Medium 4.3Published Aug 24, 2026

CVE-2026-78186Open5GS HSS hss-cx-path.c assertion

Updated under an hour ago (Oct 28, 2026, 5:50 AM ET)

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It affects n/a Open5GS. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for n/a Open5GS

Exploited in the last 30 days

A flaw has been found in Open5GS up to 2.8.0. This affects an unknown function of the file src/hss/hss-cx-path.c of the component HSS. This manipulation of the argument User-Name causes reachable assertion. The attack is possible to be carried out remotely. The exploit has been published and may be used. Patch name: c9abe09421eb99bbf1cd7862a3d375e58a4eb9e4. It is recommended to apply a patch to fix this issue.

CVSS: 4.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
Weakness (CWE): CWE-617
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Aug 24, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

n/a Open5GS open5gs:open5gs	2.0; 2.1; 2.2; 2.3; 2.4; 2.5; 2.6; 2.7; and 1 more ranges	CNA record

References

References

https://vuldb.com/vuln/394568	vdb-entry, technical-description
https://vuldb.com/vuln/394568/cti	signature, permissions-required
https://vuldb.com/cve/CVE-2026-78186	third-party-advisory
https://vuldb.com/submit/885203	third-party-advisory
https://github.com/open5gs/open5gs/issues/4675	exploit, issue-tracking
https://github.com/open5gs/open5gs/commit/c9abe09421eb99bbf1cd7862a3d375e58a4eb9e4	patch
https://github.com/open5gs/open5gs/	product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.