{"items":[{"id":"NVI-00011852","kind":"vulnerability","title":"Vitess vttablet /twopcz reflected XSS","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-v75v-6fpf-gvw8","CVE-2026-104252"],"plain_summary":"GitHub lists this reviewed advisory for vitess.io/vitess, vitess.io/vitess. 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-22a9687101c4a826a95895986af25088"],"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":"CVSS","as_of":"2026-10-15T20:16:30.000Z","value":"9.8 critical","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-4445934f33ab187b1b317e85cb1d9004"},{"kind":"EPSS","as_of":"2026-11-02T12:00:30.000Z","value":"1.174%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.67522. Missing scores are unknown.","source_id":"sr-22a9687101c4a826a95895986af25088"}],"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-4445934f33ab187b1b317e85cb1d9004","url":"https://github.com/advisories/GHSA-v75v-6fpf-gvw8","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-v75v-6fpf-gvw8","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T23:14:14.588Z"},{"id":"sr-22a9687101c4a826a95895986af25088","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-2026-104252","publisher":"FIRST EPSS","observed_at":"2026-11-02T20:15:58.838Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4445934f33ab187b1b317e85cb1d9004"],"technology":"vitess.io/vitess","known_exclusions":[],"conditions_summary":"From: xylove21\nTo: security@vitess.io\nSubject: [Security Report] Vitess vttablet /twopcz reflected XSS\nDate: Tue, 24 Jun 2026 14:30:00 +0800\n\n## Summary\n\nThe `twopczHandler` in\n`go/vt/vttablet/tabletserver/twopcz.go` (line 185) reflects the `Action`\nand `dtid` form values directly into the HTML response body via\n`fmt.Fprintln(w, msg)` — **without HTML escaping**. The response is served\nas `text/html; charset=utf-8`, and Vitess's default `acl` policy is\n**allow-all**, so the endpoint is reachable by anyone who can hit the\nvttablet's HTTP port (default `15999`, multiplexed with gRPC and MySQL\nwire-protocol ports).\n\nA crafted `Action` or `dtid` value yields a **reflected XSS** that\nexecutes in the operator's browser with same-origin access to the\nvttablet's debug endpoints. This includes `/queryz` (live query plans),\n`/querylogz` (recent queries with bound values), `/txlogz` (transactions),\n`/debug/env` (environment variables — may include MySQL/topology\ncredentials), `/debug/vars` (expvar stats), and `/debug/pprof/*` if\nenabled.\n\nThe bug was introduced before v20.0.0 (long-standing) and was silently\nfixed in commit `3140c1846c` (merged 2026-06-09, PR #20255,\n\"tabletserver: escape ref","public_affected_ranges":["< 0.23.5"]},{"certainty":"source_listed","source_ids":["sr-4445934f33ab187b1b317e85cb1d9004"],"technology":"vitess.io/vitess","known_exclusions":[],"conditions_summary":"From: xylove21\nTo: security@vitess.io\nSubject: [Security Report] Vitess vttablet /twopcz reflected XSS\nDate: Tue, 24 Jun 2026 14:30:00 +0800\n\n## Summary\n\nThe `twopczHandler` in\n`go/vt/vttablet/tabletserver/twopcz.go` (line 185) reflects the `Action`\nand `dtid` form values directly into the HTML response body via\n`fmt.Fprintln(w, msg)` — **without HTML escaping**. The response is served\nas `text/html; charset=utf-8`, and Vitess's default `acl` policy is\n**allow-all**, so the endpoint is reachable by anyone who can hit the\nvttablet's HTTP port (default `15999`, multiplexed with gRPC and MySQL\nwire-protocol ports).\n\nA crafted `Action` or `dtid` value yields a **reflected XSS** that\nexecutes in the operator's browser with same-origin access to the\nvttablet's debug endpoints. This includes `/queryz` (live query plans),\n`/querylogz` (recent queries with bound values), `/txlogz` (transactions),\n`/debug/env` (environment variables — may include MySQL/topology\ncredentials), `/debug/vars` (expvar stats), and `/debug/pprof/*` if\nenabled.\n\nThe bug was introduced before v20.0.0 (long-standing) and was silently\nfixed in commit `3140c1846c` (merged 2026-06-09, PR #20255,\n\"tabletserver: escape ref","public_affected_ranges":[">= 0.24.0, < 0.24.2"]}],"null_published_at":"2026-11-07T14:01:58.741Z","source_updated_at":"2026-10-15T20:16:30.000Z","source_disclosed_at":"2026-10-15T20:16:29.000Z","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":"2026-10-31T23:14:14.588Z"},{"id":"NVI-00011852","kind":"vulnerability","title":"Vitess vttablet /twopcz reflected XSS","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-v75v-6fpf-gvw8","CVE-2026-104252"],"plain_summary":"GitHub lists this reviewed advisory for vitess.io/vitess, vitess.io/vitess. 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-23f6cf64b924393ec4377da27f8c941b"],"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":"CVSS","as_of":"2026-10-15T20:16:30.000Z","value":"9.8 critical","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-4445934f33ab187b1b317e85cb1d9004"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"1.174%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.67526. Missing scores are unknown.","source_id":"sr-23f6cf64b924393ec4377da27f8c941b"}],"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-4445934f33ab187b1b317e85cb1d9004","url":"https://github.com/advisories/GHSA-v75v-6fpf-gvw8","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-v75v-6fpf-gvw8","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T23:14:14.588Z"},{"id":"sr-23f6cf64b924393ec4377da27f8c941b","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-2026-104252","publisher":"FIRST EPSS","observed_at":"2026-11-01T01:39:43.063Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4445934f33ab187b1b317e85cb1d9004"],"technology":"vitess.io/vitess","known_exclusions":[],"conditions_summary":"From: xylove21\nTo: security@vitess.io\nSubject: [Security Report] Vitess vttablet /twopcz reflected XSS\nDate: Tue, 24 Jun 2026 14:30:00 +0800\n\n## Summary\n\nThe `twopczHandler` in\n`go/vt/vttablet/tabletserver/twopcz.go` (line 185) reflects the `Action`\nand `dtid` form values directly into the HTML response body via\n`fmt.Fprintln(w, msg)` — **without HTML escaping**. The response is served\nas `text/html; charset=utf-8`, and Vitess's default `acl` policy is\n**allow-all**, so the endpoint is reachable by anyone who can hit the\nvttablet's HTTP port (default `15999`, multiplexed with gRPC and MySQL\nwire-protocol ports).\n\nA crafted `Action` or `dtid` value yields a **reflected XSS** that\nexecutes in the operator's browser with same-origin access to the\nvttablet's debug endpoints. This includes `/queryz` (live query plans),\n`/querylogz` (recent queries with bound values), `/txlogz` (transactions),\n`/debug/env` (environment variables — may include MySQL/topology\ncredentials), `/debug/vars` (expvar stats), and `/debug/pprof/*` if\nenabled.\n\nThe bug was introduced before v20.0.0 (long-standing) and was silently\nfixed in commit `3140c1846c` (merged 2026-06-09, PR #20255,\n\"tabletserver: escape ref","public_affected_ranges":["< 0.23.5"]},{"certainty":"source_listed","source_ids":["sr-4445934f33ab187b1b317e85cb1d9004"],"technology":"vitess.io/vitess","known_exclusions":[],"conditions_summary":"From: xylove21\nTo: security@vitess.io\nSubject: [Security Report] Vitess vttablet /twopcz reflected XSS\nDate: Tue, 24 Jun 2026 14:30:00 +0800\n\n## Summary\n\nThe `twopczHandler` in\n`go/vt/vttablet/tabletserver/twopcz.go` (line 185) reflects the `Action`\nand `dtid` form values directly into the HTML response body via\n`fmt.Fprintln(w, msg)` — **without HTML escaping**. The response is served\nas `text/html; charset=utf-8`, and Vitess's default `acl` policy is\n**allow-all**, so the endpoint is reachable by anyone who can hit the\nvttablet's HTTP port (default `15999`, multiplexed with gRPC and MySQL\nwire-protocol ports).\n\nA crafted `Action` or `dtid` value yields a **reflected XSS** that\nexecutes in the operator's browser with same-origin access to the\nvttablet's debug endpoints. This includes `/queryz` (live query plans),\n`/querylogz` (recent queries with bound values), `/txlogz` (transactions),\n`/debug/env` (environment variables — may include MySQL/topology\ncredentials), `/debug/vars` (expvar stats), and `/debug/pprof/*` if\nenabled.\n\nThe bug was introduced before v20.0.0 (long-standing) and was silently\nfixed in commit `3140c1846c` (merged 2026-06-09, PR #20255,\n\"tabletserver: escape ref","public_affected_ranges":[">= 0.24.0, < 0.24.2"]}],"null_published_at":"2026-11-01T14:34:14.104Z","source_updated_at":"2026-10-15T20:16:30.000Z","source_disclosed_at":"2026-10-15T20:16:29.000Z","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":"2026-10-31T23:14:14.588Z"},{"id":"NVI-00011852","kind":"vulnerability","title":"Vitess vttablet /twopcz reflected XSS","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-v75v-6fpf-gvw8","CVE-2026-104252"],"plain_summary":"GitHub lists this reviewed advisory for vitess.io/vitess, vitess.io/vitess. 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-4445934f33ab187b1b317e85cb1d9004"],"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":"CVSS","as_of":"2026-10-15T20:16:30.000Z","value":"9.8 critical","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-4445934f33ab187b1b317e85cb1d9004"}],"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-4445934f33ab187b1b317e85cb1d9004","url":"https://github.com/advisories/GHSA-v75v-6fpf-gvw8","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-v75v-6fpf-gvw8","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T23:14:14.588Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4445934f33ab187b1b317e85cb1d9004"],"technology":"vitess.io/vitess","known_exclusions":[],"conditions_summary":"From: xylove21\nTo: security@vitess.io\nSubject: [Security Report] Vitess vttablet /twopcz reflected XSS\nDate: Tue, 24 Jun 2026 14:30:00 +0800\n\n## Summary\n\nThe `twopczHandler` in\n`go/vt/vttablet/tabletserver/twopcz.go` (line 185) reflects the `Action`\nand `dtid` form values directly into the HTML response body via\n`fmt.Fprintln(w, msg)` — **without HTML escaping**. The response is served\nas `text/html; charset=utf-8`, and Vitess's default `acl` policy is\n**allow-all**, so the endpoint is reachable by anyone who can hit the\nvttablet's HTTP port (default `15999`, multiplexed with gRPC and MySQL\nwire-protocol ports).\n\nA crafted `Action` or `dtid` value yields a **reflected XSS** that\nexecutes in the operator's browser with same-origin access to the\nvttablet's debug endpoints. This includes `/queryz` (live query plans),\n`/querylogz` (recent queries with bound values), `/txlogz` (transactions),\n`/debug/env` (environment variables — may include MySQL/topology\ncredentials), `/debug/vars` (expvar stats), and `/debug/pprof/*` if\nenabled.\n\nThe bug was introduced before v20.0.0 (long-standing) and was silently\nfixed in commit `3140c1846c` (merged 2026-06-09, PR #20255,\n\"tabletserver: escape ref","public_affected_ranges":["< 0.23.5"]},{"certainty":"source_listed","source_ids":["sr-4445934f33ab187b1b317e85cb1d9004"],"technology":"vitess.io/vitess","known_exclusions":[],"conditions_summary":"From: xylove21\nTo: security@vitess.io\nSubject: [Security Report] Vitess vttablet /twopcz reflected XSS\nDate: Tue, 24 Jun 2026 14:30:00 +0800\n\n## Summary\n\nThe `twopczHandler` in\n`go/vt/vttablet/tabletserver/twopcz.go` (line 185) reflects the `Action`\nand `dtid` form values directly into the HTML response body via\n`fmt.Fprintln(w, msg)` — **without HTML escaping**. The response is served\nas `text/html; charset=utf-8`, and Vitess's default `acl` policy is\n**allow-all**, so the endpoint is reachable by anyone who can hit the\nvttablet's HTTP port (default `15999`, multiplexed with gRPC and MySQL\nwire-protocol ports).\n\nA crafted `Action` or `dtid` value yields a **reflected XSS** that\nexecutes in the operator's browser with same-origin access to the\nvttablet's debug endpoints. This includes `/queryz` (live query plans),\n`/querylogz` (recent queries with bound values), `/txlogz` (transactions),\n`/debug/env` (environment variables — may include MySQL/topology\ncredentials), `/debug/vars` (expvar stats), and `/debug/pprof/*` if\nenabled.\n\nThe bug was introduced before v20.0.0 (long-standing) and was silently\nfixed in commit `3140c1846c` (merged 2026-06-09, PR #20255,\n\"tabletserver: escape ref","public_affected_ranges":[">= 0.24.0, < 0.24.2"]}],"null_published_at":"2026-11-01T01:03:56.610Z","source_updated_at":"2026-10-15T20:16:30.000Z","source_disclosed_at":"2026-10-15T20:16:29.000Z","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":"2026-10-31T23:14:14.588Z"}],"next_cursor":null,"snapshot_revision":"42594"}