a2ui-project a2ui Error data-context.ts DataContext.dispatchExpressionError information exposure

{
  "id": "0887f17346d0cd98e22aee0c68aaaca8de3b7a4b73bb3b67e623e972895dc02a",
  "url": "https://www.cve.org/CVERecord?id=CVE-2026-118272",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "a2ui-project a2ui Error data-context.ts DataContext.dispatchExpressionError information exposure",
    "summary": "A vulnerability was detected in a2ui-project a2ui up to 0.10.6. Affected is the function DataContext.dispatchExpressionError of the file renderers/web_core/src/v0_9/rendering/data-context.ts of the component Error Handler. Performing a manipulation results in information exposure through error message. It is possible to initiate the attack remotely. The exploit is now public and may be used. The patch is named 8f149a1c7b0ce1fa8e93ac3adfa5fda960faeb01. It is suggested to install a patch to address this issue.",
    "evidence": "cve:CVE-2026-118272",
    "products": [
      {
        "name": {
          "value": "a2ui",
          "evidence": "/containers/cna/affected/0/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-118272",
      "aliases": [
        "CVE-2026-118272"
      ],
      "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:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P"
          }
        },
        {
          "cvssV3_1": {
            "version": "3.1",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C"
          }
        },
        {
          "cvssV3_0": {
            "version": "3.0",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C"
          }
        },
        {
          "cvssV2_0": {
            "version": "2.0",
            "baseScore": 4,
            "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N/E:POC/RL:OF/RC:C"
          }
        }
      ],
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:a2ui-project:a2ui:*:*:*:*:*:*:*:*"
          ],
          "vendor": "a2ui-project",
          "modules": [
            "Error Handler"
          ],
          "product": "a2ui",
          "versions": [
            {
              "status": "affected",
              "version": "0.10.0"
            },
            {
              "status": "affected",
              "version": "0.10.1"
            },
            {
              "status": "affected",
              "version": "0.10.2"
            },
            {
              "status": "affected",
              "version": "0.10.3"
            },
            {
              "status": "affected",
              "version": "0.10.4"
            },
            {
              "status": "affected",
              "version": "0.10.5"
            },
            {
              "status": "affected",
              "version": "0.10.6"
            }
          ]
        }
      ],
      "modified": "2026-10-28T16:12:32.352Z",
      "provider": "cve",
      "references": [
        "https://vuldb.com/vuln/427570",
        "https://vuldb.com/vuln/427570/cti",
        "https://vuldb.com/cve/CVE-2026-118272",
        "https://vuldb.com/submit/1015116",
        "https://github.com/a2ui-project/a2ui/issues/2385",
        "https://github.com/a2ui-project/a2ui/pull/2429",
        "https://github.com/a2ui-project/a2ui/commit/8f149a1c7b0ce1fa8e93ac3adfa5fda960faeb01",
        "https://github.com/a2ui-project/a2ui/"
      ],
      "provider_metadata": {
        "adp": [
          {
            "title": "CISA ADP Vulnrichment",
            "metrics": [
              {
                "other": {
                  "type": "ssvc",
                  "content": {
                    "id": "CVE-2026-118272",
                    "role": "CISA Coordinator",
                    "options": [
                      {
                        "Exploitation": "poc"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "version": "2.0.3",
                    "timestamp": "2026-10-28T15:57:46.624255Z"
                  }
                }
              }
            ],
            "providerMetadata": {
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP",
              "dateUpdated": "2026-10-28T16:12:32.352Z"
            }
          }
        ],
        "cna": {
          "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
          "shortName": "VulDB",
          "dateUpdated": "2026-10-28T02:00:21.447Z"
        }
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-118272",
        "evidence": "/cveMetadata/cveId"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/containers/cna/metrics"
  },
  "source_id": "core-cve",
  "document_id": 460250,
  "published_at": "2026-10-28T02:00:21.447+00:00"
}