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CVE-2026-78186

Open5GS HSS hss-cx-path.c assertion

MEDIUM
4.3
CVSS Score
Published: August 24, 2026 at 04:15 AM UTC
Updated: October 14, 2026 at 01:10 PM UTC
1 product affected across 1 vendorOpen5GS

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.5%
SSVC
PoC

Description

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.

Affected

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

Remediation

No guide yet

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

Patch and advisory references

References (7)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/394568
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/394568/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-78186
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/885203
ExploitIssue Tracking
Source: cverecord
https://github.com/open5gs/open5gs/issues/4675
Patch
Source: cverecord
https://github.com/open5gs/open5gs/commit/c9abe09421eb99bbf1cd7862a3d375e58a4eb9e4
Product
Source: cverecord
https://github.com/open5gs/open5gs/

SSVC — Action Prioritization

SSVCPoCNot 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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