CVE-2026-82590
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
Propose a mitigation on Community Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
References
- https://github.com/open5gs/open5gs/
- https://github.com/open5gs/open5gs/commit/4554405f29bffd7562abedbee63484825bd90cd5
- https://github.com/open5gs/open5gs/issues/4455
- https://github.com/open5gs/open5gs/releases/tag/v2.8.0
- https://vuldb.com/cve/CVE-2026-82590
- https://vuldb.com/submit/891893
- https://vuldb.com/vuln/397085
- https://vuldb.com/vuln/397085/cti
CWEs
CWE-617
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.