CVE-2026-78186
Open5GS HSS hss-cx-path.c assertion
- State
- Published
- Severity
- 5.3 Medium
- Published
- Aug 24, 2026
- Updated
- Aug 24, 2026
- Reserved
- Aug 23, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 4.3 Medium | 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 | VulDB |
| 3.0 | 4.3 Medium | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C | VulDB |
| 2.0 | 4.0 Medium | AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C | VulDB |
Weaknesses
- CWE-617 Reachable Assertion
Affected Products
| Product | Versions |
|---|---|
Open5GSn/a |
|
References
- VDB-394568 | Open5GS HSS hss-cx-path.c assertionvdb-entrytechnical-description
- VDB-394568 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-78186 | CVE Analysis and Reportthird-party-advisory
- Submit #885203 | open5gs Open5GS 2.8.0 and earlier Reachable Assertionthird-party-advisory
- https://github.com/open5gs/open5gs/issues/4675exploitissue-tracking
- https://github.com/open5gs/open5gs/commit/c9abe09421eb99bbf1cd7862a3d375e58a4eb9e4patch
- https://github.com/open5gs/open5gs/product
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