CVE-2026-15720: high-severity vulnerability in open5gs
Pre-auth heap out-of-bounds read in the AMF NAS 5GS mobile-identity handler
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.6epss 0.5%
In Open5GS through version 2.7.7 a pre-authentication heap out-of-bounds read in the AMF NAS 5GS mobile-identity handler may result in subscriber-wide denial of service.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Affected products
open5gs · open5gsRelated CVEs — open5gs
In the same product, most dangerous first.
CVE-2026-108105HIGHOpen5GS through 2.8.0 MME Reachable Assertion via GTPv1 SGSN Context RequestEPSS 0.5%CVE-2026-116543HIGHOpen5GS 1.3.0 through 2.8.0 Heap Out-of-Bounds Write via SBI Multipart ParserEPSS 0.4%CVE-2026-108103MEDIUMOpen5GS through 2.8.0 Heap Out-of-Bounds Read via PFCP Dropped DL Traffic Threshold IEEPSS 0.4%CVE-2026-108102MEDIUMOpen5GS through 2.8.0 Heap Out-of-Bounds Read via PFCP Volume Measurement IEEPSS 0.4%CVE-2026-116544MEDIUMOpen5GS 2.6.1 through 2.8.0 Out-of-Bounds Read via parse_scheme_outputEPSS 0.4%