5.5

CVE-2026-91855

Exploit

Open5GS PFCP Message handler.c denial of service

A security flaw has been discovered in Open5GS up to 2.7.7. Affected by this vulnerability is an unknown functionality of the file lib/pfcp/handler.c of the component PFCP Message Handler. 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 patch is named 028e1dbb5e3271035ccee906ef417a97fc523f71. Applying a patch is the recommended action to fix this issue. CVE-2025-29339 describes a different assertion failure vulnerability in Open5GS UPF.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
Herstellern/a
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Produkt Open5GS
Version 2.7.0
Status affected
Version 2.7.1
Status affected
Version 2.7.2
Status affected
Version 2.7.3
Status affected
Version 2.7.4
Status affected
Version 2.7.5
Status affected
Version 2.7.6
Status affected
Version 2.7.7
Status affected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.42% 0.356
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
cna@vuldb.com 5.5 0 0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
cna@vuldb.com 5.3 3.9 1.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
cna@vuldb.com 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:N/A:P
CWE-404 Improper Resource Shutdown or Release

The product does not release or incorrectly releases a resource before it is made available for re-use.

https://github.com/open5gs/open5gs/
https://vuldb.com/vuln/404086
https://vuldb.com/vuln/404086/cti
https://vuldb.com/cve/CVE-2026-91855
https://vuldb.com/submit/933834
https://github.com/open5gs/open5gs/issues/4699
https://github.com/open5gs/open5gs/commit/028e1dbb5e3271035ccee906ef417a97fc523f71