CVE-2026-48168

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.

• CWE-862

• https://github.com/MervinPraison/PraisonAI/commit/179cab02dbec0c1e9b601507a659
• https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-xp85-6wwf-r67c
• https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-xp85-6wwf-r67c

Published

Aug 5, 2026

Last Modified

Aug 5, 2026

Status

Received

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