CVE-2026-82590

MEDIUM 4.3

Open5GS SMF nudm-handler.c smf_nudm_sdm_handle_get assertion

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-617
Vendor	n/a
Product	open5gs
Published	Aug 30, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

n/a / Open5GS

2.7.0 2.7.1 2.7.2 2.7.3 2.7.4 2.7.5 2.7.6 2.7.7

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 ZiyuLin (VulDB User)