CVE-2026-10117
MediumCVSS 4.3Exploitation Probability (EPSS)
Low risk19th percentile - higher than 19% of all known CVEs
Summary
In Open5GS up to version 2.7.7, a denial of service vulnerability exists in the ogs_pool_id_calloc function in /lib/sbi/nghttp2-server.c. The attack can be launched remotely and the exploit has been made public.
Risk Assessment
An attacker can remotely crash the service, causing disruptions in the mobile network and potential loss of availability.
Recommendation
Apply a patch or update to a version of Open5GS that fixes this vulnerability.
Other vulnerabilities in Open5GS
See all- CVE-2026-30045Unknown
An integer overflow in the /nnrf-disc/v1/nf-instances component of open5gs v2.7.6 allows attackers to cause a Denial of Service (DoS) via supplying a crafted HTTP/2 GET request.
- CVE-2026-37198High
An integer overflow in the SMF component of Open5GS v2.7.6 allows attackers to cause a Denial of Service (DoS) via supplying a crafted GTP packet.
- CVE-2026-30047High
A reachable assertion vulnerability in the /nsmf-pdusession/v1/sm-contexts component of Open5GS v2.7.6 allows attackers to cause a Denial of Service (DoS) via supplying a crafted DELETE request.
- CVE-2026-30046High
A reachable assertion vulnerability in the NUDM-UECM interface of Open5GS v2.7.6 allows attackers to cause a Denial of Service (DoS) via supplying a crafted DELETE request.
- CVE-2026-78186Medium
A flaw was found in Open5GS up to version 2.8.0 in an unknown function of src/hss/hss-cx-path.c in the HSS component. Manipulation of the User-Name argument causes a reachable assertion. The attack can be carried out remotely, and the exploit has been published.
- CVE-2026-78158Medium
A flaw has been found in Open5GS 2.8.0 in the unknown code of the AMF UEContextReleaseRequest Path Handler component. Executing a manipulation can lead to improper authorization. The attack can be launched remotely.
- CVE-2026-78157High
A vulnerability was detected in Open5GS 2.8.0 in the pcrf_rx_aar_cb function of src/pcrf/pcrf-rx-path.c in the Rx AA-Request Handler component. Manipulation leads to an out-of-bounds read. The attack can be initiated remotely.
- CVE-2026-78156High
A security vulnerability was detected in Open5GS 2.8.0 in the hss_ogs_diam_s6a_air_cb function of src/hss/hss-s6a-path.c in the S6a Authentication-Information-Request Handler component. Manipulation of the Visited-PLMN-Id argument leads to a heap-based buffer overflow. The attack may be performed remotely.
- CVE-2026-71676High
Buffer overflow vulnerability in Open5GS v.2.7.0 allows a remote attacker to cause a denial of service via the NAS 5GS decoder chain, triggered when the message type byte of a NAS PDU is mutated.
- CVE-2026-71675High
An issue in Open5GS v.2.7.0 allows a remote attacker to cause a denial of service via the ngap_send_to_nas() function in src/amf/ngap-path.c.
Original NVD description (English source)
A weakness has been identified in Open5GS up to 2.7.7. This issue affects the function ogs_pool_id_calloc in the library /lib/sbi/nghttp2-server.c. Executing a manipulation can lead to denial of service. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. It is best practice to apply a patch to resolve this issue.