CVEvulnerability
CVE-2026-91855
5.5 MEDIUM
Official page ↗
- Status
- Deferred
- Published
- 2026-09-15
- Last modified
- 2026-09-16
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 5.5 MEDIUM — 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
- CVSS 3.1 ([email protected])
- 5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-404
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.
Related
Weakness · CWE (1)
- CWE-404 Improper Resource Shutdown or Release weakness
References
- https://github.com/open5gs/open5gs/ github.com
- https://github.com/open5gs/open5gs/commit/028e1dbb5e3271035ccee906ef417a97fc523f71 github.com
- https://github.com/open5gs/open5gs/issues/4699 github.com
- https://vuldb.com/cve/CVE-2026-91855 vuldb.com
- https://vuldb.com/submit/933834 vuldb.com
- https://vuldb.com/vuln/404086 vuldb.com
- https://vuldb.com/vuln/404086/cti vuldb.com