PT-2026-28707 · Open5Gs · Open5Gs

Ziyulin · Publicado 2026-03-27 · Atualizado 2026-03-28 · CVE-2026-4988

Positive Technologies (AI Summary)

CVSS v3.1

5.9

Média

Vetor base

AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Open5GS version 2.7.6

Description A security flaw exists in Open5GS 2.7.6, specifically within the CCA Message Handler component and the smf gx cca cb/smf gy cca cb/smf s6b function. This manipulation can lead to a denial of service. The attack can be initiated remotely and is considered highly complex with difficult exploitability. The exploit has been publicly released.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Resource Release

Enumeração de Fraquezas

CWE-404

Identificadores relacionados

CVE-2026-4988

Produtos afetados

Open5Gs

Referências · 8

• 🔥 https://github.com/open5gs/open5gs/issues/4342 · Exploit
• 🔥 https://github.com/open5gs/open5gs/issues/4342#issue-4021772232 · Exploit
• 🔥 https://vuldb.com/?submit.771349 · Exploit
• https://vuldb.com/?ctiid.353875 · Nota
• https://github.com/open5gs/open5gs · Nota
• https://nvd.nist.gov/vuln/detail/CVE-2026-4988 · Nota de Segurança
• https://vuldb.com/?id.353875 · Nota
• https://twitter.com/CVEnew/status/2037719357716144594 · Publicação no Twitter