CVE-2026-87993 Consul-template vulnerable to an information disclosure issue in error handling
High 7.7
Published
Updated
Check this codebase for CVE-2026-87993 and fix it if it is affected.
What it is: CVE-2026-87993 is a high-severity vulnerability in HashiCorp Tooling, published on 10 Sep 2026.
Exploitation: There is no known exploitation of CVE-2026-87993 in the wild and no public exploit code.
Affected packages and fixed versions:
- consul (Bitnami): affected from 0.27.2; fixed in 0.43.0
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2026-87993/ (Markdown: https://insights.sbomify.com/CVE-2026-87993/index.md)
- Exploited in the wild
- Not known
- Fix
- Available
What is CVE-2026-87993?
CVE-2026-87993 is a high-severity vulnerability in HashiCorp Tooling, published on 10 Sep 2026.
Official description
The consul-template library is vulnerable to an information disclosure issue in its error handling path that may allow Vault secret values to appear in template error messages, log output, and downstream surfaces such as Nomad task events. This vulnerability (CVE-2026-87993) is fixed in consul-template 0.43.0.
Weakness: CWE-532
Which versions are affected by CVE-2026-87993?
1 open source package ship an affected version, including consul.
| Package | Affected | Fixed in |
|---|---|---|
consul Bitnami | From 0.27.2 | 0.43.0 |
How do I fix CVE-2026-87993?
Upgrade consul to 0.43.0 or later.
Is CVE-2026-87993 being exploited?
There is no known exploitation of CVE-2026-87993 in the wild and no public exploit code.
Sources
Also known as BIT-consul-2026-87993, GHSA-h4cr-56m4-rqc8.