CVE-2026-4531Disclosure

LOWCVSS 6.9 · MEDIUM

Signal is active with 3 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

A weakness has been identified in Free5GC 4.1.0. Affected is the function HandleRegistrationComplete of the file internal/gmm/handler.go of the component AMF. Executing a manipulation can lead to denial of service. The attack may be performed from remote. This patch is called 52e9386401ce56ea773c5aa587d4cdf7d53da799. It is best practice to apply a patch to resolve this issue.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-404

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 3 mentions across 1 observed day

What's happening

  • Technical details provided in 3 signals
  • Disclosure: 2 classified signals
  • General: 1 classified signal
  • 3 total mentions across 1 day

Deep dive

Activity timeline3 mentions / 1d
01223Mentions · 2026-03-22: 3Technical Details · 2026-03-22: 303-22
Signal classification2 categories
Disclosure
266.7%
General
133.3%
Referenced assets3 URLs
Full discourse3 posts
  • CVEarity@CVEarity
    General

    ⚡ New CVE Alert: CVE-2026-4531 📊 Severity: 5.3 🚨 Risk Level: Medium 🧩 Affects: Multiple / Unspecified Products Reference: https://nvd.nist.gov/vuln/detail/CVE-2026-4531 #CVE-2026-4531 #CVE #Medium  #CyberSecurity #InfoSec https://t.co/sogCMhk4kC

    Post summary

    The post announces CVE-2026-4531 as a medium‑severity issue, referencing the NVD entry, without further technical or exploitation details.

    0000033
    111 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-4531 A weakness has been identified in Free5GC 4.1.0. Affected is the function HandleRegistrationComplete of the file internal/gmm/handler.go of the component AMF. Executing… https://www.cve.org/CVERecord?id=CVE-2026-4531

    Post summary

    The statement discloses a new vulnerability (CVE‑2026‑4531) in Free5GC 4.1.0 affecting the AMF component’s HandleRegistrationComplete function, citing a CVE record link but offering no PoC, exploit, patch, or active exploitation evidence.

    0000077
    56.8K followersView on X
  • CyberDudeBivash® | Global Cybersecurity Company@cyberbivash
    Disclosure

    🚨 CYBERDUDEBIVASH SENTINEL APEX ALERT 🚨 Threat: CVE-2026-4531 - Free5GC AMF handler.go HandleRegistrationComplete denial of service Intel Report: https://ift.tt/AqgjrGV

    Post summary

    An alert announces a denial‑of‑service vulnerability (CVE‑2026‑4531) in Free5GC AMF's handler.go, providing technical details but no PoC, exploit code, or patch information.

    0000029
    291 followersView on X

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