---
title: "Astro's server source code is exposed to the public if sourcemaps are enabled"
system_id: "astro"
category: "frameworks"
advisory_mode: "core"
published_date: "2024-12-19T15:12:33Z"
updated_date: "2025-11-27T08:18:38.026555Z"
severity: "medium"
exploit_status: "unknown"
source_confidence: "official"
verification_status: "triage-manual"
verification_mode: "synthetic"
artifact_mode: "synthetic"
last_run_id: ""
target_types:
  - "lab-local"
  - "lab-public"
  - "authorized-third-party"
allow_public_validation: "yes, with ownership or explicit authorization"
authorization_prerequisite: "asset ownership proof or explicit written authorization"
minimal_validation: "read-only probe, controlled payload, reversible test"
aliases:
  - "CVE-2024-56159"
  - "GHSA-49w6-73cw-chjr"
affected_versions:
  - "introduced=5.0.0-alpha.0, fixed<5.0.8"
  - "introduced=0, fixed<4.16.18"
fixed_versions:
  - "5.0.8"
  - "4.16.18"
secure_code_topics:
  - "authz-server-side-recheck"
  - "csp-trusted-types"
  - "dependency-upgrade-policy"
primary_source: "https://github.com/withastro/astro/security/advisories/GHSA-49w6-73cw-chjr"
---

# Astro's server source code is exposed to the public if sourcemaps are enabled

## 本地实证状态

- 实证状态: `triage-manual`
- 实证方式: `synthetic`
- Artifact 模式: `synthetic`
- 最近运行: `-`
- 浏览器证据: `missing`
- Run Bundle: `-`

## 事件层

- Canonical ID: `astro--CVE-2024-56159`
- 系统: `astro`
- 严重度: `medium`
- 来源置信度: `official`
- 官方主源: https://github.com/withastro/astro/security/advisories/GHSA-49w6-73cw-chjr
- 影响版本: `introduced=5.0.0-alpha.0, fixed<5.0.8, introduced=0, fixed<4.16.18`
- 修复版本: `5.0.8, 4.16.18`

## 其他来源

- https://nvd.nist.gov/vuln/detail/CVE-2024-56159
- https://github.com/withastro/astro/issues/12703
- https://github.com/withastro/astro/commit/039d022b1bbaacf9ea83071d27affc5318e0e515
- https://github.com/withastro/astro/commit/c879f501ff01b1a3c577de776a1f7100d78f8dd5
- https://github.com/getsentry/sentry-javascript/blob/develop/packages/astro/src/integration/index.ts#L50
- https://github.com/withastro/astro
- https://github.com/withastro/astro/blob/176fe9f113fd912f9b61e848b00bbcfecd6d5c2c/packages/astro/src/core/build/static-build.ts#L139

## 实验层

- 仅用于自有资产、测试环境或已明确授权目标。
- 允许公网可达目标，但必须满足资产归属或明确授权前提。
- 最小化验证方式: 最小化验证、只读探测、可审计回显、受控注入。
- 若该案例涉及插件、模块或扩展，应同时检查供应链与升级策略。
- 禁止场景: 无归属证明或无明确授权的公网目标；知名公共网站或与测试无关的第三方资产；会造成持久破坏、数据越权下载或不可回滚影响的动作

## 修复示例

- [javascript-typescript:authz-server-side-recheck](/Users/x/websafe/05-defense/secure-code/javascript-typescript/authz-server-side-recheck.md)
- [nodejs:authz-server-side-recheck](/Users/x/websafe/05-defense/secure-code/nodejs/authz-server-side-recheck.md)
- [java:authz-server-side-recheck](/Users/x/websafe/05-defense/secure-code/java/authz-server-side-recheck.md)
- [php:authz-server-side-recheck](/Users/x/websafe/05-defense/secure-code/php/authz-server-side-recheck.md)
- [python:authz-server-side-recheck](/Users/x/websafe/05-defense/secure-code/python/authz-server-side-recheck.md)
- [ruby:authz-server-side-recheck](/Users/x/websafe/05-defense/secure-code/ruby/authz-server-side-recheck.md)
- [csharp:authz-server-side-recheck](/Users/x/websafe/05-defense/secure-code/csharp/authz-server-side-recheck.md)
- [go:authz-server-side-recheck](/Users/x/websafe/05-defense/secure-code/go/authz-server-side-recheck.md)
- [javascript-typescript:csp-trusted-types](/Users/x/websafe/05-defense/secure-code/javascript-typescript/csp-trusted-types.md)
- [nodejs:csp-trusted-types](/Users/x/websafe/05-defense/secure-code/nodejs/csp-trusted-types.md)
- [java:csp-trusted-types](/Users/x/websafe/05-defense/secure-code/java/csp-trusted-types.md)
- [php:csp-trusted-types](/Users/x/websafe/05-defense/secure-code/php/csp-trusted-types.md)
- [python:csp-trusted-types](/Users/x/websafe/05-defense/secure-code/python/csp-trusted-types.md)
- [ruby:csp-trusted-types](/Users/x/websafe/05-defense/secure-code/ruby/csp-trusted-types.md)
- [csharp:csp-trusted-types](/Users/x/websafe/05-defense/secure-code/csharp/csp-trusted-types.md)
- [go:csp-trusted-types](/Users/x/websafe/05-defense/secure-code/go/csp-trusted-types.md)
- [javascript-typescript:dependency-upgrade-policy](/Users/x/websafe/05-defense/secure-code/javascript-typescript/dependency-upgrade-policy.md)
- [nodejs:dependency-upgrade-policy](/Users/x/websafe/05-defense/secure-code/nodejs/dependency-upgrade-policy.md)
- [java:dependency-upgrade-policy](/Users/x/websafe/05-defense/secure-code/java/dependency-upgrade-policy.md)
- [php:dependency-upgrade-policy](/Users/x/websafe/05-defense/secure-code/php/dependency-upgrade-policy.md)
- [python:dependency-upgrade-policy](/Users/x/websafe/05-defense/secure-code/python/dependency-upgrade-policy.md)
- [ruby:dependency-upgrade-policy](/Users/x/websafe/05-defense/secure-code/ruby/dependency-upgrade-policy.md)
- [csharp:dependency-upgrade-policy](/Users/x/websafe/05-defense/secure-code/csharp/dependency-upgrade-policy.md)
- [go:dependency-upgrade-policy](/Users/x/websafe/05-defense/secure-code/go/dependency-upgrade-policy.md)