CVE-2026-2522 | THREATINT

Description

A security vulnerability has been detected in Open5GS up to 2.7.6. Impacted is an unknown function of the file /src/mme/esm-build.c of the component MME. The manipulation leads to memory corruption. It is possible to initiate the attack remotely. The exploit has been disclosed publicly 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 2026-02-15 | 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

Memory Corruption

Timeline

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

Credits

FrankyLin (VulDB User) reporter

References

vuldb.com/?id.346110 (VDB-346110 | Open5GS MME esm-build.c memory corruption) vdb-entry technical-description

vuldb.com/?ctiid.346110 (VDB-346110 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.738336 (Submit #738336 | Open5GS MME v2.7.6 Buffer Overflow) third-party-advisory

github.com/open5gs/open5gs/issues/4283 issue-tracking

github.com/open5gs/open5gs/issues/4283 exploit issue-tracking

github.com/open5gs/open5gs/ product

cve.org (CVE-2026-2522)

nvd.nist.gov (CVE-2026-2522)

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