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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
n/a Open5GS affected
Version Status Constraints
2.7.0 affected —
2.7.1 affected —
2.7.2 affected —
2.7.3 affected —
2.7.4 affected —
2.7.5 affected —
2.7.6 affected —

No data.

No data.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/open5gs/open5gs/ cve-icon cve-icon
https://github.com/open5gs/open5gs/issues/4282 cve-icon cve-icon
https://github.com/open5gs/open5gs/issues/4282#issue-3807902188 cve-icon cve-icon
https://vuldb.com/?ctiid.346109 cve-icon cve-icon
https://vuldb.com/?id.346109 cve-icon cve-icon
https://vuldb.com/?submit.738334 cve-icon cve-icon
History

Sun, 15 Feb 2026 23:15:00 +0000

Type Values Removed Values Added
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.
Title Open5GS SGW-C sgwc_s5c_handle_create_session_response memory corruption
Weaknesses CWE-119
References
Metrics cvssV2_0

{'score': 5, 'vector': 'AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 5.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 6.9, 'vector': '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-02-15T23:02:07.287Z

Reserved: 2026-02-15T08:36:09.388Z

Link: CVE-2026-2521

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-02-15T23:16:05.803

Modified: 2026-02-15T23:16:05.803

Link: CVE-2026-2521

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses