TC-2026-0010 · PYPI · PACKAGE

[email protected]

CVE-2026-33017 (CISA KEV): unauthenticated remote code execution via /api/v1/validate/code AST execution in agent workflow definitions.

Primary advisory (CISA KEV / Horizon3.ai) Back to all 66 records

Signed ledger verdict

TC-2026-0010
Known bad (exit 2) pypi:langflow==1.0.14

IOC & scope: pypi:langflow==1.0.14 (CVE-2026-33017). Verified by human review and signed into the CC-BY 4.0 OSV v1.6.0 feed.

Credited finder
CISA KEV / Horizon3.ai ↗
Recorded timestamp
2026-05-02
Canonical SHA-256
a52f3f1b72586c49…
Local hook action
Block (exit 2)
Run live in Counter Workbench

Signed in /feed.json (.sig).

01 8-Vector Capability X-Ray (ABOM) & OWASP Agentic Crosswalk

Deterministic capability profile and taxonomy mapping.

Every artifact in the threat.cafe ledger is profiled across eight execution vectors and mapped to the OWASP Top 10 for Agentic Applications (ASI01-ASI10) and Agentic Skills & Tools (AST01-AST10).

8-Vector Capability X-Ray (ABOM)

  1. 1. Filesystem
    Sensitive paths touched: None observed
  2. 2. Environment
    Variables harvested: OPENAI_API_KEY, LANGFLOW_SUPERUSER_PASSWORD
  3. 3. Network
    Outbound egress domains: 0.0.0.0:7860 (/api/v1/validate/code)
  4. 4. Subprocess
    Process execution primitives: exec(compiled_ast)
  5. 5. Lifecycle
    Install / startup hooks: None observed
  6. 6. OAuth / MCP
    Declared scopes: None observed
  7. 7. Obfuscation
    Encoding / steganography: None observed
  8. 8. Provenance
    Attestation status: vulnerable_release_cisa_kev

Governance & detector mapping

  1. OWASP Agentic ASI (2026): ASI02 (Tool Misuse & Exploitation), ASI05 (Unexpected Code Execution (RCE))
  2. OWASP Agentic AST (2026): AST02 (Tool & Skill Injection), AST03 (Insecure Credential Handling)
  3. Deterministic rules matched: RULE_05_PROMPT_EXFIL_SHELL

Version scoping & related records

Local CLI verification

$ threat-cafe-hook check "pypi:langflow==1.0.14"
[threat.cafe] known_bad: pypi:langflow==1.0.14 (TC-2026-0010)
  Reason: CVE-2026-33017 (CISA KEV): unauthenticated remote code execution via /api/v1/validate/code
  Source: https://www.cisa.gov/known-exploited-vulnerabilities-catalog (credited to CISA KEV / Horizon3.ai)

OSV v1.6.0 machine-readable record

Included in /feed.json under CC-BY 4.0 license and verified by /feed.json.sig.

{
  "schema_version": "1.6.0",
  "id": "TC-2026-0010",
  "modified": "2026-05-02T17:00:00Z",
  "published": "2026-05-02T17:00:00Z",
  "summary": "CVE-2026-33017 (CISA KEV): unauthenticated remote code execution via /api/v1/validate/code AST execution in agent workflow definitions.",
  "affected": [
    {
      "package": {
        "ecosystem": "pypi",
        "name": "langflow"
      },
      "versions": [
        "1.0.14"
      ]
    }
  ],
  "credits": [
    {
      "name": "CISA KEV / Horizon3.ai",
      "type": "FINDER"
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog"
    },
    {
      "type": "WEB",
      "url": "https://threat.cafe/incidents/tc-2026-0010/"
    }
  ],
  "database_specific": {
    "target": "pypi:langflow==1.0.14",
    "kind": "package",
    "verdict": "known_bad",
    "ioc": "pypi:langflow==1.0.14 (CVE-2026-33017)",
    "artifact_sha256": "a52f3f1b72586c4936a250a42bdaecedf182cb4703f9a4a582ded8c75096c0c8",
    "owasp_asi": [
      "ASI02",
      "ASI05"
    ],
    "owasp_ast": [
      "AST02",
      "AST03"
    ],
    "rules_matched": [
      "RULE_05_PROMPT_EXFIL_SHELL"
    ],
    "abom": {
      "fs_sensitive": [],
      "env_harvest": [
        "OPENAI_API_KEY",
        "LANGFLOW_SUPERUSER_PASSWORD"
      ],
      "net_egress": [
        "0.0.0.0:7860 (/api/v1/validate/code)"
      ],
      "proc_exec": [
        "exec(compiled_ast)"
      ],
      "install_hooks": [],
      "oauth_scopes": [],
      "obfuscation": [],
      "provenance": "vulnerable_release_cisa_kev"
    },
    "license": "CC-BY-4.0",
    "record_digest": "sha256:37cc62c6d9648826f9815ccad4cba08bebe8fcc408dfb5c9027159f97be4bb55",
    "release_signature_url": "https://threat.cafe/feed.json.sig"
  }
}

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