CVE-2026-82590

Open5GS SMF nudm-handler.c smf_nudm_sdm_handle_get assertion

State: Published
Severity: 5.3 Medium
Published: Aug 30, 2026
Updated: Aug 31, 2026
Reserved: Aug 30, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	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	VulDB
3.1	4.3 Medium	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	VulDB
3.0	4.3 Medium	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	VulDB
2.0	4.0 Medium	AV:N/AC:L/Au:S/C:N/I:N/A:P/E:ND/RL:OF/RC:C	VulDB

Weaknesses

CWE-617 Reachable Assertion

Affected Products

Product	Versions
Open5GSn/a	2.7.0Affected 2.7.1Affected 2.7.2Affected 2.7.3Affected 2.7.4Affected 2.7.5Affected 2.7.6Affected 2.7.7Affected 2.8.0Not affected

References

VDB-397085 | Open5GS SMF nudm-handler.c smf_nudm_sdm_handle_get assertionvdb-entrytechnical-description
VDB-397085 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
CVE-2026-82590 | CVE Analysis and Reportthird-party-advisory
Submit #891893 | Open5gs SMF v2.7.7 Denial of Servicethird-party-advisory
https://github.com/open5gs/open5gs/issues/4455issue-tracking
https://github.com/open5gs/open5gs/commit/4554405f29bffd7562abedbee63484825bd90cd5patch
https://github.com/open5gs/open5gs/releases/tag/v2.8.0patch
https://github.com/open5gs/open5gs/product

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