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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Open5gs
  • Open5gs

No data.

No data.

References
Link Providers
https://github.com/open5gs/open5gs/ cve-icon cve-icon
https://github.com/open5gs/open5gs/commit/4554405f29bffd7562abedbee63484825bd90cd5 cve-icon cve-icon
https://github.com/open5gs/open5gs/issues/4455 cve-icon cve-icon
https://github.com/open5gs/open5gs/releases/tag/v2.8.0 cve-icon cve-icon
https://vuldb.com/cve/CVE-2026-82590 cve-icon cve-icon
https://vuldb.com/submit/891893 cve-icon cve-icon
https://vuldb.com/vuln/397085 cve-icon cve-icon
https://vuldb.com/vuln/397085/cti cve-icon cve-icon
History

Mon, 31 Aug 2026 22:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Sun, 30 Aug 2026 22:45:00 +0000

Type Values Removed Values Added
Description 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.
Title Open5GS SMF nudm-handler.c smf_nudm_sdm_handle_get assertion
First Time appeared Open5gs
Open5gs open5gs
Weaknesses CWE-617
CPEs cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*
Vendors & Products Open5gs
Open5gs open5gs
References
Metrics cvssV2_0

{'score': 4, 'vector': 'AV:N/AC:L/Au:S/C:N/I:N/A:P/E:ND/RL:OF/RC:C'}

cvssV3_0

{'score': 4.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C'}

cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C'}

cvssV4_0

{'score': 5.3, 'vector': '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'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2026-08-30T22:30:11.286Z

Updated: 2026-08-31T22:04:12.430Z

Reserved: 2026-08-30T06:09:55.417Z

Link: CVE-2026-82590

cve-icon Vulnrichment

Updated: 2026-08-31T20:00:58.344Z

cve-icon NVD

Status : Deferred

Published: 2026-08-30T23:17:07.967

Modified: 2026-08-31T22:17:25.630

Link: CVE-2026-82590

cve-icon Redhat

No data.