CVE-2026-91855

Description

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.

References

https://vuldb.com/vuln/404086/cti

https://vuldb.com/vuln/404086

https://vuldb.com/submit/933834

https://vuldb.com/cve/CVE-2026-91855

https://github.com/open5gs/open5gs/issues/4699

https://github.com/open5gs/open5gs/commit/028e1dbb5e3271035ccee906ef417a97fc523f71

https://github.com/open5gs/open5gs/

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

CVSS v4

EPSS