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CVE-2023-40171— Dispatch writes JWT tokens in error message

Quick assessment

Affected
Netflix dispatch
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Netflix Dispatch是美国Netflix公司的一个可深度集成Slack，GSuite，Jira等）工具提供安全事件管理的软件。 Netflix Dispatch存在安全漏洞，该漏洞源于服务器响应会在错误消息中包含用于签署JWT令牌的JWT密钥。

CVSS 9.1 · Critical EPSS 0.94% · P59
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I. Basic Information for CVE-2023-40171

Vulnerability Information
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Vulnerability Title
Dispatch writes JWT tokens in error message
Source: CVE Program / CVE List V5
Vulnerability Description
Dispatch is an open source security incident management tool. The server response includes the JWT Secret Key used for signing JWT tokens in error message when the `Dispatch Plugin - Basic Authentication Provider` plugin encounters an error when attempting to decode a JWT token. Any Dispatch users who own their instance and rely on the `Dispatch Plugin - Basic Authentication Provider` plugin for authentication may be impacted, allowing for any account to be taken over within their own instance. This could be done by using the secret to sign attacker crafted JWTs. If you think that you may be impacted, we strongly suggest you to rotate the secret stored in the `DISPATCH_JWT_SECRET` envvar in the `.env` file. This issue has been addressed in commit `b1942a4319` which has been included in the `20230817` release. users are advised to upgrade. There are no known workarounds for this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过错误消息导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Netflix Dispatch 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Netflix Dispatch是美国Netflix公司的一个可深度集成Slack，GSuite，Jira等）工具提供安全事件管理的软件。 Netflix Dispatch存在安全漏洞，该漏洞源于服务器响应会在错误消息中包含用于签署JWT令牌的JWT密钥。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Netflix dispatch < 20230817 -

II. Public POCs for CVE-2023-40171

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 8941 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
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III. Intelligence Information for CVE-2023-40171

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Patches & Fixes for CVE-2023-40171 (3)

Vendor Advisories for CVE-2023-40171 (1)

IV. Related Vulnerabilities

Same product: dispatch
Same vendor: Netflix
Same weakness: CWE-209

V. Comments for CVE-2023-40171

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