CVSS 4.0
9.3 criticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NCVE-2026-119757
Critical (9.3) in btcpay server btcpay server. EPSS 0.5% estimated probability of exploitation activity in the next 30 days.
On this page
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.
Severity
CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- EPSS
- 0.5% estimated probability of exploitation activity in the next 30 days; 46th percentile. Scored 2026-11-10. A forecast for this CVE across the internet, not for your own systems.
- CWEs
- CWE-522 Insufficiently Protected Credentials
CWE-552 Files or Directories Accessible to External Parties - OWASP Top 10
- A01:2025 Broken Access Control, A06:2025 Insecure Design
- Published
- NVD analysis
- Awaiting analysis
- Record from
- the NVD, synced
Ask an AI about this CVE
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Explain CVE-2026-119757 for an engineer deciding whether to act. Use https://cve.bz/api/public/cves/CVE-2026-119757?via=ask-ai-copy and https://cve.bz/cve/CVE-2026-119757?via=ask-ai-copy as the source of truth: what is affected and which versions fix it, whether it is in CISA KEV, public exploits, and its EPSS (an internet-wide 30-day estimate of exploitation activity, not a forecast for my systems). If they give no fixed versions, use the CVE record https://cveawg.mitre.org/api/cve/CVE-2026-119757 or the vendor advisory, not third-party mirrors. Tell me how to check whether I am affected and how to verify a fix. Cite the sources and say where they are uncertain.Opens a third-party assistant; its answer is its own, not cve.bz's. The prompt holds only this CVE's id and public links.
Affected
- btcpay server:btcpay server
Versions
From the CNA's record in the CVE List.
| Product | Affected |
|---|---|
| BTCPay Server | before 2.4.2 |
Attack patterns (CAPEC)
- CAPEC-150 Collect Data from Common Resource Locations Severity: Medium
- CAPEC-639 Probe System Files Severity: Medium
The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits. More on the page of CWE-522 (13).