Vulnerability-Lookup

GHSA-6GM8-3G4H-W82M

Vulnerability from github – Published: 2026-04-01 22:59 – Updated: 2026-04-01 22:59

Summary

Ella Core Panics Upon NGAP handover failure

Details

Summary

Ella Core panics when processing a NGAP handover failure message.

Impact

If an attacker can force a gNodeB to send NGAP handover failure messages to Ella Core, the process will crash, thereby disrupting service for all connected subscribers.

Fix

Improve guards in NGAP handover handlers.

Severity ?

5.8 (Medium)


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

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{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 1.7.0"
      },
      "package": {
        "ecosystem": "Go",
        "name": "github.com/ellanetworks/core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.8.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-34761"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-04-01T22:59:12Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
  },
  "details": "## Summary\n\nElla Core panics when processing a NGAP handover failure message.\n\n## Impact\n\nIf an attacker can force a gNodeB to send NGAP handover failure messages to Ella Core, the process will crash, thereby disrupting service for all connected subscribers.\n\n## Fix \n\nImprove guards in NGAP handover handlers.",
  "id": "GHSA-6gm8-3g4h-w82m",
  "modified": "2026-04-01T22:59:13Z",
  "published": "2026-04-01T22:59:12Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/ellanetworks/core/security/advisories/GHSA-6gm8-3g4h-w82m"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/ellanetworks/core"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Ella Core Panics Upon NGAP handover failure"
}

CVE-2026-34761 (GCVE-0-2026-34761)

Vulnerability from cvelistv5 – Published: 2026-04-02 19:03 – Updated: 2026-04-03 15:43

Title

Ella Core Panics Upon NGAP handover failure

Summary

Ella Core is a 5G core designed for private networks. Prior to version 1.8.0, Ella Core panics when processing a NGAP handover failure message. An attacker able to cause a gNodeB to send NGAP handover failure messages to Ella Core can crash the process, causing service disruption for all connected subscribers. This issue has been patched in version 1.8.0.

Severity ?

5.8 (Medium)


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

CWE

CWE-476 - NULL Pointer Dereference

Assigner

GitHub_M

References

URL

Tags

	https://github.com/ellanetworks/core/security/adv…	x_refsource_CONFIRM
	https://github.com/ellanetworks/core/releases/tag…	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	ellanetworks	core	Affected: < 1.8.0

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-34761",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-03T15:42:35.859554Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-04-03T15:43:40.050Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "core",
          "vendor": "ellanetworks",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 1.8.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Ella Core is a 5G core designed for private networks. Prior to version 1.8.0, Ella Core panics when processing a NGAP handover failure message. An attacker able to cause a gNodeB to send NGAP handover failure messages to Ella Core can crash the process, causing service disruption for all connected subscribers. This issue has been patched in version 1.8.0."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-476",
              "description": "CWE-476: NULL Pointer Dereference",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-02T19:03:05.307Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/ellanetworks/core/security/advisories/GHSA-6gm8-3g4h-w82m",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/ellanetworks/core/security/advisories/GHSA-6gm8-3g4h-w82m"
        },
        {
          "name": "https://github.com/ellanetworks/core/releases/tag/v1.8.0",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/ellanetworks/core/releases/tag/v1.8.0"
        }
      ],
      "source": {
        "advisory": "GHSA-6gm8-3g4h-w82m",
        "discovery": "UNKNOWN"
      },
      "title": "Ella Core Panics Upon NGAP handover failure"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-34761",
    "datePublished": "2026-04-02T19:03:05.307Z",
    "dateReserved": "2026-03-30T19:17:10.225Z",
    "dateUpdated": "2026-04-03T15:43:40.050Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-6GM8-3G4H-W82M

Summary

Impact

Fix

CVE-2026-34761 (GCVE-0-2026-34761)

Tags

Sightings

Nomenclature