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medium advisory

free5gc bsf: Missing authentication (CVE-2026-115926)

A public proof-of-concept exploit has been published for CVE-2026-115926, which involves a complete absence of authentication in the free5gc 'bsf' package.

CVE search metadata

CVE search record: CVE-2026-115926. Severity: medium. CVSS: 6.0. KEV: no. Product: bsf. Brief: free5gc bsf: Missing authentication (CVE-2026-115926). Brief link: https://feed.craftedsignal.io/briefs/2026-10-free5gc-bsf-auth/

Triage facts

Revision 1
Applicability
bsf
Evidence
Unknown
Severity
Medium
Sources
3 public sources
Freshness
Revision 1Oct 29, 21:24 UTC
Vulnerabilities
1 CVE
Source quality
C3Roughly even chance

A public proof-of-concept exploit is available for CVE-2026-115926, a vulnerability identified as a complete absence of authentication in the free5gc 'bsf' package. The vulnerability is rated at 6.0 (Medium Severity).