{"items":[{"id":"NVI-00014094","kind":"vulnerability","title":"Yamcs vulnerable to authenticated RCE via StreamSQL aggregate-compiler column-name injection in Yamcs `executeSql`","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-3g44-3m7x-cgg2","CVE-2026-55511"],"plain_summary":"GitHub lists this reviewed advisory for org.yamcs:yamcs-core, org.yamcs:yamcs-core. 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-28e642c02a808f8ac15cf2974c214273"],"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":"2026-08-28T17:06:57.000Z","value":"9.1 critical","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-4481d6a13e59205348122e13e40d0f38"},{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.677%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.52325. Missing scores are unknown.","source_id":"sr-28e642c02a808f8ac15cf2974c214273"}],"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-4481d6a13e59205348122e13e40d0f38","url":"https://github.com/advisories/GHSA-3g44-3m7x-cgg2","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-3g44-3m7x-cgg2","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T09:56:23.004Z"},{"id":"sr-28e642c02a808f8ac15cf2974c214273","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-2026-55511","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:44:07.788Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4481d6a13e59205348122e13e40d0f38"],"technology":"org.yamcs:yamcs-core","known_exclusions":[],"conditions_summary":"## Overview\n\nYamcs compiles StreamSQL expressions to Java on the fly with the Janino `SimpleCompiler` (no restrictive class-loading policy or expression sandbox). When a StreamSQL aggregate such as `sum(...)` is applied to a **column**, the column's *name* is interpolated **unescaped** into the generated Java source. Because Yamcs accepts arbitrary characters in a double-quoted column identifier and applies no validation when a column is created, an authenticated user with the `ControlArchiving` system privilege can craft a column name that injects arbitrary Java into the compiled aggregate and achieve Remote Code Execution on the Yamcs host via `POST /api/archive/{instance}:executeSql`.\n\nThis is a second, independent Janino-RCE entry point sharing the root cause of CVE-2026-44632 (GHSA-524g-x36v-9wm6). The 5.13.0 / 5.12.7 fix for CVE-2026-44632 hardened only the algorithm-override path (`JavaExprAlgorithmExecutionFactory`, reached via `MdbOverrideApi` and gated by `ChangeMissionDatabase`). The StreamSQL expression compiler (`org.yamcs.yarch.streamsql`) was not addressed and remains exploitable in 5.13.0 via a **different privilege** (`ControlArchiving`).\n\n## Impact\n\nAn authenticat","public_affected_ranges":[">= 5.13.0, <= 5.13.1"]},{"certainty":"source_listed","source_ids":["sr-4481d6a13e59205348122e13e40d0f38"],"technology":"org.yamcs:yamcs-core","known_exclusions":[],"conditions_summary":"## Overview\n\nYamcs compiles StreamSQL expressions to Java on the fly with the Janino `SimpleCompiler` (no restrictive class-loading policy or expression sandbox). When a StreamSQL aggregate such as `sum(...)` is applied to a **column**, the column's *name* is interpolated **unescaped** into the generated Java source. Because Yamcs accepts arbitrary characters in a double-quoted column identifier and applies no validation when a column is created, an authenticated user with the `ControlArchiving` system privilege can craft a column name that injects arbitrary Java into the compiled aggregate and achieve Remote Code Execution on the Yamcs host via `POST /api/archive/{instance}:executeSql`.\n\nThis is a second, independent Janino-RCE entry point sharing the root cause of CVE-2026-44632 (GHSA-524g-x36v-9wm6). The 5.13.0 / 5.12.7 fix for CVE-2026-44632 hardened only the algorithm-override path (`JavaExprAlgorithmExecutionFactory`, reached via `MdbOverrideApi` and gated by `ChangeMissionDatabase`). The StreamSQL expression compiler (`org.yamcs.yarch.streamsql`) was not addressed and remains exploitable in 5.13.0 via a **different privilege** (`ControlArchiving`).\n\n## Impact\n\nAn authenticat","public_affected_ranges":["<= 5.12.7"]}],"null_published_at":"2026-11-08T19:53:33.621Z","source_updated_at":"2026-08-28T17:06:57.000Z","source_disclosed_at":"2026-08-28T17:06:56.000Z","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":"2026-11-02T09:56:23.004Z"},{"id":"NVI-00014094","kind":"vulnerability","title":"Yamcs vulnerable to authenticated RCE via StreamSQL aggregate-compiler column-name injection in Yamcs `executeSql`","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-3g44-3m7x-cgg2","CVE-2026-55511"],"plain_summary":"GitHub lists this reviewed advisory for org.yamcs:yamcs-core, org.yamcs:yamcs-core. 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-4481d6a13e59205348122e13e40d0f38"],"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":"2026-08-28T17:06:57.000Z","value":"9.1 critical","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-4481d6a13e59205348122e13e40d0f38"}],"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-4481d6a13e59205348122e13e40d0f38","url":"https://github.com/advisories/GHSA-3g44-3m7x-cgg2","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-3g44-3m7x-cgg2","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T09:56:23.004Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4481d6a13e59205348122e13e40d0f38"],"technology":"org.yamcs:yamcs-core","known_exclusions":[],"conditions_summary":"## Overview\n\nYamcs compiles StreamSQL expressions to Java on the fly with the Janino `SimpleCompiler` (no restrictive class-loading policy or expression sandbox). When a StreamSQL aggregate such as `sum(...)` is applied to a **column**, the column's *name* is interpolated **unescaped** into the generated Java source. Because Yamcs accepts arbitrary characters in a double-quoted column identifier and applies no validation when a column is created, an authenticated user with the `ControlArchiving` system privilege can craft a column name that injects arbitrary Java into the compiled aggregate and achieve Remote Code Execution on the Yamcs host via `POST /api/archive/{instance}:executeSql`.\n\nThis is a second, independent Janino-RCE entry point sharing the root cause of CVE-2026-44632 (GHSA-524g-x36v-9wm6). The 5.13.0 / 5.12.7 fix for CVE-2026-44632 hardened only the algorithm-override path (`JavaExprAlgorithmExecutionFactory`, reached via `MdbOverrideApi` and gated by `ChangeMissionDatabase`). The StreamSQL expression compiler (`org.yamcs.yarch.streamsql`) was not addressed and remains exploitable in 5.13.0 via a **different privilege** (`ControlArchiving`).\n\n## Impact\n\nAn authenticat","public_affected_ranges":[">= 5.13.0, <= 5.13.1"]},{"certainty":"source_listed","source_ids":["sr-4481d6a13e59205348122e13e40d0f38"],"technology":"org.yamcs:yamcs-core","known_exclusions":[],"conditions_summary":"## Overview\n\nYamcs compiles StreamSQL expressions to Java on the fly with the Janino `SimpleCompiler` (no restrictive class-loading policy or expression sandbox). When a StreamSQL aggregate such as `sum(...)` is applied to a **column**, the column's *name* is interpolated **unescaped** into the generated Java source. Because Yamcs accepts arbitrary characters in a double-quoted column identifier and applies no validation when a column is created, an authenticated user with the `ControlArchiving` system privilege can craft a column name that injects arbitrary Java into the compiled aggregate and achieve Remote Code Execution on the Yamcs host via `POST /api/archive/{instance}:executeSql`.\n\nThis is a second, independent Janino-RCE entry point sharing the root cause of CVE-2026-44632 (GHSA-524g-x36v-9wm6). The 5.13.0 / 5.12.7 fix for CVE-2026-44632 hardened only the algorithm-override path (`JavaExprAlgorithmExecutionFactory`, reached via `MdbOverrideApi` and gated by `ChangeMissionDatabase`). The StreamSQL expression compiler (`org.yamcs.yarch.streamsql`) was not addressed and remains exploitable in 5.13.0 via a **different privilege** (`ControlArchiving`).\n\n## Impact\n\nAn authenticat","public_affected_ranges":["<= 5.12.7"]}],"null_published_at":"2026-11-02T10:00:37.206Z","source_updated_at":"2026-08-28T17:06:57.000Z","source_disclosed_at":"2026-08-28T17:06:56.000Z","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":"2026-11-02T09:56:23.004Z"}],"next_cursor":null,"snapshot_revision":"42594"}