Vulnerability-Lookup

CVE-2025-49651 (GCVE-0-2025-49651)

Vulnerability from cvelistv5 – Published: 2025-06-09 17:25 – Updated: 2025-06-11 12:12

Title

Missing Authorization for Interactive Sessions

Summary

Missing Authorization in Lablup's BackendAI allows attackers to takeover all active sessions; Accessing, stealing, or altering any data accessible in the session. This vulnerability exists in all current versions of BackendAI.

Severity

8.1 (High)


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

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-06-09 18:53 UTC

CWE

CWE-862 - Missing Authorization

Assigner

HiddenLayer mitre root

References

1 reference

URL	Tags
https://hiddenlayer.com/sai_security_advisor/2025…

Impacted products

1 product

Vendor	Product	Version	CPE status
Lablup	BackendAI	Affected: *	guessed

Credits

Esteban Tonglet

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2025-49651

Vulnerability from fkie_nvd - Published: 2025-06-09 18:15 - Updated: 2026-06-17 09:31

Severity

8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

References

	URL	Tags
	6f8de1f0-f67e-45a6-b68f-98777fdb759c	https://hiddenlayer.com/sai_security_advisor/2025-06-backendai/

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "BackendAI",
          "repo": "https://github.com/lablup/backend.ai",
          "vendor": "Lablup",
          "versions": [
            {
              "status": "affected",
              "version": "*"
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      "lang": "es",
      "value": "La falta de autorizaci\u00f3n en BackendAI de Lablup permite a los atacantes tomar el control de todas las sesiones activas, accediendo, robando o alterando cualquier dato accesible en la sesi\u00f3n. Esta vulnerabilidad existe en todas las versiones actuales de BackendAI."
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  "id": "CVE-2025-49651",
  "lastModified": "2026-06-17T09:31:35.690",
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GHSA-H889-475R-WFMM

Vulnerability from github – Published: 2025-06-09 18:32 – Updated: 2026-01-21 14:46

Summary

Backend.AI Missing Authorization vulnerability

Details

NOTE: The maintainers of BackendAI do not consider this report to fit with their threat model and advise users to follow security advice from https://github.com/lablup/backend.ai/pull/7587 in their instances to protect themselves from the conditions that would lead to the situation described in the CVE record.

Severity

8.1 (High)


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

Show details on source website

JSON

To clipboard

{
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      "package": {
        "ecosystem": "PyPI",
        "name": "backend.ai"
      },
      "ranges": [
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              "last_affected": "25.3.3"
            }
          ],
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        }
      ]
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  ],
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    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-06-11T16:51:42Z",
    "nvd_published_at": "2025-06-09T18:15:26Z",
    "severity": "HIGH"
  },
  "details": "Missing Authorization in Lablup\u0027s BackendAI allows attackers to takeover all active sessions; Accessing, stealing, or altering any data accessible in the session. This vulnerability exists in all current versions of BackendAI.\n\nNOTE: The maintainers of BackendAI do not consider this report to fit with their threat model and advise users to follow security advice from https://github.com/lablup/backend.ai/pull/7587 in their instances to protect themselves from the conditions that would lead to the situation described in the CVE record.",
  "id": "GHSA-h889-475r-wfmm",
  "modified": "2026-01-21T14:46:26Z",
  "published": "2025-06-09T18:32:17Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-49651"
    },
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    },
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      "url": "https://github.com/lablup/backend.ai"
    },
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      "url": "https://hiddenlayer.com/sai_security_advisor/2025-05-backendai-49653"
    },
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      "url": "https://hiddenlayer.com/sai_security_advisor/2025-06-backendai"
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      "type": "CVSS_V3"
    }
  ],
  "summary": "Backend.AI Missing Authorization vulnerability"
}

PYSEC-2026-1210

Vulnerability from pysec - Published: 2026-07-07 16:02 - Updated: 2026-07-07 17:23

Details

Severity

8.1 (High)


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

Impacted products

Name	purl
backend-ai	pkg:pypi/backend-ai

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "backend-ai",
        "purl": "pkg:pypi/backend-ai"
      },
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        "1.0.0",
        "1.0.1",
        "1.0.2",
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        "1.2.0",
        "1.3.0",
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        "19.9.0",
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        "20.3.1",
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        "20.9.0a1.dev0",
        "21.3.0",
        "22.3.0"
      ]
    }
  ],
  "aliases": [
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    "GHSA-h889-475r-wfmm"
  ],
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  "published": "2026-07-07T16:02:54.070366Z",
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    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/backend-ai"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-h889-475r-wfmm"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Backend.AI Missing Authorization vulnerability"
}

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.

Detection rules are retrieved from Rulezet.

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.

Action not permitted

CVE-2025-49651 (GCVE-0-2025-49651)

FKIE_CVE-2025-49651

GHSA-H889-475R-WFMM

PYSEC-2026-1210

Tags

Sightings

Nomenclature

Related by attack behaviour