PT-2026-41527

Name of the Vulnerable Software and Affected Versions EMQX versions prior to 6.2.0 Description A race condition exists in the QoS 2 PUBLISH Packet Handler component within the apps/emqx/src/emqx persistent session ds.erl file. This issue allows a remote attacker to trigger a race condition, which...

EMQX 竞争条件问题漏洞

EMQX is an MQTT message server provided by the EMQX company. Versions of EMQX 6.2.0 and earlier contained a race condition vulnerability. This vulnerability stemmed from unknown functions in the QoS 2 PUBLISH Packet Handler component, specifically the emqxpersistentsessionds.erl file. Attackers...

OESA-2026-2339 libsoup3 security update

Libsoup is an HTTP library implementation in C. It was originally part of a SOAP Simple Object Access Protocol implementation called Soup, but the SOAP and non-SOAP parts have now been split into separate packages. Security Fixes: A flaw was found in the asynchronous message queue handling of the...

May 12, 2026-KB5087051 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 25H2 and Microsoft server operating system 24H2

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March 10, 2026—Hotpatch KB5078737 (OS Build 20348.4830)

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CVE-2026-8248

A vulnerability was detected in Open5GS up to 2.7.7. The affected element is the function updateauthorizedpccruleandqos of the file /src/smf/npcf-handler.c of the component SMF. The manipulation results in denial of service. The attack may be launched remotely. The exploit is now public and may b...

Quality-of-Service Feature Side Channels

Revisions Revision Date| Description ---|--- 2026-05-12| Initial publication...

CVE-2026-8289

A vulnerability was identified in Open5GS up to 2.7.7. This vulnerability affects the function smfnsmfhandleupdatedatainvsmf of the file /src/smf/nsmf-handler.c of the component SMF. The manipulation of the argument qosFlowProfile leads to denial of service. Remote exploitation of the attack is...

CVE-2026-8289

Technical details (affected software, root cause, impact, and remediation) are not publicly available in the provided documents. Monitor for updates.

CVE-2026-8288

Open5GS SMF vulnerability CVE-2026-8288 affects the gsm_handle_pdu_session_modification_qos_flow_descriptions function in gsm-handler.c. Input manipulation of n1SmMsg can trigger a denial of service, with remote exploitation and a publicly disclosed exploit. A fix is proposed in a pull request aw...

CVE-2026-8270

A vulnerability was determined in Open5GS up to 2.7.7. The affected element is the function ogsnasparseqosrules of the component SMF. Executing a manipulation can lead to denial of service. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized. The proje...

PT-2026-39596

A vulnerability was identified in Open5GS up to 2.7.7. This vulnerability affects the function smf nsmf handle update data in vsmf of the file /src/smf/nsmf-handler.c of the component SMF. The manipulation of the argument qosFlowProfile leads to denial of service. Remote exploitation of the attac...

CVE-2026-8251

A vulnerability was found in Open5GS up to 2.7.7. This impacts the function updateauthorizedpccruleandqos of the file /src/smf/npcf-handler.c of the component SMF. Performing a manipulation results in denial of service. The attack is possible to be carried out remotely. The exploit has been made...

CVE-2026-8251 Open5GS SMF npcf-handler.c update_authorized_pcc_rule_and_qos denial of service

A vulnerability was found in Open5GS up to 2.7.7. This impacts the function updateauthorizedpccruleandqos of the file /src/smf/npcf-handler.c of the component SMF. Performing a manipulation results in denial of service. The attack is possible to be carried out remotely. The exploit has been made...

CVE-2026-8250 Open5GS SMF n4-build.c smf_n4_build_qos_flow_to_modify_list denial of service

A vulnerability has been found in Open5GS up to 2.7.7. This affects the function smfn4buildqosflowtomodifylist of the file /src/smf/n4-build.c of the component SMF. Such manipulation leads to denial of service. The attack can be executed remotely. The exploit has been disclosed to the public and...

CVE-2026-8250 Open5GS SMF n4-build.c smf_n4_build_qos_flow_to_modify_list denial of service

A vulnerability has been found in Open5GS up to 2.7.7. This affects the function smfn4buildqosflowtomodifylist of the file /src/smf/n4-build.c of the component SMF. Such manipulation leads to denial of service. The attack can be executed remotely. The exploit has been disclosed to the public and...

CVE-2026-8249 Open5GS SMF npcf-handler.c update_authorized_pcc_rule_and_qos denial of service

A flaw has been found in Open5GS up to 2.7.7. The impacted element is the function updateauthorizedpccruleandqos of the file /src/smf/npcf-handler.c of the component SMF. This manipulation causes denial of service. Remote exploitation of the attack is possible. The exploit has been published and...

CVE-2026-8249

Open5GS up to version 2.7.7 is affected. The vulnerable element is the function update_authorized_pcc_rule_and_qos in file /src/smf/npcf-handler.c (SMF component). The issue allows remote denial of service through manipulation described in the CVE, with exploitation possible and an exploit publis...

CVE-2026-8249 Open5GS SMF npcf-handler.c update_authorized_pcc_rule_and_qos denial of service

A flaw has been found in Open5GS up to 2.7.7. The impacted element is the function updateauthorizedpccruleandqos of the file /src/smf/npcf-handler.c of the component SMF. This manipulation causes denial of service. Remote exploitation of the attack is possible. The exploit has been published and...

CVE-2026-8248 Open5GS SMF npcf-handler.c update_authorized_pcc_rule_and_qos denial of service

A vulnerability was detected in Open5GS up to 2.7.7. The affected element is the function updateauthorizedpccruleandqos of the file /src/smf/npcf-handler.c of the component SMF. The manipulation results in denial of service. The attack may be launched remotely. The exploit is now public and may b...