{"items":[{"id":"NVI-00012129","kind":"vulnerability","title":"Quasar Framework: Super-linear regex backtracking on User-Agent lets one request stall a Quasar SSR server","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-68jq-fhch-4xq4","CVE-2026-106104"],"plain_summary":"GitHub lists this reviewed advisory for quasar. 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-0ff6e5cb7dadcc21d4e115d9bbb01c1c"],"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":"2026-11-02T12:00:30.000Z","value":"0.370%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.30985. Missing scores are unknown.","source_id":"sr-0ff6e5cb7dadcc21d4e115d9bbb01c1c"}],"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-b14bb7ec5389182fcd36e9efe9f376f5","url":"https://github.com/advisories/GHSA-68jq-fhch-4xq4","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-68jq-fhch-4xq4","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:46.232Z"},{"id":"sr-0ff6e5cb7dadcc21d4e115d9bbb01c1c","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-2026-106104","publisher":"FIRST EPSS","observed_at":"2026-11-02T20:15:58.838Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-b14bb7ec5389182fcd36e9efe9f376f5"],"technology":"quasar","known_exclusions":[],"conditions_summary":"### Summary\n\nOne unauthenticated request with a crafted `User-Agent` stalls a Quasar SSR server for seconds.\n\nQuasar auto-installs its `Platform` plugin on every server-side render, and `Platform.parseSSR()` feeds the raw, unbounded `User-Agent` request header into a chain of backtracking regular expressions in `getMatch()`. One of those patterns contains a greedy capture followed by two unbounded `.*` scans, so a crafted header costs time proportional to the cube of its length. An 8 KB `User-Agent` blocks the Node.js event loop for about 4.4 seconds, and a 16 KB one for about 35 seconds. During that time the server answers nobody, so a handful of tiny requests take an SSR site completely offline.\n\n### Details\n\n`Platform` is in the `autoInstalledPlugins` array in `ui/src/install-quasar.js`, so it is installed unconditionally by `app.use(Quasar, ...)`. The generated SSR entry (`app-vite/templates/entry/app.js`, called from `app-vite/templates/entry/server-entry.js`) runs that for every HTTP request, and it runs before routing, so requests to paths that do not exist are affected too. On the server the plugin takes the header verbatim (`ui/src/plugins/platform/Platform.js`):\n\n```js\nPl","public_affected_ranges":["<= 2.23.2"]}],"null_published_at":"2026-11-04T10:04:47.601Z","source_updated_at":"2026-10-07T16:14:32.000Z","source_disclosed_at":"2026-10-07T16:14:31.000Z","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":"2026-11-01T00:58:46.232Z"},{"id":"NVI-00012129","kind":"vulnerability","title":"Quasar Framework: Super-linear regex backtracking on User-Agent lets one request stall a Quasar SSR server","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-68jq-fhch-4xq4","CVE-2026-106104"],"plain_summary":"GitHub lists this reviewed advisory for quasar. 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-b14bb7ec5389182fcd36e9efe9f376f5"],"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-b14bb7ec5389182fcd36e9efe9f376f5","url":"https://github.com/advisories/GHSA-68jq-fhch-4xq4","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-68jq-fhch-4xq4","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:46.232Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-b14bb7ec5389182fcd36e9efe9f376f5"],"technology":"quasar","known_exclusions":[],"conditions_summary":"### Summary\n\nOne unauthenticated request with a crafted `User-Agent` stalls a Quasar SSR server for seconds.\n\nQuasar auto-installs its `Platform` plugin on every server-side render, and `Platform.parseSSR()` feeds the raw, unbounded `User-Agent` request header into a chain of backtracking regular expressions in `getMatch()`. One of those patterns contains a greedy capture followed by two unbounded `.*` scans, so a crafted header costs time proportional to the cube of its length. An 8 KB `User-Agent` blocks the Node.js event loop for about 4.4 seconds, and a 16 KB one for about 35 seconds. During that time the server answers nobody, so a handful of tiny requests take an SSR site completely offline.\n\n### Details\n\n`Platform` is in the `autoInstalledPlugins` array in `ui/src/install-quasar.js`, so it is installed unconditionally by `app.use(Quasar, ...)`. The generated SSR entry (`app-vite/templates/entry/app.js`, called from `app-vite/templates/entry/server-entry.js`) runs that for every HTTP request, and it runs before routing, so requests to paths that do not exist are affected too. On the server the plugin takes the header verbatim (`ui/src/plugins/platform/Platform.js`):\n\n```js\nPl","public_affected_ranges":["<= 2.23.2"]}],"null_published_at":"2026-11-01T01:04:01.244Z","source_updated_at":"2026-10-07T16:14:32.000Z","source_disclosed_at":"2026-10-07T16:14:31.000Z","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":"2026-11-01T00:58:46.232Z"}],"next_cursor":null,"snapshot_revision":"42594"}