CVE-2026-55565 Yamcs: Authenticated remote code execution via unescaped StreamSQL `LIKE` pattern compiled by Janino (`LikeExpression`)

Yamcs is a mission control framework. Prior to 5.12.8 and 5.13.2, Yamcs LikeExpression.fillCodegetValueReturn in yamcs-core/src/main/java/org/yamcs/yarch/streamsql/LikeExpression.java inserts an unescaped LIKE pattern into Java source compiled by Expression.getCompiledExpression through...

CVE-2026-55565

Yamcs (mission control framework) is vulnerable to authenticated remote code execution in LikeExpression.fillCode_getValueReturn, where an unescaped StreamSQL LIKE pattern is injected into Java source compiled at runtime by Janino (SimpleCompiler.cook). A " in the pattern breaks out of the genera...

CVE-2026-55565 Yamcs: Authenticated remote code execution via unescaped StreamSQL `LIKE` pattern compiled by Janino (`LikeExpression`)

Yamcs is a mission control framework. Prior to 5.12.8 and 5.13.2, Yamcs LikeExpression.fillCodegetValueReturn in yamcs-core/src/main/java/org/yamcs/yarch/streamsql/LikeExpression.java inserts an unescaped LIKE pattern into Java source compiled by Expression.getCompiledExpression through...

EUVD-2026-67844

Yamcs is a mission control framework. Prior to 5.12.8 and 5.13.2, Yamcs LikeExpression.fillCodegetValueReturn in yamcs-core/src/main/java/org/yamcs/yarch/streamsql/LikeExpression.java inserts an unescaped LIKE pattern into Java source compiled by Expression.getCompiledExpression through...

GHSA-73MF-M39P-WPM9 Yamcs vulnerable to Remote Code Execution via instance-template argument YAML injection (createInstance)

Summary templateArgs sent to POST /api/instances and PATCH /api/instances/instance are written into the rendered instance config as raw text, then parsed as YAML and loaded. Yamcs instantiates each services: entry by its class:, so injecting YAML through a template arg lets you add a services:...

Yamcs vulnerable to Remote Code Execution via instance-template argument YAML injection (createInstance)

Summary templateArgs sent to POST /api/instances and PATCH /api/instances/instance are written into the rendered instance config as raw text, then parsed as YAML and loaded. Yamcs instantiates each services: entry by its class:, so injecting YAML through a template arg lets you add a services:...

CVE-2026-55559 Yamcs: Remote Code Execution via instance-template argument YAML injection (createInstance)

Yamcs is a mission control framework. Prior to 5.12.8 and 5.13.2, Yamcs inserts templateArgs from POST /api/instances and PATCH /api/instances/instance into YAML through VarStatement.append in yamcs-core/src/main/java/org/yamcs/templating/VarStatement.java without YAML-context escaping. The...

CVE-2026-55559 Yamcs: Remote Code Execution via instance-template argument YAML injection (createInstance)

Yamcs is a mission control framework. Prior to 5.12.8 and 5.13.2, Yamcs inserts templateArgs from POST /api/instances and PATCH /api/instances/instance into YAML through VarStatement.append in yamcs-core/src/main/java/org/yamcs/templating/VarStatement.java without YAML-context escaping. The...

CVE-2026-55559

CVE-2026-55559 is a Critical (CVSS 9.8) remote code execution vulnerability in Yamcs (mission control framework) prior to versions 5.12.8 and 5.13.2 . The root cause is that templateArgs submitted via POST /api/instances or PATCH /api/instances/{instance} are appended into the rendered YAML confi...

EUVD-2026-67843

Yamcs is a mission control framework. Prior to 5.12.8 and 5.13.2, Yamcs inserts templateArgs from POST /api/instances and PATCH /api/instances/instance into YAML through VarStatement.append in yamcs-core/src/main/java/org/yamcs/templating/VarStatement.java without YAML-context escaping. The...

Attackers Chain Two PaperCut Flaws to Execute Code Without Authentication

Malicious actors are exploiting a newly patched security flaw in PaperCut NG and MF to execute arbitrary code on susceptible instances, as the company released a fresh emergency fix with additional hardening. "This vulnerability gives an unauthenticated attacker remote control over PaperCut's...

GHSA-3G44-3M7X-CGG2 Yamcs vulnerable to authenticated RCE via StreamSQL aggregate-compiler column-name injection in Yamcs `executeSql`

Overview Yamcs 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...

Yamcs vulnerable to authenticated RCE via StreamSQL aggregate-compiler column-name injection in Yamcs `executeSql`

Overview Yamcs 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...

CVE-2026-77939 Flextype CMS 1.0.0-dev RCE via POST /api/v1/query Endpoint

Flextype CMS through v1.0.0-dev contains an expression language injection vulnerability that allows authenticated attackers with a valid API token to read arbitrary files by passing unsanitized user-supplied input to the Symfony ExpressionLanguage engine via the POST /api/v1/query endpoint...

CVE-2026-77939 Flextype CMS 1.0.0-dev RCE via POST /api/v1/query Endpoint

Flextype CMS through v1.0.0-dev contains an expression language injection vulnerability that allows authenticated attackers with a valid API token to read arbitrary files by passing unsanitized user-supplied input to the Symfony ExpressionLanguage engine via the POST /api/v1/query endpoint...

CVE-2026-77939

Flextype CMS through v1.0.0-dev is affected by an expression language injection in its Symfony ExpressionLanguage engine , reachable via the POST /api/v1/query endpoint. Unsanitized, user-supplied input is passed to the engine, exposing application objects such as filesystem() and serializers() w...

CVE-2026-55511 Yamcs: Authenticated RCE via StreamSQL aggregate-compiler column-name injection in Yamcs `executeSql`

Yamcs is a mission control framework. Prior to 5.12.8 and 5.13.2, Yamcs allows a user with SystemPrivilege.ControlArchiving to create a double-quoted StreamSQL column name that is interpolated into generated Java source by Expression.fillCodeInputDefVars and Expression.sanitizeName. A sum aggrega...

CVE-2026-55511 Yamcs: Authenticated RCE via StreamSQL aggregate-compiler column-name injection in Yamcs `executeSql`

Yamcs is a mission control framework. Prior to 5.12.8 and 5.13.2, Yamcs allows a user with SystemPrivilege.ControlArchiving to create a double-quoted StreamSQL column name that is interpolated into generated Java source by Expression.fillCodeInputDefVars and Expression.sanitizeName. A sum aggrega...

CVE-2026-82278 BISHENG Authenticated Arbitrary Python Code Execution via Workflow run_once

BISHENG before 2.6.0 contains a remote code execution vulnerability in the workflow runonce endpoint that allows authenticated users to execute arbitrary Python code. Attackers can submit crafted Code node definitions to the POST /api/v1/workflow/runonce endpoint, which executes them with exec...

CVE-2026-82278 BISHENG Authenticated Arbitrary Python Code Execution via Workflow run_once

BISHENG before 2.6.0 contains a remote code execution vulnerability in the workflow runonce endpoint that allows authenticated users to execute arbitrary Python code. Attackers can submit crafted Code node definitions to the POST /api/v1/workflow/runonce endpoint, which executes them with exec...