CVE-2026-2521

MEDIUM

Open5GS <=2.7.6 - Memory Corruption

Title source: llm
STIX 2.1

Description

A weakness has been identified in Open5GS up to 2.7.6. This issue affects the function sgwc_s5c_handle_create_session_response of the component SGW-C. Executing a manipulation can lead to memory corruption. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

References (6)

Core 6
Core References
Permissions Required, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.346109
Permissions Required, VDB Entry signature permissions-required
https://vuldb.com/?ctiid.346109
Permissions Required, VDB Entry third-party-advisory
https://vuldb.com/?submit.738334
Issue Tracking issue-tracking
https://github.com/open5gs/open5gs/issues/4282
Various Sources product
https://github.com/open5gs/open5gs/

Scores

CVSS v3 5.3
EPSS 0.0005
EPSS Percentile 16.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-119
Status published
Products (1)
open5gs/open5gs < 2.7.6
Published Feb 15, 2026
Tracked Since Feb 18, 2026