CVE-2026-8226
Open5GS types.c ogs_pcc_rule_install_flow_from_media denial of service
- State
- Published
- Severity
- 6.9 Medium
- Published
- May 10, 2026
- Updated
- May 11, 2026
- Reserved
- May 9, 2026
Description
A security flaw has been discovered in Open5GS up to 2.7.7. This vulnerability affects the function ogs_pcc_rule_install_flow_from_media in the library /lib/proto/types.c. The manipulation results in denial of service. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R | VulDB |
| 3.0 | 5.3 Medium | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 5.0 Medium | AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
- CWE-404 Denial of Service
Affected Products
| Product | Versions |
|---|---|
Open5GSn/a |
|
References
- VDB-362443 | Open5GS types.c ogs_pcc_rule_install_flow_from_media denial of servicevdb-entrytechnical-description
- VDB-362443 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #808445 | Open5gs PCF v2.7.7 Denial of Servicethird-party-advisory
- https://github.com/open5gs/open5gs/issues/4441exploitissue-tracking
- https://github.com/open5gs/open5gs/product
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