PatchSiren cyber security CVE debrief
CVE-2026-44454 coder CVE debrief
CVE-2026-44454 is a high-severity vulnerability in Coder, a tool for provisioning remote development environments via Terraform. The vulnerability exists in the dotfiles registry module, where unsanitized user input was passed to shell commands, allowing for arbitrary code execution within a provisioned workspace. An attacker could exploit this by crafting a malicious dotfiles URI, potentially leading to command execution in the workspace. This vulnerability was addressed in versions 2.29.7 and 2.30.2 of Coder, where input validation was added to reject URIs and usernames containing special characters, and unsafe eval/sh -c usage was removed.
- Vendor
- coder
- Product
- Unknown
- CVSS
- HIGH 8.1
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-07-07
- Original CVE updated
- 2026-07-07
- Advisory published
- 2026-07-07
- Advisory updated
- 2026-07-07
Who should care
Users of Coder versions prior to 2.29.7 and 2.30.2 should be aware of this vulnerability and take immediate action to update their installations. Additionally, organizations using Coder for remote development environment provisioning should review their configurations and ensure that input validation is properly implemented.
Technical summary
The CVE-2026-44454 vulnerability in Coder arises from the dotfiles registry module's failure to properly sanitize user input. This allowed attackers to inject arbitrary shell commands, potentially leading to code execution within the workspace. The vulnerability was mitigated by adding input validation in versions 2.29.7 and 2.30.2, rejecting URIs and usernames with special characters and removing unsafe eval/sh -c usage.
Defensive priority
High
Recommended defensive actions
- Update Coder to version 2.29.7 or 2.30.2
- Review and validate user input for dotfiles URIs
- Implement additional security measures to monitor and restrict shell commands
- Conduct regular security audits and vulnerability assessments
- Review compensating controls for exposed systems while remediation is scheduled and verified
- Check relevant monitoring, detection, and logs for exposed assets that need extra review
- Track exceptions, retest remediated assets, and close the item only after evidence is documented
Evidence notes
The CVE-2026-44454 vulnerability was publicly disclosed on July 7, 2026. The NVD entry for this vulnerability was last modified on July 7, 2026. The vulnerability has a CVSS score of 8.1 and is classified as HIGH severity.
Official resources
AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-07T21:17:25.180Z and has not been modified since then.