Open5GS SGWC s5c-handler.c denial of service_CVE-2026-1521

6.9 / 10

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

Description

A security flaw has been discovered in Open5GS up to 2.7.6. This affects the function sgwc_s5c_handle_bearer_resource_failure_indication of the file src/sgwc/s5c-handler.c of the component SGWC. Performing a manipulation results in denial of service. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. The patch is named 69b53add90a9479d7960b822fc60601d659c328b. It is recommended to apply a patch to fix this issue.

Basic Information

ID CVE-2026-1521

Source VulDB

Published Jan 28, 2026 at 14:32

Modified Jan 28, 2026 at 16:12

Affected Product

Vendor n/a

Product Open5GS

Version 2.7.0

Affected Versions n/a Open5GS 2.7.0
n/a Open5GS 2.7.1
n/a Open5GS 2.7.2
n/a Open5GS 2.7.3
n/a Open5GS 2.7.4
n/a Open5GS 2.7.5
n/a Open5GS 2.7.6

CWE Classification

CWE-404

References

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    "lastseen": "",
    "description": "A security flaw has been discovered in Open5GS up to 2.7.6. This affects the function sgwc_s5c_handle_bearer_resource_failure_indication of the file src/sgwc/s5c-handler.c of the component SGWC. Performing a manipulation results in denial of service. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. The patch is named 69b53add90a9479d7960b822fc60601d659c328b. It is recommended to apply a patch to fix this issue.",
    "published": "2026-01-28T14:32:10.348Z",
    "modified": "2026-01-28T16:12:00.256Z",
    "type": "cve",
    "title": "Open5GS SGWC s5c-handler.c denial of service",
    "source": "VulDB",
    "references": "https://vuldb.com/?id.343192\nhttps://vuldb.com/?ctiid.343192\nhttps://vuldb.com/?submit.738370\nhttps://github.com/open5gs/open5gs/issues/4268\nhttps://github.com/open5gs/open5gs/issues/4268#event-21989483261\nhttps://github.com/open5gs/open5gs/issues/4268#issue-3795012861\nhttps://github.com/open5gs/open5gs/commit/69b53add90a9479d7960b822fc60601d659c328b",
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