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CVE-2026-48168— PraisonAI: GitHub Actions Claude workflow command injection via unquoted PR branch name

Quick assessment

Affected
MervinPraison PraisonAI
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.

Mervin Praison PraisonAI是Mervin Praison个人开发者开源的一个低代码多智能体协作框架。 Mervin Praison PraisonAI 4.6.40之前版本存在授权问题漏洞，该漏洞源于将攻击者控制的拉取请求分支名嵌入Bash run块中且未加引号或验证，导致命令注入，攻击者可利用@claude评论触发任务并执行任意shell代码，可能导致仓库写入、拉取请求和问题操作或OIDC令牌滥用。

CVSS 10.0 · Critical EPSS 0.91% · P58

Affected Version Matrix 1

VendorProduct Version RangeStatus
MervinPraison PraisonAI < 4.6.40 affected
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I. Basic Information for CVE-2026-48168

Vulnerability Information
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Vulnerability Title
PraisonAI: GitHub Actions Claude workflow command injection via unquoted PR branch name
Source: CVE Program / CVE List V5
Vulnerability Description
PraisonAI is a multi-agent teams system. In versions prior to 4.6.40, the bundled Claude GitHub Actions workflow is vulnerable to command injection because it embeds an attacker-controlled pull request branch name into a Bash run: block without quoting or validation. Additionally, the workflow allows any @claude comment to trigger the job regardless of whether the commenter is a trusted collaborator. An outside contributor can open a pull request from a fork whose branch name contains shell metacharacters and comment @claude, causing Bash to execute arbitrary shell code in the GitHub Actions runner. Because these commands run in a job holding a GitHub App token with write permissions, OIDC access, and gh/git access, the injection can be chained through $GITHUB_PATH to compromise later privileged steps, enabling repository writes, pull request and issue manipulation, or OIDC-token abuse. This issue has been fixed in version 4.6.40.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Mervin Praison PraisonAI 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mervin Praison PraisonAI是Mervin Praison个人开发者开源的一个低代码多智能体协作框架。 Mervin Praison PraisonAI 4.6.40之前版本存在授权问题漏洞，该漏洞源于将攻击者控制的拉取请求分支名嵌入Bash run块中且未加引号或验证，导致命令注入，攻击者可利用@claude评论触发任务并执行任意shell代码，可能导致仓库写入、拉取请求和问题操作或OIDC令牌滥用。
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
MervinPraison PraisonAI < 4.6.40 -

II. Public POCs for CVE-2026-48168

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 7346 chars
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III. Intelligence Information for CVE-2026-48168

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Vendor Advisories for CVE-2026-48168 (1)

Same Patch Batch · MervinPraison · 2026-08-05 · 4 CVEs total

CVE-2026-55522 7.8 HIGH PraisonAI workflow include bypasses tools.py autoload opt-in and executes included recipe
CVE-2026-55523 7.7 HIGH PraisonAI has a`web_crawl` SSRF protection bypass via unchecked redirect targets
CVE-2026-55524 7.5 HIGH PraisonAI: SSRF in web_crawl tool via redirect-following and DNS rebinding (validate-then-

IV. Related Vulnerabilities

Same product: PraisonAI
Same vendor: MervinPraison
Same weakness: CWE-862

V. Comments for CVE-2026-48168

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