
                "latest_event_timestamp": "2026-10-21T23:08:07Z"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "12.2.3-r13"
                }
              ]
            }
          ],
          "package": {
            "name": "mitmproxy",
            "purl": "pkg:apk/wolfi/mitmproxy?arch=x86_64",
            "ecosystem": "Wolfi"
          },
          "database_specific": {
            "source": "https://advisories.cgr.dev/chainguard/v3/osv/CGA-mp7p-v75r-p3pv.json",
            "chainguard": {
              "applies_to_subpackages": false
            }
          },
          "ecosystem_specific": {
            "components": [
              {
                "component_name": "certifi",
                "component_purl": "pkg:pypi/certifi@2026.7.22",
                "component_type": "python",
                "component_version": "2026.7.22",
                "component_location": "/opt/chainguard/mitmproxy/lib/python3.13/site-packages/certifi-2026.7.22.dist-info/METADATA",
                "latest_event_status": "fixed",
                "latest_event_timestamp": "2026-10-21T23:08:07Z"
              }
            ]
          }
        }
      ],
      "modified": "2026-10-22T02:17:34.790006543Z",
      "provider": "osv",
      "upstream": [
        "GHSA-6q48-6c7w-9gw2"
      ],
      "references": [
        "https://github.com/certifi/python-certifi/security/advisories/GHSA-6q48-6c7w-9gw2",
        "https://discuss.python.org/t/information-for-python-users-regarding-emudhra-emsign-ca-certificate-security-incident/109576",
        "https://emudhra.we-have-a-problem.com",
        "https://github.com/certifi/python-certifi"
      ]
    },
    "related_cves": [],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 403377,
  "published_at": "2026-10-21T12:33:45+00:00"
}