CVE-2026-2523 | THREATINT

Description

A vulnerability was detected in Open5GS up to 2.7.6. The affected element is the function smf_gn_handle_create_pdp_context_request of the file /src/smf/gn-handler.c of the component SMF. The manipulation results in reachable assertion. It is possible to launch the attack remotely. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

PUBLISHED Reserved 2026-02-15 | Published 2026-02-16 | Updated 2026-02-23 | Assigner VulDB

MEDIUM: 6.9CVSS: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

MEDIUM: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

MEDIUM: 5.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

5.0AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:ND/RC:UR

Problem types

Reachable Assertion

Timeline

2026-02-15:	Advisory disclosed
2026-02-15:	VulDB entry created
2026-02-20:	VulDB entry last update

Credits

LinZiyu (VulDB User) reporter

References

vuldb.com/?id.346111 (VDB-346111 | Open5GS SMF gn-handler.c smf_gn_handle_create_pdp_context_request assertion) vdb-entry technical-description

vuldb.com/?ctiid.346111 (VDB-346111 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.738342 (Submit #738342 | Open5GS SMF v2.7.6 Denial of Service) third-party-advisory

github.com/open5gs/open5gs/issues/4285 issue-tracking

github.com/open5gs/open5gs/issues/4285 exploit issue-tracking

github.com/open5gs/open5gs/ product

cve.org (CVE-2026-2523)

nvd.nist.gov (CVE-2026-2523)

Download JSON