ToolJet up to 3.20.179 Render Preview comment.body os command injection

Summaryinfo

A vulnerability identified as very critical has been detected in ToolJet up to 3.20.179. Affected is an unknown function of the component Render Preview. This manipulation of the argument comment.body causes os command injection. This vulnerability appears as CVE-2026-54344. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability classified as very critical was found in ToolJet up to 3.20.179. Affected by this vulnerability is some unknown functionality of the component Render Preview. The manipulation of the argument comment.body with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

ToolJet is an open-source low-code platform for building internal tools. Prior to 3.20.180, ToolJet's render preview deployment workflow interpolates github.event.comment.body directly into a bash conditional in a run step, allowing any GitHub user who can comment on an open pull request with a deploy command to execute shell commands on the CI runner and exfiltrate deployment secrets. This issue is reported as fixed in version 3.20.180.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-54344 since 06/12/2026. The exploitation appears to be easy. The attack can be launched remotely. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/08/2026). The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

Upgrading to version 3.20.180 eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

• ToolJet

Version

• 3.20.179

Website

• Product: https://github.com/ToolJet/ToolJet/

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

Discussion