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    "github_reviewed_at": "2026-05-05T16:54:31Z",
    "nvd_published_at": "2026-05-05T22:16:00Z",
    "severity": "HIGH"
  },
  "details": "Jupyter Server uses `re.match()` to validate the Origin header against the `allow_origin_pat` configuration.\n\nSince `re.match()` only anchors at the start of the string, an attacker who controls a domain like `http://trusted.example.com.evil.com/` passes validation against a pattern intended to match only `trusted.example.com`.\n\n### Impact\n\n\u003c=2.17.0\n\n### Patches\n\n057869a327c46730afede3eab0ca2d2e3e74acea, 49b34392feaa97735b3b777e3baf8f22f2a14ed8 \n\n### Workarounds\n\nWrap your `allow_origin_pat` value with `^` and `$`\n\n### References\n\nhttps://github.com/jupyter-server/jupyter_server/pull/603\nhttps://docs.python.org/3/library/re.html#re.fullmatch\nhttps://docs.python.org/3/library/re.html#re.match",
  "id": "GHSA-24qx-w28j-9m6p",
  "modified": "2026-07-31T20:27:11Z",
  "published": "2026-05-05T16:54:31Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/jupyter-server/jupyter_server/security/advisories/GHSA-24qx-w28j-9m6p"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-40110"
    },
    {
      "type": "WEB",
      "url": "https://github.com/jupyter-server/jupyter_server/pull/603"
    },
    {
      "type": "WEB",
      "url": "https://github.com/jupyter-server/jupyter_server/commit/057869a327c46730afede3eab0ca2d2e3e74acea"
    },
    {
      "type": "WEB",
      "url": "https://github.com/jupyter-server/jupyter_server/commit/49b34392feaa97735b3b777e3baf8f22f2a14ed8"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2026:43038"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2026-40110"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2466912"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/jupyter-server/jupyter_server"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/jupyter-server/PYSEC-2026-2187.yaml"
    },
    {
      "type": "WEB",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40110.json"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:L/SC:L/SI:L/SA:L",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Jupyter Server has a  CORS Origin Validation Bypass via `re.match()` in `allow_origin_pat`"
}

{
  "affected": [],
  "aliases": [
    "CVE-2026-32973"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-625"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-03-29T13:17:01Z",
    "severity": "HIGH"
  },
  "details": "OpenClaw before 2026.3.11 contains an exec allowlist bypass vulnerability where matchesExecAllowlistPattern improperly normalizes patterns with lowercasing and glob matching that overmatches on POSIX paths. Attackers can exploit the ? wildcard matching across path segments to execute commands or paths not intended by operators.",
  "id": "GHSA-3pvp-95ff-24g4",
  "modified": "2026-03-29T15:30:19Z",
  "published": "2026-03-29T15:30:19Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-f8r2-vg7x-gh8m"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-32973"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/openclaw-exec-allowlist-pattern-overmatch-via-posix-path-normalization"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/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:X",
      "type": "CVSS_V4"
    }
  ]
}

{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 0.9.11"
      },
      "package": {
        "ecosystem": "npm",
        "name": "@xmldom/xmldom"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.9.0"
            },
            {
              "fixed": "0.9.12"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-83609"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-625",
      "CWE-91"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-09-08T21:02:33Z",
    "nvd_published_at": "2026-09-01T15:17:38Z",
    "severity": "HIGH"
  },
  "details": "## Summary\n\nAn embedded line terminator bypasses xmldom\u0027s always-on, WHATWG-mandated creation-time name\nvalidation. `createElementNS`, `createAttributeNS`, `createDocumentType`, and `createAttribute` should\nreject a malformed qualified name with `InvalidCharacterError`, but a name whose first line is\nwell-formed slips through and enters the DOM. On serialization it is emitted verbatim, so the\ncharacters after the line terminator inject markup into the output. The injection reaches the default\nserialization path, and enabling `requireWellFormed` does not prevent it.\n\n## Details\n\n`createElementNS`, `createAttributeNS`, and `createDocumentType` route through `validateQualifiedName`,\nand `createAttribute` performs the analogous check; each validates the name with\n`g.QName_exact.test(name)`. `QName_exact = reg(\u0027^\u0027, QName, \u0027$\u0027)` inherits the `m` flag from xmldom\u0027s\nshared regexp builder, so the matcher accepts any name whose first line is a valid `QName` and leaves\nthe remaining lines unconstrained (see Root Cause).\n\n### Root Cause\n\n1. A shared regexp builder compiles anchored productions with the `m` flag.\n2. `^\u2026$` under `m` are line anchors, not string anchors.\n3. `validateQualifiedName` / `createAttribute` validate with `.test()` against such a production, so a\n   line terminator followed by breakout markup passes and the malformed name is stored.\n\nThe triggering line terminators are the ECMAScript `LineTerminator` set: U+000A, U+000D, U+2028, U+2029.\n\n## Proof of Concept\n\n```js\nconst { DOMImplementation, XMLSerializer } = require(\u0027@xmldom/xmldom\u0027);\nconst impl = new DOMImplementation();\n\nconst doc = impl.createDocument(\u0027urn:x\u0027, \u0027root\u0027, null);\nconst el = doc.createElementNS(\u0027urn:x\u0027, \u0027a\\n\u003e\u003cscript\u003ex\u003c/script\u0027);  // ACCEPTED (no throw)\ndoc.documentElement.appendChild(el);\n\n// DEFAULT serialization \u2014 requireWellFormed NOT set:\nconsole.log(new XMLSerializer().serializeToString(doc));\n// Observed: \u003croot xmlns=\"urn:x\"\u003e\u003ca\n// \u003e\u003cscript\u003ex\u003c/script/\u003e\u003c/root\u003e          \u003c-- injected element on the default path\n// Control: createElementNS(\u0027urn:x\u0027, \u0027bad\u003ename\u0027) throws InvalidCharacterError, confirming the check is\n// active and specifically bypassed by the line terminator.\n```\n\n## Impact\n\n- **Bypass of the always-on WHATWG creation-time name validation** (`InvalidCharacterError`): a\n  malformed name the standard requires be rejected at creation is instead admitted to the DOM.\n- **Markup / structure injection.** An application relying on the `create*` APIs to reject malformed\n  names (the standard behavior) as a trust boundary is exposed; where the serialized output reaches an\n  HTML context, downstream XSS.\n- **No serializer option mitigates it.** The admitted name is emitted verbatim under *both* the default\n  path and `requireWellFormed: true` \u2014 the strict serializer shares the same `m`-flagged blind spot\n  (the subject of the sibling serializer advisories) \u2014 so the bypassed creation-time check was the only\n  layer that could have stopped it. Demonstrated for all four `create*` sites in\n  `poc_creation_strict_serialization_bypass.cjs`.\n\n## Fix Applied\n\n`createElementNS`, `createAttributeNS`, `createDocumentType`, and `createAttribute` now reject a name\ncontaining a line terminator with `InvalidCharacterError` \u2014 the same result they already give for\nother malformed names \u2014 because name validation now applies to the whole string. The\n`requireWellFormed` serializer\u0027s name checks are corrected by the same change. The fix is\nnon-breaking: such a name was already invalid, and no previously-accepted well-formed name is affected.",
  "id": "GHSA-3px3-54cx-rmw9",
  "modified": "2026-09-08T21:02:33Z",
  "published": "2026-09-08T21:02:33Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/xmldom/xmldom/security/advisories/GHSA-3px3-54cx-rmw9"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-83609"
    },
    {
      "type": "WEB",
      "url": "https://github.com/xmldom/xmldom/pull/1071"
    },
    {
      "type": "WEB",
      "url": "https://github.com/xmldom/xmldom/commit/7b2ec67e1750daadd0bb06c92e875e726544a362"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/xmldom/xmldom"
    },
    {
      "type": "WEB",
      "url": "https://github.com/xmldom/xmldom/releases/tag/0.9.12"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "xmldom: Creation-time XML Name/QName validation is bypassable via an embedded line terminator, allowing injection on the default serialization path"
}