Open5GS PFCP Message handler.c denial of service
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 6.9epss 0.4%
exploitation probability
0.4%top 64% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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.
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
Affected products
n/a · Open5GSpublic PoCs found — 1
cve_referencegithub.com/open5gs/open5gs/issues/4699unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
https://github.com/open5gs/open5gs/https://github.com/open5gs/open5gs/commit/028e1dbb5e3271035ccee906ef417a97fc523f71https://github.com/open5gs/open5gs/issues/4699https://vuldb.com/cve/CVE-2026-91855https://vuldb.com/submit/933834https://vuldb.com/vuln/404086https://vuldb.com/vuln/404086/cti