CVE-2026-119757criticalobserved exploitationCWE-522CWE-552

CVE-2026-119757: critical vulnerability in BTCPay Server

BTCPay Server < 2.4.2 LND Macaroon Credential File Disclosure

Published

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50Vexday Risk Score

Prioritize patching. It exploitation observed by VulnCheck.

ssvc Actcvss 9.3epss 0.5%
from disclosure to weapon
Published on NVDNov 5
VulnCheckNov 5
BTCPay Server before 2.4.2, including 2.4.2 release candidates, contains an information disclosure vulnerability that allows unauthenticated remote attackers to retrieve .macaroon credential files for an LND (Lightning Network Daemon) node. Attackers can use the exposed macaroon to gain full control of the LND node, including moving funds, resulting in theft of funds from affected deployments.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
BTCPay Server · BTCPay Server