CVE-2026-119757
BTCPay Server < 2.4.2 LND Macaroon Credential File Disclosure
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
BTCPay Server < 2.4.2 LND Macaroon Credential File Disclosure
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.
- Record
CVE-2026-119757- CVSS 4.0
- 9.3 Critical
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 - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-552, CWE-522
- Updated
- 2026-11-05
EUVDEUVD-2026-117807
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.
- Record
EUVD-2026-117807- CVSS 4.0
- 9.3 Critical
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 - Updated
- 2026-11-06
GitHub AdvisoriesGHSA-87gv-mpgp-xpp2
BTCPay Server before 2.4.2, including 2.4.2 release candidates, contains an information...
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.
- Record
GHSA-87gv-mpgp-xpp2- CVSS 4.0
- 9.3 Critical
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/E:X/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
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-522
- Updated
- 2026-11-06
NVD
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.
- Record
CVE-2026-119757- CVSS 4.0
- 9.3 Critical
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/E:X/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
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-522, CWE-552
- Updated
- 2026-11-05
OSV
BTCPay Server < 2.4.2 LND Macaroon Credential File Disclosure
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.
- Record
CVE-2026-119757- CVSS 4.0
- 9.3 Critical
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 - Weakness
- CWE-522, CWE-552
- Updated
- 2026-11-07
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| references | OSV | |
| published | EUVD | |
| aliases, references | GitHub Advisories, NVD | |
| aliases, published | EUVD | |
| first indexed | CVE List |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-119757 is a critical vulnerability (CVSS 9.3) in Btcpay Server Server, published November 5, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.54%, the 45th percentile. No source names a fixed version.
References
blog.btcpayserver.org/security-advisory-btcpay-server-2-4-2
binance.com/en/square/post/384812445203404
vulncheck.com/advisories/btcpay-server-lnd-macaroon-credential-file-disclosure
nvd.nist.gov/vuln/detail/CVE-2026-119757
github.com/advisories/GHSA-87gv-mpgp-xpp2