Vulnerability-Lookup

GHSA-9PW3-X84F-XCWF

Vulnerability from github – Published: 2026-08-05 21:31 – Updated: 2026-10-05 22:31

Withdrawn 2026-10-05

Summary

Duplicate Advisory: Langflow: Weak Fernet Key via random.seed()

Details

Duplicate Advisory

This advisory has been withdrawn because it is a duplicate of GHSA-jxw3-mjmx-3pqm. This link is maintained to preserve external references.

Original Description

IBM Langflow OSS contains a weak cryptographic key derivation vulnerability in the ensure_fernet_key() function.

Severity

7.4 (High)


                  
                    CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

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{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "langflow"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "1.10.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [
      "CWE-338"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-10-05T22:31:30Z",
    "nvd_published_at": "2026-08-05T19:17:49Z",
    "severity": "HIGH"
  },
  "details": "## Duplicate Advisory\n\nThis advisory has been withdrawn because it is a duplicate of\u00a0GHSA-jxw3-mjmx-3pqm. This link is maintained to preserve external references.\n\n## Original Description\nIBM Langflow OSS contains a weak cryptographic key derivation vulnerability in the\u00a0ensure_fernet_key() function.",
  "id": "GHSA-9pw3-x84f-xcwf",
  "modified": "2026-10-05T22:31:30Z",
  "published": "2026-08-05T21:31:38Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-9205"
    },
    {
      "type": "WEB",
      "url": "https://github.com/langflow-ai/langflow/pull/13704"
    },
    {
      "type": "WEB",
      "url": "https://github.com/langflow-ai/langflow/commit/094694d3f20c1da499f4d8dbac15c510609e3026"
    },
    {
      "type": "WEB",
      "url": "https://www.ibm.com/support/pages/node/7282648"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Duplicate Advisory: Langflow: Weak Fernet Key via random.seed()",
  "withdrawn": "2026-10-05T22:31:30Z"
}

CVE-2026-9205 (GCVE-0-2026-9205)

Vulnerability from cvelistv5 – Published: 2026-08-05 18:09 – Updated: 2026-08-07 12:56

Title

Langflow is affected by weaknesses in secret handling and sensitive configuration access

Summary

IBM Langflow OSS contains a weak cryptographic key derivation vulnerability in the ensure_fernet_key() function.

Severity

7.4 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-06 03:55 UTC

CWE

CWE-338 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

Assigner

ibm mitre root Scorecard

References

1 reference

URL	Tags
https://www.ibm.com/support/pages/node/7282648	vendor-advisorypatch

Impacted products

1 product

Vendor	Product	Version
IBM	Langflow OSS	Affected: 1.0.0 , ≤ 1.10.3 (semver) cpe:2.3:a:ibm:langflow_oss:1.0.0:::::::* cpe:2.3:a:ibm:langflow_oss:1.10.3:::::::*

Credits

Kolega.dev (kolega-ai-dev) https://kolega.dev

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                  }
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                "role": "CISA Coordinator",
                "timestamp": "2026-08-06T03:55:52.571626Z",
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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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