a2aproject a2a-rs inmemory.rs information disclosure

{
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "cveMetadata": {
    "cveId": "CVE-2026-113706",
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "dateUpdated": "2026-10-20T23:15:22.806Z",
    "dateReserved": "2026-10-20T15:57:19.225Z",
    "datePublished": "2026-10-20T23:15:22.806Z",
    "state": "PUBLISHED"
  },
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB",
        "dateUpdated": "2026-10-20T23:15:22.806Z"
      },
      "title": "a2aproject a2a-rs inmemory.rs information disclosure",
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was identified in a2aproject a2a-rs up to 0.4.3. Impacted is an unknown function of the file a2a-server/src/task_store/inmemory.rs. The manipulation of the argument historyLength leads to information disclosure. The attack is possible to be carried out remotely. The identifier of the patch is 68f1b7e772ae5d6c9e581ac9b48bcddd10fe70eb. To fix this issue, it is recommended to deploy a patch."
        }
      ],
      "affected": [
        {
          "vendor": "a2aproject",
          "product": "a2a-rs",
          "cpes": [
            "cpe:2.3:a:a2aproject:a2a-rs:*:*:*:*:*:*:*:*"
          ],
          "versions": [
            {
              "version": "0.4.0",
              "status": "affected"
            },
            {
              "version": "0.4.1",
              "status": "affected"
            },
            {
              "version": "0.4.2",
              "status": "affected"
            },
            {
              "version": "0.4.3",
              "status": "affected"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "Information Disclosure",
              "cweId": "CWE-200",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "Improper Access Controls",
              "cweId": "CWE-284",
              "type": "CWE"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://vuldb.com/vuln/422868",
          "name": "VDB-422868 | a2aproject a2a-rs inmemory.rs information disclosure",
          "tags": [
            "vdb-entry",
            "technical-description"
          ]
        },
        {
          "url": "https://vuldb.com/vuln/422868/cti",
          "name": "VDB-422868 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ]
        },
        {
          "url": "https://vuldb.com/cve/CVE-2026-113706",
          "name": "CVE-2026-113706 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ]
        },
        {
          "url": "https://vuldb.com/submit/1015040",
          "name": "Submit #1015040 | a2aproject a2a-rs a2a-server-lf ≤ 0.4.3 CWE-200",
          "tags": [
            "third-party-advisory"
          ]
        },
        {
          "url": "https://github.com/a2aproject/a2a-rs/pull/122",
          "tags": [
            "issue-tracking",
            "patch"
          ]
        },
        {
          "url": "https://github.com/a2aproject/a2a-rs/commit/68f1b7e772ae5d6c9e581ac9b48bcddd10fe70eb",
          "tags": [
            "patch"
          ]
        },
        {
          "url": "https://github.com/a2aproject/a2a-rs/",
          "tags": [
            "product"
          ]
        }
      ],
      "metrics": [
        {},
        {
          "cvssV3_1": {
            "version": "3.1",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C",
            "baseScore": 3.5,
            "baseSeverity": "LOW"
          }
        },
        {
          "cvssV3_0": {
            "version": "3.0",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C",
            "baseScore": 3.5,
            "baseSeverity": "LOW"
          }
        },
        {
          "cvssV2_0": {
            "version": "2.0",
            "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N/E:ND/RL:OF/RC:C",
            "baseScore": 4
          }
        }
      ],
      "timeline": [
        {
          "time": "2026-10-20T00:00:00.000Z",
          "lang": "en",
          "value": "Advisory disclosed"
        },
        {
          "time": "2026-10-20T02:00:00.000Z",
          "lang": "en",
          "value": "VulDB entry created"
        },
        {
          "time": "2026-10-20T18:02:48.000Z",
          "lang": "en",
          "value": "VulDB entry last update"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "colorfullbz (VulDB User)",
          "type": "reporter"
        }
      ],
      "tags": [
        "x_open-source"
      ]
    }
  }
}