{"items":[{"id":"NVI-00017758","kind":"vulnerability","title":"wetty vulnerable to DOM XSS via file-download filename","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-p26j-h7wj-r568","CVE-2026-49864"],"plain_summary":"GitHub lists this reviewed advisory for wetty. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-06b8eb633562b5dbd9bd623061129533"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"EPSS","as_of":"2026-11-05T12:03:04.000Z","value":"0.444%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.38726. Missing scores are unknown.","source_id":"sr-06b8eb633562b5dbd9bd623061129533"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-5ccecde4efa205588b2cea2c1158b706","url":"https://github.com/advisories/GHSA-p26j-h7wj-r568","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-p26j-h7wj-r568","publisher":"GitHub Advisory Database","observed_at":"2026-11-05T03:49:14.191Z"},{"id":"sr-06b8eb633562b5dbd9bd623061129533","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-49864","publisher":"FIRST EPSS","observed_at":"2026-11-06T07:17:46.379Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-5ccecde4efa205588b2cea2c1158b706"],"technology":"wetty","known_exclusions":[],"conditions_summary":"### Summary\n\nThe wetty client decodes a base64 filename from the file-download escape sequence and interpolates it raw into a Toastify HTML string (`escapeMarkup: false`). Any output the victim renders - a `cat`'d file, a tailed log, an SSH MOTD, a `curl` response - that contains `\\x1b[5i...:...\\x1b[4i` runs script in the wetty origin and types attacker-chosen keystrokes into the victim's SSH session.\n\n### Preconditions\n\n- Victim has wetty open with an active SSH session.\n- Attacker delivers the file-download escape sequence (`\\x1b[5i:\\x1b[4i`) into output the victim's terminal renders.\n- Default configuration; no non-default flags required.\n\n### Details\n\n```typescript\n// src/client/wetty.ts:37, 46-62\nconst fileDownloader = new FileDownloader();\n// ...\nsocket.on('data', (data: string) => {\n  const remainingData = fileDownloader.buffer(data);\n  // every PTY byte forwarded by the server passes through buffer()\n  // ...\n})\n```\n\nEvery byte the server forwards from the PTY passes through `FileDownloader.buffer`. The buffer scans for the documented file-download markers `\\x1b[5i` (begin) and `\\x1b[4i` (end) - documented in `docs/downloading-files.md` - and, on a co","public_affected_ranges":["< 3.0.4"]}],"null_published_at":"2026-11-08T15:11:49.402Z","source_updated_at":"2026-07-01T18:19:41.000Z","source_disclosed_at":"2026-07-01T18:19:39.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-11-05T03:49:14.191Z"},{"id":"NVI-00017758","kind":"vulnerability","title":"wetty vulnerable to DOM XSS via file-download filename","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-p26j-h7wj-r568","CVE-2026-49864"],"plain_summary":"GitHub lists this reviewed advisory for wetty. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-5ccecde4efa205588b2cea2c1158b706"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-5ccecde4efa205588b2cea2c1158b706","url":"https://github.com/advisories/GHSA-p26j-h7wj-r568","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-p26j-h7wj-r568","publisher":"GitHub Advisory Database","observed_at":"2026-11-05T03:49:14.191Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-5ccecde4efa205588b2cea2c1158b706"],"technology":"wetty","known_exclusions":[],"conditions_summary":"### Summary\n\nThe wetty client decodes a base64 filename from the file-download escape sequence and interpolates it raw into a Toastify HTML string (`escapeMarkup: false`). Any output the victim renders - a `cat`'d file, a tailed log, an SSH MOTD, a `curl` response - that contains `\\x1b[5i...:...\\x1b[4i` runs script in the wetty origin and types attacker-chosen keystrokes into the victim's SSH session.\n\n### Preconditions\n\n- Victim has wetty open with an active SSH session.\n- Attacker delivers the file-download escape sequence (`\\x1b[5i:\\x1b[4i`) into output the victim's terminal renders.\n- Default configuration; no non-default flags required.\n\n### Details\n\n```typescript\n// src/client/wetty.ts:37, 46-62\nconst fileDownloader = new FileDownloader();\n// ...\nsocket.on('data', (data: string) => {\n  const remainingData = fileDownloader.buffer(data);\n  // every PTY byte forwarded by the server passes through buffer()\n  // ...\n})\n```\n\nEvery byte the server forwards from the PTY passes through `FileDownloader.buffer`. The buffer scans for the documented file-download markers `\\x1b[5i` (begin) and `\\x1b[4i` (end) - documented in `docs/downloading-files.md` - and, on a co","public_affected_ranges":["< 3.0.4"]}],"null_published_at":"2026-11-05T19:10:21.464Z","source_updated_at":"2026-07-01T18:19:41.000Z","source_disclosed_at":"2026-07-01T18:19:39.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-11-05T03:49:14.191Z"}],"next_cursor":null,"snapshot_revision":"42594"}