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CVE-2026-82590

Open5GS SMF nudm-handler.c smf_nudm_sdm_handle_get assertion

MEDIUM
4.3
CVSS Score
Published: August 30, 2026 at 10:30 PM UTC
Updated: August 31, 2026 at 10:17 PM UTC
1 product affected across 1 vendorOpen5GS

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Open5GS· OPEN5GS
95%
2.7.02.7.12.7.22.7.32.7.42.7.52.7.62.7.7
Vendor states this is fixed in 2.8.0 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (8)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/397085
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/397085/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-82590
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/891893
Issue Tracking
Source: cverecord
https://github.com/open5gs/open5gs/issues/4455
Patch
Source: cverecord
https://github.com/open5gs/open5gs/commit/4554405f29bffd7562abedbee63484825bd90cd5
Patch
Source: cverecord
https://github.com/open5gs/open5gs/releases/tag/v2.8.0
Product
Source: cverecord
https://github.com/open5gs/open5gs/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-617

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