Security advisory

{
  "id": "2b91fc8af515f048d8f58fa5ce37e93e8dc33d096db503954bb4dd2061f26b8e",
  "url": "https://osv.dev/vulnerability/CVE-2026-79696",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-79696",
    "summary": "A Code Injection vulnerability in adk web in Google Cloud Agent Development Kit (ADK) for Python versions 2.0.0 through 2.6.0 on Python (OSS), Cloud Run, and GKE environments where pytest is installed allows an unauthenticated remote attacker to execute arbitrary code using a crafted test session replay.",
    "evidence": "osv:CVE-2026-79696",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2026-79696",
      "aliases": [
        "CVE-2026-79696"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Amber"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/google/adk-python",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0a290d574303ad79d25d7f2ecb5d118ff5118e95"
                },
                {
                  "last_affected": "a5791dab0b1aeae88caab31ca6951653dcdbba8b"
                },
                {
                  "fixed": "a16f6da3314b8dcd9925884cd6fc7fc9ffdd570d"
                },
                {
                  "fixed": "25e8ea6dea82713fdac9bc4117ec425386582b1f"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "2.0.0"
                      },
                      {
                        "last_affected": "2.6.0"
                      }
                    ],
                    "source": "DESCRIPTION"
                  },
                  {
                    "range": [
                      {
                        "fixed": "a16f6da3314b8dcd9925884cd6fc7fc9ffdd570d"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "25e8ea6dea82713fdac9bc4117ec425386582b1f"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v2.7.0"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-79696.json"
          }
        }
      ],
      "modified": "2026-10-20T12:02:25.175165217Z",
      "provider": "osv",
      "references": [
        "https://github.com/google/adk-python/releases/tag/v2.7.0",
        "https://github.com/google/adk-python/commit/a16f6da3314b8dcd9925884cd6fc7fc9ffdd570d"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2026-79696",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 387246,
  "published_at": "2026-09-09T09:17:11.223+00:00"
}