diff --git a/packages/workflows/src/dag-executor.ts b/packages/workflows/src/dag-executor.ts
index 63e4d6cafd..7937eec22f 100644
--- a/packages/workflows/src/dag-executor.ts
+++ b/packages/workflows/src/dag-executor.ts
@@ -1137,8 +1137,13 @@ async function executeBashNode(
   const finalScript = substituteNodeOutputRefs(substitutedScript, nodeOutputs, true);
 
   const timeout = node.timeout ?? SUBPROCESS_DEFAULT_TIMEOUT;
-  const subprocessEnv =
-    envVars && Object.keys(envVars).length > 0 ? { ...process.env, ...envVars } : undefined;
+  const subprocessEnv: NodeJS.ProcessEnv = {
+    ...process.env,
+    ARTIFACTS_DIR: artifactsDir,
+    LOG_DIR: logDir,
+    BASE_BRANCH: baseBranch,
+    ...(envVars ?? {}),
+  };
 
   try {
     const { stdout, stderr } = await execFileAsync('bash', ['-c', finalScript], {