HOMEVULNERABILITIESCVE-2026-7535
MEDIUM

CVE-2026-7535

CWE-404Published: May 1, 2026· Updated: May 1, 2026

4.3
CVSS v3.1
EPSS:0.06%probability of exploitation in 30 daysPercentile:17.6th

Official Description

A vulnerability was found in Open5GS up to 2.7.7. This affects the function amf_namf_comm_handle_registration_status_update_request in the library /lib/app/ogs-init.c of the file /namf-comm/v1/ue-contexts/{ueContextId}/transfer-update. Performing a manipulation of the argument ueContextId results in denial of service. The attack can be initiated remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.

NVD Source

Technical Analysis

CVE-2026-7535 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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All References (6)

Quick Facts

CVE IDCVE-2026-7535
CVSS Score4.3 / 10
SeverityMEDIUM
WeaknessCWE-404
CISA KEVNo
EPSS (30d)0.06%
PublishedMay 1, 2026

Related CVEs (CWE-404)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-7535 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.