{"id":"CVE-2024-34694","aliases":["EUVD-2024-1900","GHSA-3j4h-h3fp-vwww","PYSEC-2026-1580"],"status":"published","title":"LNbits improperly handles potential network and payment failures when using Eclair backend","description":"LNbits is a Lightning wallet and accounts system. Paying invoices in Eclair that do not get settled within the internal timeout (about 30s) lead to a payment being considered failed, even though it may still be in flight. This vulnerability can lead to a total loss of funds for the node backend. This vulnerability is fixed in 0.12.6.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00602,"percentile":0.49133,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-754"],"published":"2024-06-14T14:31:12Z","modified":"2026-10-28T02:31:11Z","fixes":[{"ecosystem":"PyPI","package":"lnbits","fixed_in":["0.12.6"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"lnbits","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.12.6"}]}]},{"source":"osv","ecosystem":"PyPI","package":"lnbits","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.12.6"}]}],"versions":["0.10.3.dev1"]},{"source":"osv","ecosystem":"PyPI","package":"lnbits","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.12.6"}]}],"versions":["0.10.3.dev1"]}],"products":[{"vendor":"lnbits","product":"lnbits"}],"references":[{"url":"https://github.com/lnbits/lnbits/security/advisories/GHSA-3j4h-h3fp-vwww","tags":["x_refsource_CONFIRM","x_transferred","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-34694","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-3j4h-h3fp-vwww","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/34xxx/CVE-2024-34694.json","tags":["advisory"]},{"url":"https://github.com/lnbits/lnbits","tags":["package"]},{"url":"https://pypi.org/project/lnbits","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2024-34694","title":"LNbits improperly handles potential network and payment failures when using Eclair backend","description":"LNbits is a Lightning wallet and accounts system. Paying invoices in Eclair that do not get settled within the internal timeout (about 30s) lead to a payment being considered failed, even though it may still be in flight. This vulnerability can lead to a total loss of funds for the node backend. This vulnerability is fixed in 0.12.6.\n","status":"published","published":"2024-06-14T14:31:12.465Z","modified":"2024-08-02T02:59:21.774Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-754"],"updated_at":"2026-11-02T14:34:23.516065Z"}],"euvd":[{"id":"EUVD-2024-1900","description":"LNbits is a Lightning wallet and accounts system. Paying invoices in Eclair that do not get settled within the internal timeout (about 30s) lead to a payment being considered failed, even though it may still be in flight. This vulnerability can lead to a total loss of funds for the node backend. This vulnerability is fixed in 0.12.6.\n","status":"published","published":"2024-06-14T14:31:12Z","modified":"2024-08-02T02:59:21Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T03:50:20.898281Z"}],"ghsa":[{"id":"GHSA-3j4h-h3fp-vwww","title":"LNbits improperly handles potential network and payment failures when using Eclair backend","description":"### Summary\n\nPaying invoices in Eclair that do not get settled within the internal timeout (about 30s) lead to a payment being considered failed, even though it may still be in flight.\n\n### Details\n\nUsing `blocking: true` on the API call will lead to a timeout error if a payment does not get settled in the 30s timeout with the error: `Ask timed out on [Actor[akka://eclair-node/user/$l#134241942]] after [30000 ms]. Message of type [fr.acinq.eclair.payment.send.PaymentInitiator$SendPaymentToNode]. A typical reason for AskTimeoutException is that the recipient actor didn't send a reply.`\nhttps://github.com/lnbits/lnbits/blob/c04c13b2f8cfbb625571a07dfddeb65ea6df8dac/lnbits/wallets/eclair.py#L138\n\nThis is considered a payment failure by parts of the code, and assumes the payment is not going to be settled after:\nhttps://github.com/lnbits/lnbits/blob/c04c13b2f8cfbb625571a07dfddeb65ea6df8dac/lnbits/wallets/eclair.py#L144\nhttps://github.com/lnbits/lnbits/blob/c04c13b2f8cfbb625571a07dfddeb65ea6df8dac/lnbits/wallets/eclair.py#L141\nhttps://github.com/lnbits/lnbits/blob/c04c13b2f8cfbb625571a07dfddeb65ea6df8dac/lnbits/wallets/eclair.py#L146\n\nThe best way to fix this is to check the payment status after an error, and when not sure, always consider a payment still in flight.\n\n### PoC\n\nA very simple way to exploit this is:\n- Create a hold invoice\n- Pay the invoice with the LNbits server backed by an Eclair node, until it times out\n- Settle the hold invoice\n\n### Impact\n\nThis vulnerability can lead to a total loss of funds for the node backend.\n","status":"published","published":"2024-06-17T21:24:18Z","modified":"2024-06-17T21:24:18Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high"}],"cwes":["CWE-754"],"updated_at":"2026-11-02T14:37:54.624184Z"}],"nvd":[{"id":"CVE-2024-34694","description":"LNbits is a Lightning wallet and accounts system. Paying invoices in Eclair that do not get settled within the internal timeout (about 30s) lead to a payment being considered failed, even though it may still be in flight. This vulnerability can lead to a total loss of funds for the node backend. This vulnerability is fixed in 0.12.6.\n","status":"published","published":"2024-06-14T15:15:50.637Z","modified":"2026-06-17T07:33:53.567Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-754"],"updated_at":"2026-11-02T14:10:05.620461Z"}],"osv":[{"id":"CVE-2024-34694","title":"LNbits improperly handles potential network and payment failures when using Eclair backend","description":"LNbits is a Lightning wallet and accounts system. Paying invoices in Eclair that do not get settled within the internal timeout (about 30s) lead to a payment being considered failed, even though it may still be in flight. This vulnerability can lead to a total loss of funds for the node backend. This vulnerability is fixed in 0.12.6.\n","status":"published","published":"2024-06-14T14:31:12.465Z","modified":"2026-10-28T02:31:11.732481307Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high"}],"cwes":["CWE-754"],"updated_at":"2026-11-02T15:44:40.391953Z"},{"id":"GHSA-3j4h-h3fp-vwww","title":"LNbits improperly handles potential network and payment failures when using Eclair backend","description":"### Summary\n\nPaying invoices in Eclair that do not get settled within the internal timeout (about 30s) lead to a payment being considered failed, even though it may still be in flight.\n\n### Details\n\nUsing `blocking: true` on the API call will lead to a timeout error if a payment does not get settled in the 30s timeout with the error: `Ask timed out on [Actor[akka://eclair-node/user/$l#134241942]] after [30000 ms]. Message of type [fr.acinq.eclair.payment.send.PaymentInitiator$SendPaymentToNode]. A typical reason for AskTimeoutException is that the recipient actor didn't send a reply.`\nhttps://github.com/lnbits/lnbits/blob/c04c13b2f8cfbb625571a07dfddeb65ea6df8dac/lnbits/wallets/eclair.py#L138\n\nThis is considered a payment failure by parts of the code, and assumes the payment is not going to be settled after:\nhttps://github.com/lnbits/lnbits/blob/c04c13b2f8cfbb625571a07dfddeb65ea6df8dac/lnbits/wallets/eclair.py#L144\nhttps://github.com/lnbits/lnbits/blob/c04c13b2f8cfbb625571a07dfddeb65ea6df8dac/lnbits/wallets/eclair.py#L141\nhttps://github.com/lnbits/lnbits/blob/c04c13b2f8cfbb625571a07dfddeb65ea6df8dac/lnbits/wallets/eclair.py#L146\n\nThe best way to fix this is to check the payment status after an error, and when not sure, always consider a payment still in flight.\n\n### PoC\n\nA very simple way to exploit this is:\n- Create a hold invoice\n- Pay the invoice with the LNbits server backed by an Eclair node, until it times out\n- Settle the hold invoice\n\n### Impact\n\nThis vulnerability can lead to a total loss of funds for the node backend.\n","status":"published","published":"2024-06-17T21:24:18Z","modified":"2026-07-07T17:56:50.535032762Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high"}],"cwes":["CWE-754"],"updated_at":"2026-11-02T15:46:35.747385Z"},{"id":"PYSEC-2026-1580","title":"LNbits improperly handles potential network and payment failures when using Eclair backend","description":"### Summary\n\nPaying invoices in Eclair that do not get settled within the internal timeout (about 30s) lead to a payment being considered failed, even though it may still be in flight.\n\n### Details\n\nUsing `blocking: true` on the API call will lead to a timeout error if a payment does not get settled in the 30s timeout with the error: `Ask timed out on [Actor[akka://eclair-node/user/$l#134241942]] after [30000 ms]. Message of type [fr.acinq.eclair.payment.send.PaymentInitiator$SendPaymentToNode]. A typical reason for AskTimeoutException is that the recipient actor didn't send a reply.`\nhttps://github.com/lnbits/lnbits/blob/c04c13b2f8cfbb625571a07dfddeb65ea6df8dac/lnbits/wallets/eclair.py#L138\n\nThis is considered a payment failure by parts of the code, and assumes the payment is not going to be settled after:\nhttps://github.com/lnbits/lnbits/blob/c04c13b2f8cfbb625571a07dfddeb65ea6df8dac/lnbits/wallets/eclair.py#L144\nhttps://github.com/lnbits/lnbits/blob/c04c13b2f8cfbb625571a07dfddeb65ea6df8dac/lnbits/wallets/eclair.py#L141\nhttps://github.com/lnbits/lnbits/blob/c04c13b2f8cfbb625571a07dfddeb65ea6df8dac/lnbits/wallets/eclair.py#L146\n\nThe best way to fix this is to check the payment status after an error, and when not sure, always consider a payment still in flight.\n\n### PoC\n\nA very simple way to exploit this is:\n- Create a hold invoice\n- Pay the invoice with the LNbits server backed by an Eclair node, until it times out\n- Settle the hold invoice\n\n### Impact\n\nThis vulnerability can lead to a total loss of funds for the node backend.\n","status":"published","published":"2026-07-07T14:34:34.796839Z","modified":"2026-07-07T17:46:55.139639205Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:55.06457Z"}]}}