Vulnerability-Lookup

GHSA-2VFM-V289-H559

Vulnerability from github – Published: 2026-07-14 21:32 – Updated: 2026-07-14 21:32

Details

In Open5GS through version 2.7.7 a pre-authentication heap out-of-bounds read in the AMF NAS 5GS mobile-identity handler may result in subscriber-wide denial of service.

Severity

8.6 (High)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-15720"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-125"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-14T19:16:51Z",
    "severity": "HIGH"
  },
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  "id": "GHSA-2vfm-v289-h559",
  "modified": "2026-07-14T21:32:15Z",
  "published": "2026-07-14T21:32:15Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/open5gs/open5gs/security/advisories/GHSA-f4mx-3x6p-cfwp"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-15720"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-15720 (GCVE-0-2026-15720)

Vulnerability from cvelistv5 – Published: 2026-07-14 18:20 – Updated: 2026-07-15 14:02

Title

Pre-auth heap out-of-bounds read in the AMF NAS 5GS mobile-identity handler

Summary

In Open5GS through version 2.7.7 a pre-authentication heap out-of-bounds read in the AMF NAS 5GS mobile-identity handler may result in subscriber-wide denial of service.

Severity

8.6 (High)


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

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-15 14:02 UTC

CWE

CWE-125 - Out-of-bounds read

Assigner

redhat-cnalr CNA

CNA scorecard C 64/100 over 13 records in the last 180 days details

References

1 reference

URL	Tags
https://github.com/open5gs/open5gs/security/advis…	vendor-advisory

Impacted products

1 product

Vendor	Product	Version
open5gs	open5gs	Affected: 0 , ≤ 2.7.7 (semver)

Date Public

2026-06-04 18:11

Show details on NVD website

JSON

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  "containers": {
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        "metrics": [
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                "id": "CVE-2026-15720",
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                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-15T14:02:02.606987Z",
                "version": "2.0.3"
              },
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            "attackComplexity": "LOW",
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            "baseScore": 8.6,
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            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
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              "cweId": "CWE-125",
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    "datePublished": "2026-07-14T18:20:22.732Z",
    "dateReserved": "2026-07-14T12:29:33.633Z",
    "dateUpdated": "2026-07-15T14:02:22.116Z",
    "state": "PUBLISHED"
  },
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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.

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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.
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