VulnSocial

CVE-2026-7779Disclosure

LOWCVSS 2.1 · LOW

Signal is active with 1 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 security flaw has been discovered in Open5GS up to 2.7.7. Affected is the function udm_nudr_dr_handle_subscription_authentication of the file /src/udm/nudr-handler.c of the component authentication-subscription Endpoint. Performing a manipulation results in denial of service. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-404

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

STABLE

Threat summary

  • 3 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 1 signal
  • Disclosure: 3 classified signals
  • Peaked 1d ago at 2 mentions (2026-05-04); latest day: 1
  • 3 total mentions across 2 days

Deep dive

Activity timeline3 mentions / 2d
01122Mentions · 2026-05-04: 2Mentions · 2026-05-05: 1Technical Details · 2026-05-05: 105-0405-05
Signal classification1 categories
Disclosure
3100.0%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-05-042
Disclosure2
2026-05-051
Disclosure1
Full discourse3 posts
  • CVE@CVEnew
    Disclosure

    CVE-2026-7779 A security flaw has been discovered in Open5GS up to 2.7.7. Affected is the function udm_nudr_dr_handle_subscription_authentication of the file /src/udm/nudr-handler.c … https://www.cve.org/CVERecord?id=CVE-2026-7779

    Post summary

    A new CVE (CVE-2026-7779) has been identified in Open5GS up to 2.7.7, affecting the function udm_nudr_dr_handle_subscription_authentication; no PoC, exploit, patch, or active exploitation details are shared.

    00010167
    57.4K followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-7779 Denial of Service Vulnerability in Open5GS Authentication-Subscription Endpoint Up to 2.7.7 https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-7779

    Post summary

    The post announces a new Denial of Service vulnerability affecting Open5GS Authentication-Subscription Endpoint versions up to 2.7.7.

    0000054
    4.0K followersView on X
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-7779 A security flaw has been discovered in Open5GS up to 2.7.7. Affected is the function udm_nudr_dr_handle_subscription_authentication of the file /src/udm/nudr-handler.c … https://www.cve.org/CVERecord?id=CVE-2026-7779 ----- Traducción: CVE-2026-7779 Se … http://infoflow.cloud`

    Post summary

    The post announces the discovery of CVE-2026-7779 affecting Open5GS up to version 2.7.7, identifying the vulnerable function but providing no exploitation details, patch information, or false‑positive claim.

    0000042
    75 followersView on X

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