CVE-2026-82590

Source
https://cve.org/CVERecord?id=CVE-2026-82590
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-82590.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-82590
Published
2026-08-30T22:30:11Z
Modified
2026-10-28T11:18:38Z
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 SMF nudm-handler.c smf_nudm_sdm_handle_get assertion
Details

A weakness has been identified in Open5GS up to 2.7.7. The affected element is the function smf_nudm_sdm_handle_get of the file src/smf/nudm-handler.c of the component SMF. Executing a manipulation of the argument preemptCap can lead to reachable assertion. The attack may be launched remotely. Upgrading to version 2.8.0 is sufficient to fix this issue. This patch is called 4554405f29bffd7562abedbee63484825bd90cd5. You should upgrade the affected component.

Database specific
{
    "cna_assigner": "VulDB",
    "cwe_ids": [
        "CWE-617"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82590.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": [
                {
                    "introduced": "2.7.7"
                },
                {
                    "last_affected": "2.7.7"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "fixed": "4554405f29bffd7562abedbee63484825bd90cd5"
                }
            ],
            "source": "REFERENCES_COMMIT"
        },
        {
            "original_tag": "v2.8.0",
            "range": [
                {
                    "fixed": "157f611a530e292e40ec50f9d23f0ef5d4fcd6a6"
                }
            ],
            "source": "REFERENCES_TAG"
        }
    ]
}

Affected versions

2.*
2.7.0
2.7.1
2.7.2
2.7.5
2.7.6
2.7.7
v2.*
v2.7.0
v2.7.1
v2.7.2
v2.7.7

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-82590.json"
vanir_signatures
[
    {
        "deprecated": false,
        "digest": {
            "function_hash": "269989511999798805408776959487049030916",
            "length": 1584
        },
        "id": "CVE-2026-82590-3271f6be",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/open5gs/open5gs/commit/157f611a530e292e40ec50f9d23f0ef5d4fcd6a6",
        "target": {
            "file": "tests/common/context.c",
            "function": "test_db_insert_ue"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "89714231803210300349029899902762723787",
                "216254685653352833187689837665217332085",
                "335816294610166792862992334015549679232",
                "45647755495410842334388829683427303171",
                "300040392950149666439873900614186251387",
                "44008193511893640358241655468743290907",
                "101891682352354475027959434028209490796",
                "45647755495410842334388829683427303171"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2026-82590-79321a86",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/open5gs/open5gs/commit/157f611a530e292e40ec50f9d23f0ef5d4fcd6a6",
        "target": {
            "file": "tests/common/context.c"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "function_hash": "282754978359090755822550112781554459360",
            "length": 8411
        },
        "id": "CVE-2026-82590-8e761944",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/open5gs/open5gs/commit/4554405f29bffd7562abedbee63484825bd90cd5",
        "target": {
            "file": "src/smf/nudm-handler.c",
            "function": "smf_nudm_sdm_handle_get"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "13670954421577463282614854307106837692",
                "68386743934614122915530000309943372734",
                "307435294826656885429427070035608026412",
                "196724408439031209333121585314913160518",
                "238151264661756252838181343266542701287",
                "257955280968717005666993956276319597920",
                "34632011833808292748505163552896450610",
                "323834225720042893694891229507994962416",
                "329397806509085839600555821919025445106",
                "221185434686963644885723888729975125367",
                "266961930735723933530033539141030355935",
                "62850239752200469972557854292232540433",
                "139001994912972410097790460848156968487",
                "321803297248836393343563794053497796727",
                "28049310975317151493508402846460745839",
                "5665490572233985671483204700697399694",
                "332007451518294697027142834870726877305",
                "270215871633638087889196050272141192628",
                "65221202539183675254572260247373955930",
                "63202674869640520871887538172651143368"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2026-82590-d087aca3",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/open5gs/open5gs/commit/4554405f29bffd7562abedbee63484825bd90cd5",
        "target": {
            "file": "src/smf/nudm-handler.c"
        }
    }
]
vanir_signatures_modified
"2026-10-28T11:18:38Z"