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CVE-2026-1522

MEDIUM

5.3

Description

A weakness has been identified in Open5GS up to 2.7.6. This vulnerability affects the function sgwc_s5c_handle_modify_bearer_response of the file src/sgwc/s5c-handler.c of the component SGWC. Executing a manipulation can lead to denial of service. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks. This patch is called b19cf6a. Applying a patch is advised to resolve this issue. The issue report is flagged as already-fixed.

CVE Details

CVSS v3.1 Score5.3

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published1/28/2026

Last Modified2/23/2026

Sourcenvd

Honeypot Sightings0

Affected Products

open5gs:open5gs

Weaknesses (CWE)

CWE-404

References

https://github.com/open5gs/open5gs/(cna@vuldb.com)

https://github.com/open5gs/open5gs/commit/b19cf6a(cna@vuldb.com)

https://github.com/open5gs/open5gs/issues/4266(cna@vuldb.com)

https://github.com/open5gs/open5gs/issues/4266#event-21968568116(cna@vuldb.com)

https://github.com/open5gs/open5gs/issues/4266#issue-3794991595(cna@vuldb.com)

https://vuldb.com/?ctiid.343193(cna@vuldb.com)

https://vuldb.com/?id.343193(cna@vuldb.com)

https://vuldb.com/?submit.738371(cna@vuldb.com)

IOC Correlations

No correlations recorded

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