SpEL Injection via Unescaped Filter Key in SimpleVectorStore Leads to Remote Code Execution

{
  "id": "0d9a8b19ecdafbd74c2c8b94d410b915599051a2d23644e0b2813fc2e0d25a7f",
  "url": "https://osv.dev/vulnerability/CVE-2026-22738",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "SpEL Injection via Unescaped Filter Key in SimpleVectorStore Leads to Remote Code Execution",
    "summary": "In Spring AI, a SpEL injection vulnerability exists in SimpleVectorStore when a user-supplied value is used as a filter expression key. A malicious actor could exploit this to execute arbitrary code. Only applications that use SimpleVectorStore and pass user-supplied input as a filter expression key are affected. This issue affects Spring AI: from 1.0.0 before 1.0.5, from 1.1.0 before 1.1.4.",
    "evidence": "osv:CVE-2026-22738",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2026-22738",
      "aliases": [
        "CVE-2026-22738",
        "GHSA-fvh3-672c-7p6c"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/spring-projects/spring-ai",
              "type": "GIT",
              "events": [
                {
                  "introduced": "fcd2803f36f35939c20ed152c9c1b0863fa35dcf"
                },
                {
                  "fixed": "a6a0aabd895126aa87d14c6381f26619f9174a10"
                },
                {
                  "introduced": "fa4c61eabeba0a69147b3c00a3b50380c1f25a75"
                },
                {
                  "fixed": "061d9a15313e32379c0bfe683df0d2e7e7ea96dc"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:vmware:spring_ai:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.0.0"
                      },
                      {
                        "fixed": "1.0.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:vmware:spring_ai:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.1.0"
                      },
                      {
                        "fixed": "1.1.4"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-22738.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:53.364897566Z",
      "provider": "osv",
      "references": [
        "https://spring.io/security/cve-2026-22738",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/22xxx/CVE-2026-22738.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-22738"
      ],
      "provider_metadata": {
        "cna_assigner": "vmware",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "1.0.0"
                  },
                  {
                    "fixed": "1.0.5"
                  },
                  {
                    "introduced": "1.1.0"
                  },
                  {
                    "fixed": "1.1.4"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/22xxx/CVE-2026-22738.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-22738",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 522351,
  "published_at": "2026-03-27T05:21:07.168+00:00"
}