CVE-2026-84961 (HIGH): detected in Lambda Docker Images.
还没有人认领这个 Issue。
评估
- 难度
- 3/5
- 预计耗时
- 1-2 天
- 新手友好度
- 55/100
- Issue 类型
- 缺陷
- 描述清晰度
- 基本清楚
- 活跃度
- 活跃
- 技术栈
- aws, docker, node.js
- 领域
- cloud, infrastructure, security
调研方向
Start by locating the build definitions for the listed Lambda Node.js images and checking how the undici dependency is supplied. Update the affected package from 7.29.0 to a fixed version, then rebuild or inspect the affected images to confirm the vulnerable version is no longer present.
由索引模型根据 Issue 内容生成。
描述
CVE Details
| CVE ID | Severity | Affected Package | Installed Version | Fixed Version | Date Published | Date of Scan |
|---|---|---|---|---|---|---|
| CVE-2026-84961 | HIGH |
undici |
7.29.0 |
7.29.1, 8.10.2 |
2026-09-04T17:17:02.227Z |
2026-09-30T10:18:20.696138078Z |
Affected Docker Images
| Image Name | SHA |
|---|---|
public.ecr.aws/lambda/nodejs:latest |
public.ecr.aws/lambda/nodejs@sha256:523ce8499e16c3bff599c94691e1c6a1405aac415c13b95b98dbb9dddd052b77 |
public.ecr.aws/lambda/nodejs:26-preview |
public.ecr.aws/lambda/nodejs@sha256:f5118e838e4efe4462b87cb77b1b255170952560a5766ad9c0d3f30016c57800 |
public.ecr.aws/lambda/nodejs:24 |
public.ecr.aws/lambda/nodejs@sha256:523ce8499e16c3bff599c94691e1c6a1405aac415c13b95b98dbb9dddd052b77 |
public.ecr.aws/lambda/nodejs:22 |
public.ecr.aws/lambda/nodejs@sha256:282bd7028e6d1f365a3a174751634c7a84e12ef8a466cdcf786c3f4d744e743a |
Description
undici's BalancedPool constructor passes its entire options object through an internal deep-clone that serializes and reparses the value as JSON. Because JSON cannot represent functions, any function-valued TLS option, such as a caller-supplied checkServerIdentity callback or a custom connector inside the connect option, is silently discarded before it reaches the TLS layer. As a result a peer whose certificate the application's custom checkServerIdentity was written to reject, but which still passes Node's default hostname and chain checks, is accepted when reached through BalancedPool. The Client, Pool, and Agent dispatchers are not affected because they extract the connect and tls options before cloning. This affects undici versions from 7.24.1 up to 7.29.1 and from 8.0.0 up to 8.10.2, and only when the application supplies a function-valued connect or tls option to BalancedPool. Users should upgrade to undici 7.29.1 or 8.10.2.
Remediation Steps
- Update the affected package
undicifrom version7.29.0to7.29.1, 8.10.2.
About this issue
- This issue may not contain all the information about the CVE nor the images it affects.
- This issue will not be updated with new information and the list of affected images may have changed since the creation of this issue.
- For more, visit Lambda Watchdog.
- This issue was created automatically by Lambda Watchdog.
- 主要语言
- 没有语言数据
- 星标
- 775
- 派生
- 117
- PR 合并指标
- 30 天内没有已合并 PR
环境准备
- 没有 Dockerfile 或 Docker Compose 文件
- 没有 Pull Request 模板
- 阅读贡献指南
从这里开始
- 先读完整个 Issue，再读项目的贡献指南。
- 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
- Fork 仓库，在一个分支上完成修改。
- 提交 Pull Request，并在描述里引用这个 Issue 编号。
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