a2aproject a2a-rs inmemory.rs update race condition

{
  "id": "fea4eb3fe381e34bd12914c4bd785cd5454ec05571a41ae3c5e39ec30fe7457f",
  "url": "https://www.cve.org/CVERecord?id=CVE-2026-113707",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "a2aproject a2a-rs inmemory.rs update race condition",
    "summary": "A security flaw has been discovered in a2aproject a2a-rs up to 0.4.4. The affected element is the function InMemoryTaskStore::update of the file a2a-server/src/task_store/inmemory.rs. The manipulation results in race condition. The attack may be performed from remote. The patch is identified as 7050c7d329238539424ee46440e23b91c4825bee. It is advisable to implement a patch to correct this issue.",
    "evidence": "cve:CVE-2026-113707",
    "products": [
      {
        "name": {
          "value": "a2a-rs",
          "evidence": "/containers/cna/affected/0/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-113707",
      "aliases": [
        "CVE-2026-113707"
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "version": "4.0",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X"
          }
        },
        {
          "cvssV3_1": {
            "version": "3.1",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:X/RL:O/RC:C"
          }
        },
        {
          "cvssV3_0": {
            "version": "3.0",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:X/RL:O/RC:C"
          }
        },
        {
          "cvssV2_0": {
            "version": "2.0",
            "baseScore": 5.5,
            "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:P/E:ND/RL:OF/RC:C"
          }
        }
      ],
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:a2aproject:a2a-rs:*:*:*:*:*:*:*:*"
          ],
          "vendor": "a2aproject",
          "product": "a2a-rs",
          "versions": [
            {
              "status": "affected",
              "version": "0.4.0"
            },
            {
              "status": "affected",
              "version": "0.4.1"
            },
            {
              "status": "affected",
              "version": "0.4.2"
            },
            {
              "status": "affected",
              "version": "0.4.3"
            },
            {
              "status": "affected",
              "version": "0.4.4"
            }
          ]
        }
      ],
      "modified": "2026-10-28T14:57:28.380Z",
      "provider": "cve",
      "references": [
        "https://vuldb.com/vuln/422869",
        "https://vuldb.com/vuln/422869/cti",
        "https://vuldb.com/cve/CVE-2026-113707",
        "https://vuldb.com/submit/1015056",
        "https://github.com/a2aproject/a2a-rs/pull/126",
        "https://github.com/a2aproject/a2a-rs/commit/7050c7d329238539424ee46440e23b91c4825bee",
        "https://github.com/a2aproject/a2a-rs/"
      ],
      "provider_metadata": {
        "adp": [
          {
            "title": "CISA ADP Vulnrichment",
            "metrics": [
              {
                "other": {
                  "type": "ssvc",
                  "content": {
                    "id": "CVE-2026-113707",
                    "role": "CISA Coordinator",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "version": "2.0.3",
                    "timestamp": "2026-10-28T14:57:01.483991Z"
                  }
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            "providerMetadata": {
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              "shortName": "CISA-ADP",
              "dateUpdated": "2026-10-28T14:57:28.380Z"
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        "cna": {
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          "shortName": "VulDB",
          "dateUpdated": "2026-10-20T23:30:22.622Z"
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    "related_cves": [
      {
        "value": "CVE-2026-113707",
        "evidence": "/cveMetadata/cveId"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/containers/cna/metrics"
  },
  "source_id": "core-cve",
  "document_id": 452554,
  "published_at": "2026-10-20T23:30:22.622+00:00"
}