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CVE-2026-113731

Status: DeferredLow (3.3)—
Severity3.3Low · CVSS 3.1
Exploitation probability0.16 %higher than 5% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found

djust provides Phoenix LiveView-style reactive server-side rendering for Django with Rust-powered performance. From 0.9.0 until 1.0.10, 1.1.7, 1.2.4, and 1.3.0rc8, the find_handlers_for_template MCP tool in python/djust/mcp/server.py accepts an existing absolute template_path and reads it without restricting the resolved path to the project or configured template directories.

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A local MCP client can use the tool as a file existence and readability oracle and can obtain substrings that match the tool's dj-click, dj-submit, dj-change, dj-input, dj-keydown, or dj-keyup attribute pattern from files readable by the djust process. The maintainer assessment states that the MCP server communicates over local stdio as the same operating-system user and has no network listener, and the tool does not return arbitrary raw file contents. This issue is fixed in versions 1.0.10, 1.1.7, 1.2.4, and 1.3.0rc8.

CVSS

Base score
3.3
Version
3.1
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
0.16 %
Percentile among all scored CVEs
5
Score date
10/24/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

Vector AV:L, UI:N, PR:L: el cliente MCP local usa find_handlers_for_template sin restringir la ruta, y obtiene subcadenas dj-* de archivos legibles y un oráculo de existencia.

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

ATT&CK mitigations that cover these techniques

Threat Intelligence ProgramExecution PreventionApplication Isolation and SandboxingExploit ProtectionUpdate SoftwareData Loss Prevention

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Djust — DjustAI

CWEs

References

Show 9 references

Raw JSON (NVD)

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{
  "id": "CVE-2026-113731",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security-advisories@github.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 3.3,
          "attackVector": "LOCAL",
          "baseSeverity": "LOW",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "security-advisories@github.com",
      "affectedData": [
        {
          "vendor": "djust-org",
          "product": "djust",
          "versions": [
            {
              "status": "affected",
              "version": ">= 0.9.0, < 1.0.10"
            },
            {
              "status": "affected",
              "version": ">= 1.1.0, < 1.1.7"
            },
            {
              "status": "affected",
              "version": ">= 1.2.0.dev0, < 1.2.4"
            },
            {
              "status": "affected",
              "version": ">= 1.3.0.dev0, < 1.3.0rc8"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-10-20T22:19:30.197",
  "references": [
    {
      "url": "https://github.com/djust-org/djust/commit/45a5045793ebe7c9c2df86b0ad34275af6822619",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/djust-org/djust/commit/744bccf699c65c815d9379b36236a7c5592a339b",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/djust-org/djust/commit/85eed7caaf620bdb08986f2f3bb79432c0d3d715",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/djust-org/djust/commit/a62caf6b4ef540ad688d4dfdfa407ff914c78728",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/djust-org/djust/releases/tag/v1.0.10",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/djust-org/djust/releases/tag/v1.1.7",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/djust-org/djust/releases/tag/v1.2.4",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/djust-org/djust/releases/tag/v1.3.0rc8",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/djust-org/djust/security/advisories/GHSA-r57g-mc79-8hj2",
      "source": "security-advisories@github.com"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "djust provides Phoenix LiveView-style reactive server-side rendering for Django with Rust-powered performance. From 0.9.0 until 1.0.10, 1.1.7, 1.2.4, and 1.3.0rc8, the find_handlers_for_template MCP tool in python/djust/mcp/server.py accepts an existing absolute template_path and reads it without restricting the resolved path to the project or configured template directories. A local MCP client can use the tool as a file existence and readability oracle and can obtain substrings that match the tool's dj-click, dj-submit, dj-change, dj-input, dj-keydown, or dj-keyup attribute pattern from files readable by the djust process. The maintainer assessment states that the MCP server communicates over local stdio as the same operating-system user and has no network listener, and the tool does not return arbitrary raw file contents. This issue is fixed in versions 1.0.10, 1.1.7, 1.2.4, and 1.3.0rc8."
    }
  ],
  "lastModified": "2026-10-20T22:19:30.333",
  "sourceIdentifier": "security-advisories@github.com"
}