CVE-2026-7601

Source
https://cve.org/CVERecord?id=CVE-2026-7601
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-7601.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-7601
Published
2026-05-02T02:00:17Z
Modified
2026-10-21T10:42:53Z
Severity
  • 5.3 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X CVSS Calculator
Summary
Open5GS AMF gmm-handler.c denial of service
Details

A vulnerability has been found in Open5GS up to 2.7.6. Affected is an unknown function of the file src/amf/gmm-handler.c of the component AMF. The manipulation of the argument reg_type leads to denial of service. The attack is possible to be carried out remotely. Upgrading to version 2.7.7 is able to address this issue. The identifier of the patch is ebc66942b6f8f1fab2d640e71cf4e9f1a423b426. It is advisable to upgrade the affected component.

Database specific
{
    "cna_assigner":  "VulDB",
    "cwe_ids":  [
        "CWE-404"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/7xxx/CVE-2026-7601.json",
    "unresolved_ranges":  [
        {
            "extracted_events":  [
                {
                    "range":  [
                        {
                            "introduced":  "2.7.3"
                        },
                        {
                            "last_affected":  "2.7.3"
                        },
                        {
                            "introduced":  "2.7.4"
                        },
                        {
                            "last_affected":  "2.7.4"
                        }
                    ],
                    "source":  "AFFECTED_FIELD",
                    "strategy":  "StandaloneSingleVersion"
                }
            ]
        }
    ]
}
References

Affected packages

Git / github.com/open5gs/open5gs

Affected ranges

Type
GIT
Repo
https://github.com/open5gs/open5gs
Events
Database specific
Show details
{
    "extracted_events":  [
        {
            "range":  [
                {
                    "introduced":  "2.7.0"
                },
                {
                    "last_affected":  "2.7.0"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandaloneSingleVersion"
        },
        {
            "range":  [
                {
                    "introduced":  "2.7.1"
                },
                {
                    "last_affected":  "2.7.1"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandaloneSingleVersion"
        },
        {
            "range":  [
                {
                    "introduced":  "2.7.2"
                },
                {
                    "last_affected":  "2.7.2"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandaloneSingleVersion"
        },
        {
            "range":  [
                {
                    "introduced":  "2.7.5"
                },
                {
                    "last_affected":  "2.7.5"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandaloneSingleVersion"
        },
        {
            "range":  [
                {
                    "introduced":  "2.7.6"
                },
                {
                    "last_affected":  "2.7.6"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandaloneSingleVersion"
        },
        {
            "range":  [
                {
                    "fixed":  "ebc66942b6f8f1fab2d640e71cf4e9f1a423b426"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        },
        {
            "original_tag":  "v2.7.7",
            "range":  [
                {
                    "fixed":  "318eeb49a7dcdff733dec60e02d9c60aefca2fb9"
                }
            ],
            "source":  "REFERENCES_TAG"
        }
    ]
}

Affected versions

2.*
2.7.0
2.7.1
2.7.2
2.7.5
2.7.6
v2.*
v2.7.0
v2.7.1
v2.7.2

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-7601.json"
vanir_signatures
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        "source":  "https://github.com/open5gs/open5gs/commit/ebc66942b6f8f1fab2d640e71cf4e9f1a423b426",
        "target":  {
            "file":  "src/amf/gmm-handler.c"
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    },
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        "digest":  {
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            "length":  883
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        "target":  {
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            "function":  "gmm_handle_registration_request"
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vanir_signatures_modified
"2026-10-21T10:42:53Z"