High severity · published May 10, 2026
CVE-2026-8226
Open5GS types.c ogs_pcc_rule_install_flow_from_media denial of service
7.5
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 42% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
Open5GS · Open5gs
2.7.0; 2.7.1; 2.7.2; 2.7.3; 2.7.4; 2.7.5; +2 more · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-8226
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-8226
Product
https://github.com/open5gs/open5gs/
Exploit
https://github.com/open5gs/open5gs/issues/4441
Third Party Advisory
https://vuldb.com/submit/808445
Third Party Advisory
https://vuldb.com/vuln/362443
Permissions Required
https://vuldb.com/vuln/362443/cti
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