CVE-2026-49838

GoBGP , an open-source BGP implementation in Go, is vulnerable to a denial-of-service in its BGP UPDATE validator prior to version 4.7.0 . When a confederation eBGP peer sends a malformed UPDATE containing a zero-length AS_PATH , the attribute passes initial decoding but triggers an unchecked p.V...

CVE-2026-49838 GoBGP confederation validation panics on empty AS_PATH attribute

GoBGP is an open source Border Gateway Protocol BGP implementation in the Go Programming Language. Prior to version 4.7.0, GoBGP accepts a zero-length ASPATH during UPDATE decoding and later panics while validating that attribute for a confederation eBGP peer. The vulnerable path is in the BGP...

CVE-2026-49838 GoBGP confederation validation panics on empty AS_PATH attribute

GoBGP is an open source Border Gateway Protocol BGP implementation in the Go Programming Language. Prior to version 4.7.0, GoBGP accepts a zero-length ASPATH during UPDATE decoding and later panics while validating that attribute for a confederation eBGP peer. The vulnerable path is in the BGP...