CVE-2026-27640 tfplan2md has Sensitive Value Exposure in Generated Reports
Attackers can view sensitive values in generated Markdown reports because tfplan2md fails to mask them correctly.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-27640?
CVE-2026-27640 is a high-severity vulnerability in oocx tfplan2md, published on 25 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
tfplan2md is software for converting Terraform plan JSON files into human-readable Markdown reports. Prior to version 1.26.1, a bug in tfplan2md affected several distinct rendering paths: AzApi resource body properties, AzureDevOps variable groups, Scriban template context variables, and hierarchical sensitivity detection. This caused reports to render values that should have been masked as "(sensitive)" instead. This issue is fixed in v1.26.1. No known workarounds are available.
Weakness: CWE-212
Which versions are affected by CVE-2026-27640?
It affects 1 product.
Products include Oocx Tfplan2md.
How do I fix CVE-2026-27640?
No fix has been published for CVE-2026-27640 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-27640 being exploited?
There is no known exploitation of CVE-2026-27640 in the wild and no public exploit code.
Sources
Also known as GHSA-5j8r-g94q-2f39.